10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

____________________________________________

FORM 10-Q

____________________________________________

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Quarterly Period ended December 31, 2016

Or

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For transition period from              to             

Commission File Number 001-35871

Westbury Bancorp, Inc.

(Exact Name of Registrant as Specified in Charter)

____________________________________________

Maryland	46-1834307
(State or Other Jurisdiction of Incorporation)	(I.R.S. Employer Identification Number)
200 South Main Street, West Bend, Wisconsin	53095
(Address of Principal Executive Officers)	(Zip Code)

(262) 334-5563

Registrant’s telephone number, including area code

Not Applicable

(Former name, former address and former fiscal year, if changed since last report)

____________________________________________

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes  x  No  o.

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes  x  No  o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer, or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer	¨	Accelerated filer	¨
Non-accelerated filer	¨	Smaller reporting company	x

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes  o  No  x

Indicate the number of shares outstanding of each of the Issuer’s classes of common stock as of the latest practicable date.

There were 4,072,892 shares of Common Stock, par value $.01 per share, outstanding as of January 24, 2017.

WESTBURY BANCORP, INC.

Form 10-Q Quarterly Report 

Table of Contents 

PART I  FINANCIAL INFORMATION
ITEM 1. FINANCIAL STATEMENTS	2
ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	36
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	48
ITEM 4. CONTROLS AND PROCEDURES	48
PART II  OTHER INFORMATION
ITEM 1. LEGAL PROCEEDINGS	49
ITEM 1A. RISK FACTORS	49
ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	49
ITEM 3. DEFAULTS UPON SENIOR SECURITIES	49
ITEM 4. MINE SAFETY DISCLOSURES	49
ITEM 5. OTHER INFORMATION	50
ITEM 6. EXHIBITS	50
INDEX TO EXHIBITS	52

PART I

ITEM 1.FINANCIAL STATEMENTS

Westbury Bancorp, Inc. and Subsidiary

Consolidated Balance Sheets

December 31, 2016 and September 30, 2016

(In Thousands, except share data)

	December 31, 2016			September 30, 2016
	(Unaudited)
Assets
Cash and due from banks	$	28,945		$	19,125
Interest-earning deposits	13,051			10,488
Cash and cash equivalents	41,996			29,613
Securities available-for-sale	101,997			93,772
Securities held to maturity, at amortized cost ($2,316 and $2,392 fair value at December 31, 2016 and September 30, 2016, respectively)	2,293			2,293
Loans held for sale, at lower of cost or fair value	1,156			1,881
Loans, net of allowance for loan losses of $5,451 and $5,244 at December 31, 2016 and September 30, 2016, respectively	543,220			533,759
Federal Home Loan Bank stock, at cost	1,330			1,330
Foreclosed real estate	—			99
Office properties and equipment, net	15,508			15,410
Cash surrender value of bank-owned life insurance	14,347			14,233
Mortgage servicing rights	841			800
Deferred tax asset	6,210			5,425
Other assets	4,098			4,010
Total assets	$	732,996		$	702,625
Liabilities and Stockholders’ Equity
Liabilities
Deposits	$	629,852		$	591,977
Long-term advances from Federal Home Loan Bank	20,000			20,000
Advance payments by borrowers for property taxes and insurance	550			5,455
Other liabilities	4,282			5,564
Total liabilities	654,684			622,996
Stockholders’ Equity
Preferred stock $0.01 par value, 50,000,000 shares authorized; none issued or outstanding	—			—
Common stock $0.01 par value, 100,000,000 shares authorized; 5,350,863 and 5,347,641 shares issued at December 31, 2016 and September 30, 2016, respectively	54			54
Additional paid-in capital	51,765			51,463
Retained earnings	52,932			52,185
Unearned Employee Stock Ownership Plan (ESOP) shares	(3,085		)	(3,188		)
Accumulated other comprehensive gain (loss)	(1,290		)	561
Less common stock repurchased, 1,278,323 and 1,249,123 shares at cost, at December 31, 2016 and September 30, 2016, respectively	(22,064		)	(21,446		)
Total stockholders’ equity	78,312			79,629
Total liabilities and stockholders’ equity	$	732,996		$	702,625

See Notes to Unaudited Consolidated Financial Statements.

2

Westbury Bancorp, Inc and Subsidiary
Consolidated Statements of Operations
Three Months Ended December 31, 2016 and 2015 (Unaudited)
(In Thousands, except per share data)
	Three Months Ended   December 31,
	2016		2015
Interest and dividend income:
Loans	$	5,396	$	5,117
Investments - nontaxable	128		29
Investments - taxable	364		423
Interest bearing deposits	36		26
Total interest and dividend income	5,924		5,595
Interest expense:
Deposits	667		558
Short-term advances from the Federal Home Loan Bank	—		8
Long-term advances from the Federal Home Loan Bank	50		24
Total interest expense	717		590
Net interest income before provision for loan losses	5,207		5,005
Provision for loan losses	200		150
Net interest income after provision for loan losses	5,007		4,855
Noninterest income:
Service fees on deposit accounts	989		1,078
Gain on sales of loans, net	215		127
Servicing fee income, net of amortization and impairment	125		37
Insurance and securities sales commissions	43		73
Gain on sales of securities	4		2
Increase in cash surrender value of bank-owned life insurance	114		110
Rental income from real estate operations	103		113
Other income	75		131
Total noninterest income	1,668		1,671
Noninterest expenses:
Compensation and employee benefits	2,942		2,364
Occupancy, furniture and equipment	536		419
Data processing	806		747
Accounting, legal and other professional fees	293		268
FDIC insurance premiums	102		104
Other expenses	840		949
Total noninterest expenses	5,519		4,851
Income before income tax expense	1,156		1,675
Income tax expense	409		636
Net income	$	747	$	1,039
Earnings per share:
Basic	$	0.20	$	0.27
Diluted	$	0.20	$	0.27

See Notes to Unaudited Consolidated Financial Statements.

3

Westbury Bancorp, Inc. and Subsidiary

Consolidated Statements of Comprehensive Income (Loss)

Three Months Ended December 31, 2016 and 2015

(Unaudited)

(In Thousands)

	Three Months Ended   December 31,
	2016			2015
Net income	$	747		$	1,039
Other comprehensive income, before tax:
Unrealized loss on available-for-sale securities	(3,042		)	(969		)
Reclassification adjustment for realized gains included in net income	(4		)	(2		)
Other comprehensive loss, before tax	(3,046		)	(971		)
Income tax benefit related to items of other comprehensive loss	1,195			381
Other comprehensive loss, net of tax	(1,851		)	(590		)
Comprehensive income (loss)	$	(1,104	)	$	449

See Notes to Unaudited Consolidated Financial Statements.

4

Westbury Bancorp, Inc. and Subsidiary

Consolidated Statements of Changes in Stockholders’ Equity

Three Months Ended December 31, 2016 and 2015

(Unaudited)

(In Thousands, except share data)

	Preferred Stock		Common Stock		Additional Paid In Capital		Retained Earnings		Unearned ESOP Shares			Accumulated Other Comprehensive Income (Loss)			Common Stock Repurchased			Total
Balance, September 30, 2016	$	—	$	54	$	51,463	$	52,185	$	(3,188	)	$	561		$	(21,446	)	$	79,629
Net income	—		—		—		747		—			—			—			747
Other comprehensive loss, net of tax	—		—		—		—		—			(1,851		)	—			(1,851		)
Repurchase of 29,200 common stock shares	—		—		—		—		—			—			(618		)	(618		)
Stock based compensation expense	—		—		198		—		—			—			—			198
Allocation, or commitment to be allocated, of 10,285 shares by ESOP	—		—		104		—		103			—			—			207
Balance, December 31, 2016	$	—	$	54	$	51,765	$	52,932	$	(3,085	)	$	(1,290	)	$	(22,064	)	$	78,312
Balance, September 30, 2015	$	—	$	53	$	50,145	$	48,714	$	(3,548	)	$	352		$	(16,904	)	$	78,812
Net income	—		—		—		1,039		—			—			—			1,039
Other comprehensive loss, net of tax	—		—		—		—		—			(590		)	—			(590		)
Repurchase of 25,913 common stock shares	—		—		—		—		—			—			(506		)	(506		)
Exercise of 4,298 stock options	—		—		64		—		—			—			—			64
Stock based compensation expense	—		—		208		—		—			—			—			208
Allocation,or commitment to be allocated, of 5,142 shares by ESOP	—		—		40		—		51			—			—			91
Balance, December 31, 2015	$	—	$	53	$	50,457	$	49,753	$	(3,497	)	$	(238	)	$	(17,410	)	$	79,118

See Notes to Unaudited Consolidated Financial Statements.

5

Westbury Bancorp, Inc. and Subsidiary
Consolidated Statements of Cash Flows
Three Months Ended December 31, 2016 and 2015 (Unaudited)
(In Thousands)
	Three Months Ended   December 31,
	2016			2015
Cash Flows From Operating Activities
Net income	$	747		$	1,039
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	200			150
Depreciation and amortization	123			192
Depreciation on real estate held for investment	—			22
Net amortization of securities premiums and discounts	212			120
Amortization and impairment of mortgage servicing rights	(41		)	74
Gain on sales of available-for-sale securities	(4		)	(2		)
Write-down of real estate held-for-sale	—			47
(Gain) loss on sale of foreclosed real estate	3			(20		)
Write-down of foreclosed real estate	9			26
Loans originated for sale	(12,092		)	(8,957		)
Proceeds from sale of loans	13,032			8,542
Gain on sale of loans, net	(215		)	(127		)
ESOP compensation expense	207			91
Stock based compensation expense	198			208
Deferred income taxes	410			636
Increase in cash surrender value of life insurance	(114		)	(110		)
Net change in:
Other assets	(88		)	(391		)
Other liabilities and advance payments by borrowers for property taxes and insurance	(6,187		)	(6,282		)
Net cash used in operating activities	(3,600		)	(4,742		)
Cash Flows From Investing Activities
Purchases of securities available-for-sale	(15,226		)	(12,375		)
Proceeds from sales of securities available-for-sale	829			5,219
Proceeds from maturities, prepayments, and calls of securities available-for-sale	2,918			2,116
Net increase in loans	(9,661		)	(3,270		)
Purchase of bank-owned life insurance	—			(637		)
Purchases of office properties and equipment	(221		)	(57		)
Proceeds from sales of real estate held-for-sale	—			27
Proceeds from sales of foreclosed real estate	87			109
Net cash used in investing activities	(21,274		)	(8,868		)
Cash Flows From Financing Activities
Net increase in deposits	37,875			25,124
Proceeds from long-term Federal Home Loan Bank advances	—			10,000
Net proceeds of short-term Federal Home Loan Bank advances	—			2,500
Proceeds from exercise of stock options	—			64
Repurchase of common stock	(618		)	(506		)
Net cash provided by financing activities	37,257			37,182
Net increase in cash and cash equivalents	12,383			23,572
Cash and cash equivalents at beginning of period	29,613			16,488
Cash and cash equivalents at end of period	$	41,996		$	40,060
Supplemental Disclosures of Cash Flow Information
Interest paid (including amounts credited to deposits)	$	715		$	589

See Notes to Unaudited Consolidated Financial Statements.

6

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Note 1.Basis of Presentation

 The accompanying unaudited consolidated financial statements of Westbury Bancorp, Inc. and its wholly-owned subsidiary, Westbury Bank, (the "Bank", and collectively, the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 8-03 of Regulation S-X.  Accordingly, certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Estimates used in the preparation of the financial statements are based on various factors including the current interest rate environment and the general strength of the local economy.  Changes in the overall interest rate environment can significantly affect the Company’s net interest income and the value of its recorded assets and liabilities.  Actual results could differ from those estimates used in the preparation of the financial statements.  Certain prior period amounts have been reclassified to conform to current period presentation.  These reclassifications did not result in any changes to previously reported net income or stockholders’ equity.

In the opinion of management, the accompanying unaudited financial statements contain all adjustments (consisting only of normal recurring accruals) necessary to present fairly the Company’s financial condition as of December 31, 2016 and September 30, 2016 and the results of operations and cash flows for the interim periods ended December 31, 2016 and 2015.  All interim amounts are unaudited, and the results of operations for the interim periods herein are not necessarily indicative of the results of operations to be expected for the year.  These financial statements should be read in conjunction with the Company’s audited financial statements and notes thereto for the year ended September 30, 2016 filed with the U.S. Securities and Exchange Commission as part of Westbury Bancorp, Inc.’s Annual Report on Form 10-K for the year ended September 30, 2016.

The Jumpstart Our Business Startups Act (the "JOBS Act"), which was signed into law on April 5, 2012, made numerous changes to the federal securities laws to facilitate access to capital markets. Under the JOBS Act, a company with total annual gross revenues of less than $1.0 billion during its most recently completed fiscal year qualifies as an “emerging growth company.” The Company qualifies as an “emerging growth company” and believes that it will continue to qualify as an “emerging growth company” until five years from the completion of the Company's initial public stock offering in April 2013.

As an “emerging growth company,” the Company has elected to use the extended transition period to delay adoption of new or revised accounting pronouncements applicable to public companies until such pronouncements are made applicable to private companies. Accordingly, the financial statements may not be comparable to the financial statements of companies that comply with such new or revised accounting standards.

Note 2.Recent Accounting Developments

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). ASU 2014-09 is intended to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP. ASU 2014-09 is effective for annual reporting periods beginning after December 15, 2018 and interim periods within annual periods beginning after December 15, 2019. Adoption by the Company is not expected to have a material impact on the consolidated financial statements and related disclosures.

In January 2016, the FASB issued ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities. ASU 2016-01 is intended to enhance the reporting model for financial instruments to provide users of financial statements with more decision-useful information. ASU 2016-01 is effective for annual periods beginning after December 15, 2018, and interim periods within those annual periods beginning after December 15, 2019. Adoption by the Company is not expected to have a material impact on the consolidated financial statements and related disclosures.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). ASU 2016-02 is intended to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key

7

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

information about leasing arrangements. ASU 2016-02 is effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. The Company is evaluating the potential impact of ASU 2016-02 on the consolidated financial statements and related disclosures.

In March 2016, the FASB issued ASU 2016-09, Compensation - Stock Compensation (Topic 718). ASU 2016-09 is intended to simplify the accounting for share-based payment transactions, including income tax consequences, classification of awards as either assets or liabilities and classification on the statement of cash flows. ASU 2016-09 is effective for annual periods beginning after December 15, 2017 and interim periods within annual periods beginning after December 15, 2018. Early adoption is permitted. Adoption by the Company is not expected to have a material impact on the consolidated financial statements and related disclosures.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326). ASU 2016-13 is intended to provide financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity. ASU 2016-13 replaces the "incurred loss impairment methodology" with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. ASU 2016-13 is effective for annual periods and interim periods within those annual periods beginning after December 15, 2019. The Company is evaluating the potential impact of ASU 2016-13 on the consolidated financial statements and related disclosures.

Note 3.Earnings Per Share

Earnings per common share is computed using the two-class method. Basic earnings per common share is computed by dividing net income by the weighted-average number of common shares outstanding, adjusted for weighted average unallocated ESOP shares, during the applicable period, excluding outstanding participating securities. Participating securities include non-vested restricted stock awards to the extent holders of these securities are entitled to receive non-forfeitable dividends or dividend equivalents at the same rate as holders of the Company's common stock. Diluted earnings per share is computed using the weighted-average number of shares determined for the basic earnings per common share computation plus the dilutive effect of stock compensation using the treasury stock method.

8

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

The following table presents a reconciliation of the number of shares used in the calculation of basic and diluted earnings per common share (in thousands, except share and per share data).

	Three Months Ended December 31,
	2016			2015
Net income	$	747		$	1,039
Basic potential common shares:
Weighted average shares outstanding	3,976,765			4,166,780
Weighted average unallocated ESOP shares	(315,414		)	(353,122		)
Basic weighted average shares outstanding	3,661,351			3,813,658
Dilutive effect of equity awards	78,082			30,274
Diluted weighted average shares outstanding	3,739,433			3,843,932
Basic income per share	$	0.20		$	0.27
Diluted income per share	$	0.20		$	0.27

9

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Note 4.Investment Securities

The amortized cost and fair value of investment securities are summarized as follows:

	December 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale
U.S. Government and agency securities	$	25	$	—	$	—		$	25
U.S. Government agency residential mortgage-backed securities	45,355		94		(933		)	44,516
U.S. Government agency collateralized mortgage obligations	4,088		3		(126		)	3,965
U.S. Government agency commercial mortgage-backed securities	13,839		19		(48		)	13,810
Municipal securities-tax exempt	28,068		4		(1,079		)	26,993
Municipal securities-taxable	12,745		29		(86		)	12,688
Total Available for Sale	104,120		149		(2,272		)	101,997
Held to Maturity
Municipal securities-tax exempt	2,293		25		(2		)	2,316
Total Investment Securities	$	106,413	$	174	$	(2,274	)	$	104,313
	September 30, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale
U.S. Government and agency securities	$	24	$	1	$	—		$	25
U.S. Government agency residential mortgage-backed securities	40,289		504		(43		)	40,750
U.S. Government agency collateralized mortgage obligations	2,674		24		(18		)	2,680
U.S. Government agency commercial mortgage-backed securities	11,376		150		—			11,526
Municipal securities-tax exempt	25,730		51		(99		)	25,682
Municipal securities-taxable	12,756		358		(5		)	13,109
Total Available for Sale	92,849		1,088		(165		)	93,772
Held to Maturity
Municipal securities-tax exempt	2,293		99		—			2,392
Total Investment Securities	$	95,142	$	1,187	$	(165	)	$	96,164

10

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

The amortized cost and fair value of investment securities, by contractual maturity, at December 31, 2016 are shown in the following table.  Actual maturities differ from contractual maturities for mortgage-backed securities and collateralized mortgage obligations because the mortgages underlying the securities may be called or repaid without penalty.  Therefore, these securities are not presented in the maturity categories in the table below.

	December 31, 2016
	Amortized Cost		Fair Value
Available for sale:
Due in one year or less	$	563	$	564
Due after one year through five years	12,880		12,766
Due after five years through ten years	21,607		20,830
Due after ten years	5,788		5,546
U.S. Government agency residential mortgage-backed securities	45,355		44,516
U.S. Government agency collateralized mortgage obligations	4,088		3,965
U.S. Government agency commercial mortgage-backed securities	13,839		13,810
	104,120		101,997
Held to maturity:
Due in one year or less	168		168
Due after one year through five years	703		701
Due after five years through ten years	982		999
Due after ten years	440		448
	2,293		2,316
Total	$	106,413	$	104,313

Proceeds from sales of securities available for sale during the three months ended December 31, 2016 and 2015, were $829 and $5,219, respectively. Gross realized gains, during the three months ended December 31, 2016 and 2015, on these sales amounted to $4 and $12, respectively. Gross realized losses on these sales were $0 and $10, during the three months ended December 31, 2016 and 2015, respectively.

Securities with carrying values of $28,434 and $24,364 at December 31, 2016 and September 30, 2016, respectively, were pledged for purposes required or permitted by law.

11

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Information pertaining to securities with gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, are summarized as follows:

	December 31, 2016
	Less than 12 Months					12 Months or Longer					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government and agency securities	$	—	$	—		$	—	$	—		$	—	$	—
U.S. Government agency residential mortgage-backed securities	34,517		(870		)	2,868		(63		)	37,385		(933		)
U.S. Government agency collateralized mortgage obligations	2,511		(91		)	523		(35		)	3,034		(126		)
U.S Government agency commercial mortgage-backed securities	9,965		(48		)	—		—			9,965		(48		)
Municipal securities-tax exempt	26,382		(1,079		)	—		—			26,382		(1,079		)
Municipal securities-taxable	8,658		(86		)	—		—			8,658		(86		)
Total Available for Sale	$	82,033	$	(2,174	)	$	3,391	$	(98	)	$	85,424	$	(2,272	)
Held to Maturity
Municipal securities-tax exempt	688		(2		)	—		—			688		(2		)
Total Investment Securities	$	82,721	$	(2,176	)	$	3,391	$	(98	)	$	86,112	$	(2,274	)

	September 30, 2016
	Less than 12 Months					12 Months or Longer					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government and agency securities	$	—	$	—		$	—	$	—		$	—	$	—
U.S. Government agency residential mortgage-backed securities	2,726		(5		)	3,020		(38		)	5,746		(43		)
U.S. Government agency collateralized mortgage obligations	—		—			576		(18		)	576		(18		)
U.S. Government agency commercial mortgage-backed securities	—		—			—		—			—		—
Municipal securities-tax exempt	18,314		(99		)	—		—			18,314		(99		)
Municipal securities-taxable	550		(5		)	—		—			550		(5		)
Total Available for Sale	$	21,590	$	(109	)	$	3,596	$	(56	)	$	25,186	$	(165	)
Held to Maturity
Municipal securities-tax exempt	—		—			—		—			—		—
Total Investment Securities	$	21,590	$	(109	)	$	3,596	$	(56	)	$	25,186	$	(165	)

At December 31, 2016, the investment portfolio included 5 securities available-for-sale which had been in an unrealized loss position for greater than twelve months and 148 securities available-for-sale and 4 securities held-to-maturity, which had been in an unrealized loss position for less than twelve months. At September 30, 2016, the investment portfolio included 5 securities available-for-sale, which had been in an unrealized loss position for greater than twelve months, and 58 securities available-for-sale, which had been in an unrealized loss position for less than twelve months.

These securities are considered to be acceptable credit risks. Based upon an evaluation of the available evidence, including recent changes in market rates, credit rating information and information obtained from regulatory filings, management believes the decline in fair value for these securities is temporary. In addition, the Company does not intend to sell these investment securities for a period of time sufficient to allow for anticipated recovery. The Company does not have any current requirement to sell its investment in the issuer prior to any anticipated recovery in fair value.

12

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

13

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Note 5.Loans

A summary of the balances of loans as of the dates indicated follows:

	December 31, 2016		September 30, 2016
Real estate:
Single family	$	152,391	$	158,541
Multifamily	115,946		123,623
Commercial real estate non-owner occupied	127,574		117,971
Commercial real estate owner occupied	69,973		63,108
Construction and land development	19,195		16,230
Total real estate	485,079		479,473
Commercial business	45,025		40,836
Consumer:
Home equity lines of credit	14,906		14,969
Education	3,280		3,401
Other	480		462
Total consumer	18,666		18,832
Total loans	548,770		539,141
Less:
Net deferred loan fees	99		138
Allowance for loan losses	5,451		5,244
Net loans	$	543,220	$	533,759

The following tables present the contractual aging of the Company's recorded investment in past due loans by class of loans as of December 31, 2016 and September 30, 2016:

December 31, 2016	Current		30-59 Days Past Due		60-89 Days Past Due		Loans Past Due 90 Days or More		Total
Single family	$	151,010	$	655	$	400	$	326	$	152,391
Multifamily	115,930		16		—		—		115,946
Commercial real estate non-owner occupied	127,574		—		—		—		127,574
Commercial real estate owner occupied	69,973		—		—		—		69,973
Construction and land development	19,195		—		—		—		19,195
Commercial business	45,025		—		—		—		45,025
Consumer and other:
Home equity lines of credit	14,879		—		—		27		14,906
Education	3,023		107		12		138		3,280
Other	480		—		—		—		480
	$	547,089	$	778	$	412	$	491	$	548,770

14

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

September 30, 2016	Current		30-59 Days Past Due		60-89 Days Past Due		Loans Past Due 90 Days or More		Total
Single family	$	157,803	$	239	$	426	$	73	$	158,541
Multifamily	123,623		—		—		—		123,623
Commercial real estate non-owner occupied	117,971		—		—		—		117,971
Commercial real estate owner occupied	63,108		—		—		—		63,108
Construction and land development	16,230		—		—		—		16,230
Commercial business	40,836		—		—		—		40,836
Consumer and other:
Home equity lines of credit	14,942		—		—		27		14,969
Education	3,202		11		39		149		3,401
Other	462		—		—		—		462
	$	538,177	$	250	$	465	$	249	$	539,141

There were no loans past due ninety days or more and still accruing interest as of December 31, 2016 and September 30, 2016.

The following table presents the recorded investment in nonaccrual loans by class of loans as of December 31, 2016 and September 30, 2016:

	December 31, 2016		September 30, 2016
Single family	$	518	$	338
Multifamily	—		—
Commercial real estate non-owner occupied	—		—
Commercial real estate owner occupied	—		—
Construction and land development	—		—
Commercial business	—		—
Consumer and other:
Home equity lines of credit	35		36
Education	150		188
Other	—		—
	$	703	$	562

As part of the on-going monitoring of the credit quality of the Company’s loan portfolio, management categorizes loans into risk categories based on relevant information about the ability of the borrowers to service their debt and comply with various terms of their underlying loan agreements.  The Company considers current financial information, historical payment experience, credit documentation, public information and current economic trends when catgorizing its loans into risk categories.  Generally, all sizable credits receive a financial review no less than annually to monitor and adjust, if necessary, the credit’s risk profile.  Credits classified as special mention, substandard or doubtful generally receive a review quarterly.

The Company categorizes loans into the following risk categories based on relevant information about the ability of borrowers to service their debt:

Pass — A pass asset is well protected by the current worth and paying capacity of the obligor (or guarantors, if any) or by the fair value, less costs to acquire and sell in a timely manner, of any underlying collateral.

Watch — A watch asset has potential weaknesses that deserve management’s close attention.  If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the Company’s credit position at

15

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

some future date. Watch assets are not adversely classified and do not expose the Company to sufficient risk to warrant further classification.

Special Mention — A special mention asset has characteristics of deterioration in quality exhibited by any number of well-defined weaknesses requiring significant corrective action.  The repayment ability of the borrower has not been validated, or has become marginal or weak, and the loan may have exhibited some overdue payments or payment extensions and/or renewals.

Substandard — A substandard asset is an asset with a well-defined weakness that jeopardizes repayment, in whole or in part, of the debt.  These credits are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged.  These assets are characterized by the distinct possibility that the Company will or has sustained some loss of principal and/or interest if the deficiencies are not corrected.

Doubtful — A doubtful asset is an asset that has all the weaknesses inherent in the substandard classification with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable.  These credits have a high probability for loss, yet because certain important and reasonably specific pending factors may work toward the strengthening of the asset, its classification of loss is deferred until its more exact status can be determined.

Homogeneous loan types are assessed for credit quality based on the contractual aging status of the loan and payment activity.  In certain cases, based upon payment performance, the loan being related with another commercial type loan or for other reasons, a loan may be categorized into one of the risk categories noted above.  Such assessment is completed at the end of each reporting period.

The following tables present the risk category of loans evaluated by internal asset classification based on the most recent analysis performed and the contractual aging of our loan portfolio as of December 31, 2016 and September 30, 2016:

December 31, 2016	Pass		Watch		Special Mention		Substandard		Doubtful		Total
Single family	$	149,654	$	739	$	—	$	1,998	$	—	$	152,391
Multifamily	114,224		1,722		—		—		—		115,946
Commercial real estate non-owner occupied	126,499		1,075		—		—		—		127,574
Commercial real estate owner occupied	66,899		2,238		—		836		—		69,973
Construction and land development	19,194		—		—		1		—		19,195
Commercial business	35,607		8,884		—		534		—		45,025
Consumer and other:
Home equity lines of credit	14,812		—		—		94		—		14,906
Education	3,280		—		—		—		—		3,280
Other	480		—		—		—		—		480
Total	$	530,649	$	14,658	$	—	$	3,463	$	—	$	548,770

16

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

September 30, 2016	Pass		Watch		Special Mention		Substandard		Doubtful		Total
Single family	$	156,042	$	744	$	—	$	1,755	$	—	$	158,541
Multifamily	121,878		1,745		—		—		—		123,623
Commercial real estate non-owner occupied	116,880		695		396		—		—		117,971
Commercial real estate owner occupied	59,993		3,115		—		—		—		63,108
Construction and land development	16,228		—		—		2		—		16,230
Commercial business	31,677		8,945		214		—		—		40,836
Consumer and other:
Home equity lines of credit	14,874		—		—		95		—		14,969
Education	3,401		—		—		—		—		3,401
Other	462		—		—		—		—		462
	$	521,435	$	15,244	$	610	$	1,852	$	—	$	539,141

17

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

The following tables provide additional detail of the activity in the allowance for loan losses, by portfolio segment, for the three months ended December 31, 2016 and 2015:

Three Months Ended December 31, 2016	Single Family			Multifamily			Commercial Real Estate - Non-owner Occupied		Commercial Real Estate - Owner-Occupied		Construction and Land  Development		Commercial Business		Consumer and Other			Total
Allowance for loan losses:
Beginning balance	$	980		$	1,015		$	1,519	$	813	$	344	$	500	$	73		$	5,244
Provision for loan losses	(57		)	(32		)	65		129		59		39		(3		)	200
Loans charged-off	—			—			—		—		—		—		—			—
Recoveries	—			—			—		—		—		5		2			7
Ending balance	$	923		$	983		$	1,584	$	942	$	403	$	544	$	72		$	5,451
Period-ended amount allocated for:
Individually evaluated for impairment	$	3		$	—		$	—	$	—	$	—	$	—	$	51		$	54
Collectively evaluated for impairment	920			983			1,584		942		403		544		21			5,397
Ending balance	$	923		$	983		$	1,584	$	942	$	403	$	544	$	72		$	5,451
Loans:
Individually evaluated for impairment	$	1,447		$	1,722		$	—	$	—	$	—	$	—	$	86		$	3,255
Collectively evaluated for impairment	150,944			114,224			127,574		69,973		19,195		45,025		18,580			545,515
Ending balance	$	152,391		$	115,946		$	127,574	$	69,973	$	19,195	$	45,025	$	18,666		$	548,770

Three Months Ended December 31, 2015	Single Family			Multifamily		Commercial Real Estate - Non-owner Occupied		Commercial Real Estate - Owner-Occupied		Construction and Land  Development		Commercial Business			Consumer and Other			Total
Allowance for loan losses:
Beginning balance	$	1,073		$	1,013	$	1,091	$	513	$	330	$	498		$	80		$	4,598
Provision for loan losses	(42		)	327		31		16		14		(200		)	4			150
Loans charged-off	—			—		—		—		—		—			(10		)	(10		)
Recoveries	—			—		—		1		—		4			4			9
Ending balance	$	1,031		$	1,340	$	1,122	$	530	$	344	$	302		$	78		$	4,747
Period-ended amount allocated for:
Individually evaluated for impairment	$	23		$	—	$	—	$	—	$	—	$	—		$	55		$	78
Collectively evaluated for impairment	1,008			1,340		1,122		530		344		302			23			4,669
Ending balance	$	1,031		$	1,340	$	1,122	$	530	$	344	$	302		$	78		$	4,747
Loans:
Individually evaluated for impairment	$	1,605		$	1,816	$	—	$	—	$	—	$	—		$	94		$	3,515
Collectively evaluated for impairment	149,385			116,873		112,482		51,033		17,163		31,866			19,277			498,079
Ending balance	$	150,990		$	118,689	$	112,482	$	51,033	$	17,163	$	31,866		$	19,371		$	501,594

18

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

 The following tables present additional detail of impaired loans, segregated by segment, as of and for the three month periods ended December 31, 2016 and 2015.  The unpaid principal balance represents the recorded balance prior to any partial charge-offs.  The recorded investment represents customer balances net of any partial charge-offs recognized on the loans by loan category.  The interest income recognized column represents all interest income on a loan reported on either a cash or accrual basis after the loan became impaired.

							Three months ended
December 31, 2016	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Single family	$	1,309	$	1,174	$	—	$	1,315	$	12
Multifamily	1,764		1,722		—		1,734		18
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	4		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	114		35		—		36		—
With an allowance recorded:
Single family	273		273		3		137		5
Multifamily	—		—		—		—		—
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	—		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	51		51		51		52		1
	$	3,515	$	3,255	$	54	$	3,274	$	36

							Three months ended
December 31, 2015	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Single family	$	1,338	$	1,194	$	—	$	1,189	$	14
Multifamily	1,889		1,816		—		1,824		19
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	—		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	117		39		—		105		—
With an allowance recorded:
Single family	411		411		23		412		3
Multifamily	—		—		—		—		—
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	—		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	55		55		55		55		1
	$	3,810	$	3,515	$	78	$	3,585	$	37

19

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

The following is a summary of troubled debt restructured loans (TDRs) at December 31, 2016 and September 30, 2016:

	December 31, 2016		September 30, 2016
Troubled debt restructurings - accrual	$	2,719	$	3,021
Troubled debt restructurings - nonaccrual	—		—
	$	2,719	$	3,021

Modifications of loan terms as a TDR are generally in the form of an extension of payment terms or a lowering of the interest rate, although occasionally the Bank has reduced the outstanding principal balance.

There were no loans modified as a TDR during the three months ended December 31, 2016 and 2015.

There were no re-defaults of TDRs that occurred during the three months ended December 31, 2016 and 2015.

Certain of the Bank’s directors and executive officers are loan customers of the Bank.  As of December 31, 2016 and September 30, 2016, loans of approximately $9,747 and $7,813, respectively, were outstanding to such parties.  These loans were made on substantially the same terms as those prevailing for comparable transactions with other persons and do not involve more than the normal risk of collectability.

An analysis of such loans is as follows:

	Three Months Ended December 31, 2016
Balance, beginning	$	7,813
New loans originated	2,468
Draws on lines of credit	29
Principal repayments	(563		)
Balance, ending	$	9,747

20

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Note 6.Deposits

The following table presents the composition of deposits as of:

	December 31, 2016				September 30, 2016
	Amount		Percent		Amount		Percent
Checking Accounts:
Noninterest bearing	$	127,670	20.27	%	$	111,841	18.89	%
Interest bearing	141,089		22.40	%	135,866		22.95	%
	268,759		42.67	%	247,707		41.84	%
Passbook and Statement Savings	134,214		21.31	%	133,155		22.50	%
Variable Rate Money Market Accounts	71,309		11.32	%	64,593		10.91	%
Certificates of Deposit	155,570		24.70	%	146,522		24.75	%
	$	629,852	100.00	%	$	591,977	100.00	%

Certificate accounts equal to or over one hundred thousand dollars totaled $97,293 and $89,588 as of December 31, 2016 and September 30, 2016, respectively. Of these amounts, $29,146 and $26,154 are equal to or greater than two hundred fifty thousand dollars as of December 31, 2016 and September 30, 2016, respectively.

Note 7.Regulatory Capital

The Bank is subject to capital requirements adopted by the Office of the Comptroller of the Currency ("OCC"). These requirements include a ratio for common equity Tier 1 ("CETI") capital, a leverage ratio and Tier 1 capital ratios and an additional capital conservation buffer over these required capital ratios. Failure to maintain the required capital conservation buffer limits the ability of the Bank to pay dividends, repurchase shares or pay discretionary bonuses. The Company is exempt from consolidated capital requirements as those requirements do not apply to certain small savings and loan holding companies with assets under $1 billion.

Under the capital regulations, the minimum capital ratios are: (1) CETI capital ratio of 4.5% of risk-weighted assets; (2) a Tier 1 capital ratio of 6.0% of risk-weighted assets; (3) a total capital ratio of 8.0% of risk-weighted assets; and (4) a leverage ratio of 4.0%. CETI generally consists of common stock and retained earnings, subject to applicable regulatory adjustments and deductions.

In addition to the minimum CETI, Tier 1 and total capital ratios, the Bank is required to maintain a capital conservation buffer consisting of additional CETI capital greater than 2.5% of risk-weighted assets above the required minimum levels in order to avoid limitations on paying dividends, engaging in share repurchases, and paying discretionary bonuses based on percentages of eligible retained income that could be utilized for such actions. This new capital conservation buffer requirement is being phased in for the Bank beginning in January 2016 at 0.625% of risk-weighted assets and increases by the same amount each year until fully implemented in January 2019.

The OCC's prompt corrective action standards changed effective January 1, 2015. Under the new standards, in order to be considered well-capitalized, the Bank must have a CETI ratio of 6.5%, a Tier 1 ratio of 8.0%, a total risk-based capital ratio of 10.0% and a leverage ratio of 5.0%. As of December 31, 2016 the Bank met all these requirements, including the full capital conservation buffer.

21

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

The Bank’s actual capital amounts and ratios and those required by the regulatory standards are presented in the following tables. We have included the 0.625% increase for 2016 in our minimum capital adequacy rations in the tables below.

At December 31, 2016	Actual				For Capital Adequacy Purposes Under Prompt Corrective Action Provisions				For Capital Adequacy Purposes with Capital Buffer				To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
CETI capital (to risk-weighted assets) - Westbury Bank	$	72,012	12.1	%	$	26,786	4.50	%	$	30,507	5.125	%	$	38,692	6.50	%
Tier 1 capital (to risk-weighted assets) - Westbury Bank	72,012		12.10	%	35,715		6.00	%	39,436		6.625	%	47,620		8.00	%
Total capital (to risk-weighted assets) - Westbury Bank	77,463		13.01	%	47,620		8.00	%	51,341		8.625	%	59,525		10.00	%
Leverage (to adjusted total assets) - Westbury Bank	72,012		10.17	%	28,323		4.00	%	N/A		N/A		35,404		5.00	%

At September 30, 2016	Actual				For Capital Adequacy Purposes Under Prompt Corrective Action Provisions				For Capital Adequacy Purposes with Capital Buffer				To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
CET1 capital (to risk-weighted assets) - Westbury Bank	$	71,383	12.61	%	$	25,472	4.50	%	$	29,010	5.125	%	$	36,793	6.50	%
Tier 1 capital (to risk-weighted assets) - Westbury Bank	71,383		12.61	%	33,963		6.00	%	37,500		6.625	%	45,283		8.00	%
Total capital (to risk-weighted assets) - Westbury Bank	76,627		13.54	%	45,283		8.00	%	48,821		8.625	%	56,604		10.00	%
Leverage (to adjusted total assets) - Westbury Bank	71,383		10.23	%	27,911		4.00	%	N/A		N/A		34,889		5.00	%

22

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

The following table reconciles the Bank’s stockholder's equity to regulatory capital as of December 31, 2016 and September 30, 2016:

	December 31, 2016			September 30, 2016
Stockholder's equity of the Bank	$	72,020		$	73,332
Less: Unrealized (gain) loss on securities	1,290			(561		)
Disallowed deferred tax assets	(1,298		)	(1,388		)
Tier 1, CETI and leverage capital	72,012			71,383
Plus: Allowable general valuation allowances	5,451			5,244
Total capital	$	77,463		$	76,627

Note 8.Commitments and Contingencies

The Company is a party to financial instruments with off-balance-sheet risk in the normal course of business to meet the financing needs of its customers.  These financial instruments include commitments to extend credit and involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the accompanying consolidated balance sheets.  The contractual amounts of those instruments reflect the extent of involvement the Company has in particular classes of financial instruments.

The Company’s exposure to credit loss in the event of nonperformance by the other party to the financial instruments for commitments to extend credit is represented by the contractual amount of those instruments.  The Company uses the same credit policies in making commitments and conditional obligations as it does for on-balance-sheet instruments.

The following off-balance sheet instruments were outstanding whose contract amounts represent credit risk:

	December 31, 2016		September 30, 2016
Commitments to extend commercial and residential mortgage credit:
Fixed rate	$	17,776	$	2,013
Adjustable rate	6,909		1,442
Unused commercial loan lines of credit	69,995		68,752
Unused home equity line of credit	27,045		27,315
Standby letters of credit	1,122		1,076
Commitment to sell loans	1,156		1,881

Commitments to extend credit are agreements to lend funds to a customer as long as there is no violation of any condition established in the underlying contract.  Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee.  As some such commitments expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements.  The Company evaluates each customer’s creditworthiness on a case-by-case basis.  The Company generally extends credit only on a secured basis.

Unfunded commitments under lines of credit are commitments for possible future extensions of credit to existing customers.  These lines of credit ultimately may not be drawn upon to the total extent to which the Company is committed.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party.  Those letters of credit are primarily issued to support public and private borrowing arrangements, and, generally, have terms of one year or less.  The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.  The Company holds collateral supporting those commitments if deemed necessary.  In the event the customer does not perform in accordance with the terms of the agreement with the third party, the Company would be required to fund the commitment.  The maximum potential amount of future payments the Company could be

23

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

required to make is represented by the contractual amount shown in the summary above.  If the commitment is funded, the Company would be entitled to seek recovery from the customer.  At December 31, 2016 and September 30, 2016, no amounts have been recorded as liabilities for the Company’s potential obligations under these guarantees.

Litigation

In the normal course of business, the Company is involved in various legal proceedings. In the opinion of management, any liabilities resulting from such proceedings would not have a material adverse effect on the Company's consolidated financial statements.

Note 9.Fair Value Measurements

ASC Topic 820, Fair Value Measurements and Disclosures, defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.  ASC Topic 820 requires the use of valuation techniques that are consistent with the market approach, the income approach and/or the cost approach.  Inputs to valuation techniques refer to the assumptions that market participants would use in pricing the asset or liability.  Inputs may be observable, meaning those that reflect the assumptions market participants would use in pricing the asset or liability developed based on market data obtained from independent sources, or unobservable, meaning those that reflect the reporting entity’s own assumptions about the assumptions market participants would use in pricing the asset or liability developed based on the best information available in the circumstances.  In that regard, ASC Topic 820 establishes a fair value hierarchy for valuation inputs that gives the highest priority to quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. The fair value hierarchy is as follows:

Level 1:  Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date.

Level 2:  Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data.

Level 3:  Significant unobservable inputs that reflect a reporting entity’s own assumptions about the assumptions that market participants would use in pricing an asset or liability.

A description of the valuation methodologies used for instruments measured at fair value, as well as the general classification of such instruments pursuant to the fair value hierarchy, is set forth below.

Financial Instruments Recorded at Fair Value on a Recurring Basis

Securities available-for-sale:  The fair value of the Company’s securities available-for-sale is determined using Level 2 inputs, which are derived from readily available pricing sources and third-party pricing services for comparable instruments.  The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, treasury yield curves, trading levels, credit information and credit terms, among other factors. In certain cases where Level 1 or Level 2 inputs are not available, securities are classified within Level 3 of the fair value hierarchy.

Derivatives:  The fair values of the Company’s embedded derivatives related to certain certificates of deposit are determined using inputs that are observable or that can be corroborated by observable market data (such as the S&P 500 Index and the 10- year U.S. Treasury rate) and, therefore, are classified within Level 2 of the fair value hierarchy.

24

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Assets and liabilities recorded at fair value on a recurring basis

The following table summarizes financial instruments measured at fair value on a recurring basis, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value as of:

			Fair Value Measurements
December 31, 2016	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Securities available-for-sale
U.S. Government and agency securities	$	25	$	—	$	25	$	—
U.S. Government agency residential mortgage-backed securities	44,516		—		44,516		—
U.S. Government agency collateralized mortgage obligations	3,965		—		3,965		—
U.S. Government agency commercial mortgage-backed securities	13,810		—		13,810		—
Municipal securities-tax exempt	26,993		—		26,993		—
Municipal securities-taxable	12,688		—		12,688		—
Corporate securities	—		—		—		—
Total securities available-for-sale	$	101,997	$	—	$	101,997	$	—
Derivatives	$	—	$	—	$	—	$	—
Liabilities
Derivatives	$	—	$	—	$	—	$	—

25

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

			Fair Value Measurements
September 30, 2016	Total		Quoted Prices in Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Securities available-for-sale
U.S. Government and agency securities	$	25	$	—	$	25	$	—
U.S. Government agency residential mortgage-backed securities	40,750		—		40,750		—
U.S. Government agency collateralized mortgage obligations	2,680		—		2,680		—
U.S. Government agency commercial mortgage-backed securities	11,526		—		11,526		—
Municipal securities-tax exempt	25,682		—		25,682		—
Municipal securities-taxable	13,109		—		13,109		—
Corporate securities	—		—		—		—
Total securities available-for-sale	$	93,772	$	—	$	93,772	$	—
Derivatives	$	98	$	—	$	98	$	—
Liabilities
Derivatives	$	98	$	—	$	98	$	—

The Company did not have any transfers between Level 1, Level 2, and Level 3 of the fair value hierarchy during the three months ended December 31, 2016.  The Company’s policy for determining transfers between levels occurs at the end of the reporting period when circumstances in the underlying valuation criteria change and, therefore, result in a transfer between levels.

Financial Instruments Recorded at Fair Value on a Nonrecurring Basis

The Company may be required, from time to time, to measure certain financial instruments at fair value on a nonrecurring basis in accordance with U.S. generally accepted accounting principles.

Impaired loans:  The Company does not record loans at fair value on a recurring basis.  The specific reserves for collateral-dependent impaired loans are based on the fair value of the collateral less estimated costs to sell. The fair value of collateral is determined based on appraisals.  In some cases, adjustments were made to the appraised values due to various factors including age of the appraisal, age of comparables included in the appraisal, and known changes in the market and in the collateral.  When significant adjustments were based on unobservable inputs, the resulting fair value measurement has been categorized as a Level 3 measurement.  Impaired loans with a carrying amount of $325 and $52 had a valuation allowance of $55 and $52 included in the allowance for loan losses to reflect their fair value as of December 31, 2016 and September 30, 2016, respectively.

Foreclosed real estate:  The Company does not record foreclosed real estate owned at fair value on a recurring basis.  The fair value of foreclosed real estate was determined using Level 3 inputs based on appraisals or broker pricing opinions.  In some cases, adjustments were made to these values due to various factors including the age of the appraisal, age of comparables included in the appraisal, and known changes in the market and in collateral.  Foreclosed real estate is measured at fair value less estimated costs to sell at the date of foreclosure.  Subsequent to foreclosure, additional writedowns may be recorded based on changes to the fair value of the assets.

Mortgage servicing rights:  Mortgage servicing rights (MSRs) do not trade in an active, open market with readily observable prices.  While sales of MSRs do occur, the precise terms and conditions typically are not readily available.  Accordingly, the

26

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Company estimates the fair value of MSRs using discounted cash flow models incorporating numerous assumptions from the perspective of market participants including servicing income, servicing costs, market discount rates, prepayments speeds, and default rates.  Due to the nature of the valuation inputs, MSRs are classified within Level 3 of the valuation hierarchy.  As of December 31, 2016, mortgage servicing rights with a carrying amount of $946 had a valuation allowance of $105 to reflect their fair value of $841.  As of September 30, 2016, mortgage servicing rights with a carrying amount of $1,012 had a valuation allowance of $212 to reflect their fair value of $800.

Assets and liabilities recorded at fair value on a non-recurring basis

			Fair Value Measurements
December 31, 2016	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Impaired loans	$	270	$	—	$	—	$	270
Foreclosed real estate	—		—		—		—
Mortgage servicing rights	841		—		—		841

			Fair Value Measurements
September 30, 2016	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Impaired loans	$	—	$	—	$	—	$	—
Foreclosed real estate	99		—		—		99
Mortgage servicing rights	800		—		—		800

Disclosure of fair value information about financial instruments, for which it is practicable to estimate that value, is required whether or not recognized in the accompanying consolidated balance sheets.  In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques.  Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows.  In that regard, the derived fair value estimates cannot be substantiated by comparison to independent markets and, in many cases, could not be realized in immediate settlement of the instruments.  Certain financial instruments with a fair value that is not practicable to estimate and all non-financial instruments are excluded from the disclosure requirements.  Accordingly, the aggregate fair value amounts presented herein do not necessarily represent the underlying value of the Company for assets and liabilities not previously described.  The Company, in estimating its fair value disclosures for financial instruments not described above, used the following methods and assumptions:

Cash and cash equivalents:  The carrying amounts of cash and cash equivalents reported in the accompanying consolidated balance sheets approximate those assets’ fair values.

Securities held to maturity: The fair values of securities held to maturity are based on quoted market prices for similar securities, adjusted for differences in security characteristics.

Loans:  For variable-rate mortgage loans that re-price frequently and with no significant change in credit risk, fair values are based on carrying values.  The fair values for fixed rate residential mortgage loans are based on quoted market prices for similar loans sold in conjunction with sale transactions, adjusted for differences in loan characteristics.  The fair values for commercial real estate or business loans, rental property mortgage loans, and consumer and other loans are estimated using discounted cash flow analyses and using interest rates currently being offered for loans with similar terms to borrowers of similar credit quality.

Loans held for sale:  The fair values of loans held for sale are based on commitments on hand from investors or prevailing market prices.

27

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Federal Home Loan Bank stock:  The carrying amount of FHLB stock approximates its fair value based on the redemption provisions of the FHLB.

Accrued interest receivable and payable:  The carrying amounts of accrued interest receivable and payable approximate their fair values.

Deposits:  The fair value disclosed for interest-bearing and non-interest-bearing checking accounts, savings accounts, and money market accounts are equal to the amount payable on demand at the reporting date (i.e., their carrying amounts).  The fair values of fixed rate certificates of deposit are estimated using a discounted cash flow calculation that applies interest rates currently being offered on certificates to a schedule of aggregated expected monthly maturities of the outstanding certificates of deposit.

Advances from the Federal Home Loan Bank:  The fair values of FHLB advances are estimated using discounted cash flow analyses, based on the Company’s current incremental borrowing rates for similar types of borrowing arrangements. The carrying amounts of short term FHLB advances reported in the consolidated balance sheets approximated those liabilities' fair values.

Advance payments by borrowers for property taxes and insurance:  The carrying amounts of the advance payments by borrowers for property taxes and insurance approximate their fair values.

Mortgage banking derivatives:  The fair value of commitments to originate mortgage loans held for sale is estimated by comparing the Company’s cost to acquire mortgages and the current price for similar mortgage loans, taking into account the terms of the commitments and the credit worthiness of the counterparties.  The fair value of forward commitments to sell residential mortgage loans is the estimated amount that the Bank would receive or pay to terminate the forward delivery contract at the reporting date based on market prices for similar financial instruments.  The fair value of these derivative financial instruments was not material at December 31, 2016 and September 30, 2016.

28

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

The estimated fair values and related carrying amounts of the Company’s financial instruments as of the dates noted below were as follows:

	December 31, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	$	41,996	$	41,996	$	41,996	$	—	$	—
Securities available for sale	101,997		101,997		—		101,997		—
Securities held to maturity	2,293		2,316		—		2,316		—
Loans held for sale, net	1,156		1,156		—		1,156		—
Loans, net	543,220		540,680		—		—		540,680
Federal Home Loan Bank stock	1,330		1,330		—		—		1,330
Mortgage servicing rights	841		841		—		—		841
Accrued interest receivable	2,299		2,299		2,299		—		—
Derivative asset	—		—		—		—		—
Financial liabilities:
Deposits	629,852		594,785		127,670		—		467,115
Short-term advances from Federal Home Loan Bank	—		—		—		—		—
Long-term advances from Federal Home Loan Bank	20,000		18,785		—		—		18,785
Advance payments by borrowers for property taxes and insurance	550		550		550		—		—
Accrued interest payable	7		7		7		—		—
Derivative liability	—		—		—		—		—

29

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

	September 30, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	$	29,613	$	29,613	$	29,613	$	—	$	—
Securities available for sale	93,772		93,772		—		93,772		—
Securities held to maturity	2,293		2,392		—		2,392		—
Loans held for sale, net	1,881		1,881		—		1,881		—
Loans, net	533,759		536,434		—		—		536,434
Federal Home Loan Bank stock	1,330		1,330		—		—		1,330
Mortgage servicing rights	800		800		—		—		800
Accrued interest receivable	2,173		2,173		2,173		—		—
Derivative asset	98		98		—		98		—
Financial liabilities:
Deposits	591,977		574,787		111,841		—		462,946
Short-term advances from Federal Home Loan Bank	—		—		—		—		—
Long-term advances from Federal Home Loan Bank	20,000		19,472		—		—		19,472
Advance payments by borrowers for property taxes and insurance	5,455		5,455		5,455		—		—
Accrued interest payable	5		5		5		—		—
Derivative liability	98		98		—		98		—

Note 10.Employee Stock Ownership Plan

The Bank maintains a leveraged employee stock ownership plan ("ESOP") that covers all employees meeting certain minimum age and service requirements. The ESOP was established in conjunction with the Company's stock offering completed in April 2013 and operates on a plan year ending December 31. The ESOP initially borrowed $4.1 million from the Company and used those funds to acquire 411,403 shares, or 8.0% of the total number of shares issued by the Company in its initial public offering. The shares were acquired at a price of $10.00 per share. The Bank makes annual contributions to the ESOP equal to the ESOP's debt service. Additional principal payments, which serve to pay down the debt and accelerate the release of ESOP shares to plan participants, may be made by the Bank at the discretion of its Board of Directors. The ESOP shares were pledged as collateral for its debt obligations to the Company. As the debt is repaid, shares are released from collateral and allocated to active participants, based on the proportion of debt service paid in the year. The debt repayment and release of shares generally occurs at December 31, the plan year end date. The Company accounts for its ESOP in accordance with ASC 718-40. Accordingly, because the debt is intercompany, it is eliminated in consolidation for presentation in these financial statements. The shares pledged as collateral are reported as unearned ESOP shares in the accompanying balance sheet. Total ESOP shares may be reduced as a result of employees leaving the Company as shares that have previously been released to those exiting employees may be removed from the ESOP and transferred to that employee. As shares are committed to be released from collateral, the Company reports compensation expense equal to the current market price of the released shares, and the released shares become outstanding for EPS computations. During the three months ended December 31, 2016 and 2015, 10,285 and 5,142 shares were committed to be released, respectively. The total ESOP compensation expense recorded for the three months ended December 31, 2016 and 2015 was $207 and $91, respectively.

The ESOP shares as of December 31, 2016 and September 30, 2016 were as follows (in thousands, except share data):

30

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

	December 31, 2016		September 30, 2016
Allocated shares to active participants	52,759		52,773
Shares committed to be released	41,140		30,855
Unallocated shares	308,553		318,838
Total ESOP shares	402,452		402,466
Fair value of unallocated shares	$	6,387	$	6,227

Note 11. Compensation Equity Plans

ASC Topic 718 requires that the grant date fair value of equity awards to employees be recognized as compensation expense over the period during which an employee is required to provide service in exchange for such award.

The following table summarizes the impact of the Company's share-based payment plans in the financial statements for the periods shown:

	Three Months Ended December 31,
	2016		2015
Total cost of stock grant plan during the period	$	134	$	151
Total cost of stock option plan during the period	64		57
Total cost of share-based payment plans during the period	$	198	$	208
Amount of related income tax benefit recognized in income	$	78	$	82

The Company adopted the Westbury Bancorp Inc 2014 Equity Incentive Plan (the "Plan") in 2014. In June 2014, the Company's stockholders approved the Plan which authorized the issuance under the Plan of up to 203,665 restricted stock awards and up to 509,162 stock options. As of December 31, 2016 there were 5,536 restricted stock awards and 34,784 options available for future grants.

Annual equity-based incentive awards are typically granted to selected officers and employees mid-year. Options are granted with an exercise price equal to no less than the market price of the Company's common shares at the date of grant: those option awards generally vest pro-rata over five years of service and have 10-year contractual terms. Restricted shares typically vest pro-rata over a five year period. Equity awards may also be granted at other times throughout the year in connection with the recruitment and retention of officers and employees.

ASC Topic 718 requires that the grant date fair value of equity awards to employees be recognized as compensation expense over the period during which an employee is required to provide service in exchange for such award.

31

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

The following table summarizes stock options outstanding for the three months ended December 31, 2016:

	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Options outstanding as of September 30, 2016	474,132	$	16.46
Granted	2,750	21.00
Exercised	—	—
Expired or canceled	150	17.35
Forfeited	12,547	16.15
Options outstanding as of December 31, 2016	464,185	$	16.49	8.06	$	1,953
Options exercisable as of December 31, 2016	135,657	$	15.49	7.62	$	707

The fair value of each option award is estimated on the date of grant using the Black-Scholes option pricing model based on certain assumptions. Expected volatility is based on historical volatility and the expectations of future volatility of Company shares. The risk free interest rate for periods within the contractual term of the option is based on the U.S. Treasury yield curve in effect at the time of the grant. Since options were first awarded in June 2014 and the Company has had a minimal number of options exercised by participants in the Incentive Plan, the expected life of options is estimated based on the assumption that options will be exercised evenly throughout their life after vesting and represents the period of time that options granted are expected to remain outstanding.

32

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

The following assumptions were used for options granted during the three months ended December 31:

	2016			2015
Risk-free interest rate	2.19		%	1.99		%
Expected volatility of Company's stock	15.74		%	7.44		%
Expected dividend yield	—		%	—		%
Expected life of options (years)	7.5			7.5
Weighted average fair value per option of options granted during the period	$	5.14		$	2.89

The total intrinsic value of options exercised during each of the three months ended December 31, 2016 and 2015 was zero and $10, respectively.

The following is a summary of changes in restricted shares for the three months ended December 31, 2016:

	Number of Shares	Weighted Average Grant Date Fair Value
Shares Outstanding at September 30, 2016	114,883	$	15.20
Granted	7,500	21.50
Vested	—	—
Forfeited	4,278	15.20
Shares Outstanding at December 31, 2016	118,105	$	15.60

The total intrinsic value of restricted shares that vested during both of the three months ended December 31, 2016 and 2015 was zero.

As of December 31, 2016, there was $2.4 million of total unrecognized compensation cost related to nonvested share-based compensation arrangements (including share option and nonvested share awards) granted under the Plan. At December 31, 2016, the weighted-average period over which the unrecognized compensation expense is expected to be recognized was approximately 3.0 years.

33

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Note 12. Condensed Parent Company Financial Information

The condensed financial statements of Westbury Bancorp, Inc. (parent company only) are presented for the periods indicated below:

Balance Sheets
	December 31,		September 30,
	2016		2016
Assets
Cash and interest bearing deposits	$	611	$	251
Investments	46		55
Loan to ESOP	3,197		3,620
Investment in subsidiary	74,352		75,872
Other assets	2,477		2,397
Total assets	$	80,683	$	82,195
Liabilities and Stockholders' Equity
Total liabilities	$	38	$	26
Stockholders' equity	80,645		82,169
Total liabilities and stockholders' equity	$	80,683	$	82,195

Statements of Operations
	Three Months Ended December 31,
	2016			2015
Interest and other income	$	32		$	32
Interest and other expense	142			121
Loss before income tax benefit and equity in undistributed net income of subsidiary	(110		)	(89		)
Income tax benefit	(26		)	(18		)
Loss before equity in undistributed net income of subsidiary	(84		)	(71		)
Equity in undistributed net income of subsidiary	831			1,110
Net income	$	747		$	1,039

34

Westbury Bancorp, Inc. and Subsidiary

Notes to Unaudited Consolidated Financial Statements

(Dollars in Thousands, except per share data)

Statements of Cash Flows
	For Three Months Ended December 31,
	2016			2015
Cash Flows From Operating Activities
Net income	$	747		$	1,039
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net income of subsidiary	(831		)	(1,110		)
Net change in other liabilities	12			(32		)
Net change in other assets	118			742
Net cash provided by operating activities	46			639
Cash Flows From Investing Activities
Sales and maturities of securities	9			29
Payments received on ESOP loan	423			158
Dividend received from bank subsidiary	500			1,500
Net cash provided by investing activities	932			1,687
Cash Flows From Financing Activities
Stock options exercised	—			64
Repurchase of common stock	(618		)	(506		)
Net cash used in financing activities	(618		)	(442		)
Net increase in cash	360			1,884
Cash
Beginning of period	251			1,440
End of period	$	611		$	3,324

35

ITEM 2.  MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

This Quarterly Report contains forward-looking statements, which can be identified by the use of words such as “estimate,” “project,” “believe,” “intend,” “anticipate,” “assume,” “plan,” “seek,” “expect,” “will,” “may,” “should,” “indicate,” “would,” “believe,” “contemplate,” “continue,” “intend,” “target” and words of similar meaning.  These forward-looking statements include, but are not limited to:

• statements of our goals, intentions and expectations;

• statements regarding our business plans, prospects, growth and operating strategies;

• statements regarding the asset quality of our loan and investment portfolios; and

• estimates of our risks and future costs and benefits.

These forward-looking statements are based on our current beliefs and expectations and are inherently subject to significant business, economic and competitive uncertainties and contingencies, many of which are beyond our control.  In addition, these forward-looking statements are subject to assumptions with respect to future business strategies and decisions that are subject to change.  We are under no duty to and do not take any obligation to update any forward-looking statements after the date of this Quarterly Report.

The following factors, among others, could cause actual results to differ materially from the anticipated results or other expectations expressed in the forward-looking statements:

• our ability to manage our operations under current economic conditions nationally and in our market area;

• adverse changes in the financial industry, securities, credit and national and local real estate markets (including real estate values);

• significant increases in our loan losses, including as a result of our inability to resolve classified loans, and changes in management’s assumptions in determining the adequacy of the allowance for loan losses;

• credit risks of lending activities, including changes in the level and trend of loan delinquencies and charge-offs and in our allowance for loan losses and provision for loan losses;

• competition among depository and other financial institutions;

• our success in increasing our commercial business, commercial real estate and multifamily lending while maintaining our asset quality;

• we have in recent periods identified multi-family, commercial real estate and construction loans as areas for lending emphasis. We have had, in particular, higher levels of commercial real estate lending (including non-owner occupied commercial real estate loans) in recent periods. Although we believe we have employed the appropriate management, sales, and administrative personnel (including personnel tasked with managing and monitoring loan concentrations in these areas), as well as installed the appropriate systems and procedures, to support this lending emphasis and higher levels of loans in these categories, these types of loans have historically carried greater risk of payment default than loans to retail borrowers. As the volume of commercial lending in these loan categories increases, our credit risk may increase. Construction loans have the additional risk of potential non-completion of the project. In the event of increased defaults from commercial borrowers or non-completion of construction projects, our provision for loan losses would further increase and loans may be written off and, therefore, earnings would be reduced. In addition, costs associated with the administration of problem loans increase and, therefore, earnings would be further reduced. Further, as the portion of the Company's loans secured by real estate increases (including those related to construction projects), the Company becomes increasingly exposed to fluctuations in real estate values and the real estate markets, as well as being exposed to potential environmental liabilities and related compliance burdens.  If we fail to adequately monitor and evaluate trends in the real estate markets and to assess potential environmental risks, the value of the collateral we hold may be less than expected;

• our success in introducing new financial products;

• our ability to attract and maintain deposits;

36

• our ability to retain customer accounts, achieve increased operating efficiencies and enhance profitability following the closing of underperforming branch offices;

• changes in interest rates generally, including changes in the relative differences between short term and long term interest rates and in deposit interest rates, that may affect our net interest margin and funding sources;

• fluctuations in the demand for loans, which may be affected by the number of unsold homes, land and other properties in our market areas and by declines in the value of real estate in our market area;

• changes in consumer spending, borrowing and savings habits;

• further declines in the yield on our assets resulting from the current low interest rate environment;

• the results of examinations by our regulators, including the possibility that our regulators may, among other things, require us to increase our allowance for loan losses, write down assets, change our regulatory capital position, limit our ability to borrow funds, make dividend payments or maintain or increase deposits;

• changes in the level of government support of housing finance;

• our ability to enter new markets successfully and capitalize on growth opportunities;

• changes in laws or government regulations or policies affecting financial institutions, including changes in the regulations implementing the Dodd-Frank Act, the JOBS Act and similar future laws, which could result in, among other things, increased deposit insurance premiums and assessments, capital requirements (particularly the new Basel III capital regulations), and regulatory fees and compliance costs;

• changes in accounting policies and practices, as may be adopted by the bank regulatory agencies, the Financial Accounting Standards Board, the Securities and Exchange Commission and the Public Company Accounting Oversight Board;

• changes in our compensation and benefit plans;

• our ability to retain key members of our senior management team and to address staffing needs to respond to demand or to implement our strategic plans;

• loan delinquencies and changes in the underlying cash flows of our borrowers;

• our ability to control costs and expenses, particularly those associated with operating as a publicly traded company;

• changes in the financial condition or future prospects of issuers of securities that we own;

• the ability of third-party service providers to perform their obligations to us;

• the availability, effectiveness and security of our information technology systems and our ability to secure confidential information through the use of our computer and other technology systems and networks;

• other economic, competitive, governmental, regulatory and operational factors affecting our operations, pricing, products and services described elsewhere in this report, including any future changes in tax rates and the resulting impact such changes may have on the value of any deferred tax assets and liabilities and any investment securities recorded in our financial statements; and

• the impact of reputational risk created by any of the foregoing developments on such matters such as business generation and retention, funding and liquidity.

Because of these and a wide variety of other uncertainties, our actual future results may be materially different from the results indicated by these forward-looking statements.

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Critical Accounting Policies

There are no material changes to the critical accounting policies disclosed in Westbury Bancorp, Inc.’s Annual Report on Form 10-K for the fiscal year ended September 30, 2016.

Overview

Our Business. The Company is a Maryland corporation and the savings and loan holding company for Westbury Bank, which was formed in connection with the mutual-to-stock conversion of the Bank's former mutual holding company, WBSB Bancorp, MHC, in 2013. Westbury Bank is a federally-chartered savings bank headquartered in West Bend, Wisconsin.

We provide financial services to individuals, families and businesses through our eight banking offices located in Washington County, Wisconsin and Waukesha County, Wisconsin. We also operate loan production offices in Madison, Wisconsin, located in Dane County, and Appleton, Wisconsin, located in Outagamie County. In addition, although our current operations are not focused in Milwaukee County, Wisconsin, we are affected by conditions in Milwaukee County because our loan portfolio includes a significant number of loans that are secured by real estate or that have borrowers located in Milwaukee County. Also, a number of our customers who reside in Washington or Waukesha Counties are employed in Milwaukee County, and the operations of our commercial customers depend in part on sales of products and services to individuals or other businesses located in Milwaukee County.

Our principal business consists of attracting retail and commercial deposits from the general public in our market area and investing those deposits, together with funds generated from operations, and to a lesser extent, borrowings, in one- to four-family residential real estate loans, commercial and multi-family real estate loans, commercial business loans and construction loans, and, to a lesser extent, consumer loans, including home equity lines of credit and automobile loans. A significant majority of our deposits are transaction accounts, which we believe are less susceptible to large-scale withdrawals than certificates of deposit as a result of changes in interest rates, and which we believe have a lower cost of funds over various interest rate cycles. We also purchase investment securities consisting primarily of government-sponsored mortgage-backed securities, government-sponsored debentures, municipal securities and corporate securities.

Our results of operations depend primarily on our net interest income. Net interest income is the difference between the interest income we earn on our interest-earning assets and the interest we pay on our interest-bearing liabilities. Our results of operations also are affected by our provision for loan losses, non-interest income and non-interest expense. Non-interest income consists primarily of service charges on deposit accounts, loan servicing income, gains on sales of securities and loans, debit card income, income from bank-owned life insurance and miscellaneous other income. Non-interest expense consists primarily of expenses related to compensation and employee benefits, occupancy and equipment, data processing, federal deposit insurance premiums, ATM charges, professional fees, advertising and other operating expenses.

Our results of operations also may be affected significantly by general and local economic and competitive conditions (particularly in southeastern Wisconsin), changes in market interest rates, governmental policies and actions of regulatory authorities.

Comparison of Financial Condition at December 31, 2016 and September 30, 2016

Total Assets.  Total assets increased by $30.4 million, or 4.3%, to $733.0 million at December 31, 2016 from $702.6 million at September 30, 2016.  The increase in total assets was primarily the result of an increase in cash and cash equivalents of $12.4 million, net loans of $9.5 million and securities available for sale of $8.2 million.

Cash and Cash Equivalents. Cash and cash equivalents increased by $12.4 million, or 41.8%, to $42.0 million at December 31, 2016 from $29.6 million at September 30, 2016. The increase was the result of normal fluctuations in cash and due from banks between those dates.

Net Loans.  Net loans increased by $9.5 million, or 1.8%, to $543.2 million at December 31, 2016 from $533.8 million at September 30, 2016.  Non-owner occupied commercial real estate loans increased by $9.6 million, owner-occupied commercial real estate loans by $6.9 million, commercial business loans by $4.2 million, and construction and land development loans by $3.0 million, offset by decreases in multifamily loans of $7.7 million and single family loans of $6.2 million. The increases in commercial loans and commercial real estate loans resulted from our continued efforts to grow these segments of the loan portfolio, particularly loans secured by owner-occupied properties. The increase in construction and land development loans resulted from progress draws related to partial completion of projects during the period. The decreases in multifamily and single family loans resulted from anticipated loan payoffs.

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Investment Securities.  Investment securities available for sale increased $8.2 million, or 8.8%, to $102.0 million at December 31, 2016 from $93.8 million at September 30, 2016. Mortgage-backed securities and collateralized mortgage obligations increased $7.3 million and municipal securities increased $890,000 between these dates. These changes occurred as we invested new deposit balances and repositioned the investment portfolio through normal portfolio management.

Net unrealized loss on securities increased by $3.0 million to $2.1 million at December 31, 2016 from a net unrealized gain of $923,000 at September 30, 2016, reflecting the effect of an increase in market interest rates after the November U.S. elections.  At December 31, 2016, investment securities classified as available-for-sale consisted entirely of government-sponsored enterprise mortgage-backed securities, municipal securities, and corporate bonds. At December 31, 2016, investment securities classified as held to maturity consisted entirely of municipal securities.

The outstanding balances of investment securities held to maturity was unchanged at $2.3 million at December 31, 2016 and September 30, 2016.

Foreclosed Real Estate.  Foreclosed real estate decreased $99,000, or 100.0%, to zero at December 31, 2016 from $99,000 at September 30, 2016, as we sold $90,000 of foreclosed properties and recorded valuation adjustments of $9,000 during the period.  At December 31, 2016, we held no foreclosed real estate.

Cash Surrender Value of Bank-Owned Life Insurance. Cash surrender value of bank-owned life insurance increased $114,000, or 0.8%, to $14.3 million at December 31, 2016 from $14.2 million at September 30, 2016.

Deferred Tax Asset. The deferred tax asset increased $785,000, or 14.5%, to $6.2 million at December 31, 2016 from $5.4 million at September 30, 2016, due to an increase in the deferred tax asset relating to unrealized losses on investment securities available for sale incurred during the three months ended December 31, 2016, offset by the accrual of income tax expense as a result of the Company recording taxable income for the period.

Deposits.  Deposits increased $37.9 million, or 6.4%, to $629.9 million at December 31, 2016 from $592.0 million at September 30, 2016.  Our core deposits, which we consider to be our non-interest bearing and interest bearing checking accounts, passbook and statement savings accounts, and variable rate money market accounts, increased $28.8 million, or 6.5%, to $474.3 million at December 31, 2016 from $445.5 million at September 30, 2016.  In particular, variable rate money market accounts increased by $6.7 million, or 10.4%, to $71.3 million at December 31, 2016 from $64.6 million at September 30, 2016 while noninterest bearing deposits increased by $15.8 million, or 14.2%, to $127.7 million at December 31, 2016 from $111.8 million at September 30, 2016. Certificates of deposit increased $9.0 million, or 6.2%, to $155.6 million at December 31, 2016 from $146.5 million at September 30, 2016.   Growth in certificates of deposit was generated primarily through the use of Internet listing services to attract balances from other financial institutions.

Short Term Advances from FHLB. Short-term advances from the FHLB were zero at both December 31, 2016 and September 30, 2016. We anticipate continuing to use short term advances to fund a portion of our growth as needed.

Long Term Advances from FHLB. Long-term advances from the FHLB were unchanged at $20.0 million at December 31, 2016 and September 30, 2016.

Advance Payments By Borrowers For Property Taxes and Insurance.  Advance payments by borrowers for property taxes and insurance decreased by $4.9 million, or 89.9%, to $550,000 at December 31, 2016 from $5.5 million at September 30, 2016 due to seasonal disbursements to customers in December 2016 to enable the payment of mortgagees’ property taxes offset by ongoing monthly payments by borrowers. 

Total Stockholders' Equity.  Total stockholders' equity decreased $1.3 million to $78.3 million at December 31, 2016 from $79.6 million at September 30, 2016.  The decrease resulted primarily from a decrease in other comprehensive income of $1.9 million and the repurchase of 29,200 shares of common stock for $618,000 during the quarterly period ended December 31, 2016, offset by net income of $747,000 during the same period, the allocation of ESOP shares of $207,000 and stock based compensation expense of $198,000.

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Delinquent Loans

The following table sets forth our loan delinquencies, including non-accrual loans, by type and amount at the dates indicated:

	30-59 Days			Loans Delinquent For 60-89 Days			90 Days and Over			Total
	Number	Amount		Number	Amount		Number	Amount		Number	Amount
	(Dollars in thousands)
At December 31, 2016:
Real estate loans:
Single family	8	$	655	3	$	400	5	$	326	16	$	1,381
Multi-family	1	16		—	—		—	—		1	16
Commercial real estate - non-owner occupied	—	—		—	—		—	—		—	—
Commercial real estate - owner occupied	—	—		—	—		—	—		—	—
Construction and land	—	—		—	—		—	—		—	—
Total real estate	9	671		3	400		5	326		17	1,397
Commercial business loans	—	—		—	—		—	—		—	—
Consumer loans:
Home equity lines of credit	—	—		—	—		1	27		1	27
Education	10	107		2	12		9	138		21	257
Other consumer loans	—	—		—	—		—	—		—	—
Total consumer loans	10	107		2	12		10	165		22	284
Total	19	$	778	5	$	412	15	$	491	39	$	1,681
At September 30, 2016:
Real estate loans:
Single family	5	$	239	3	$	426	2	$	73	10	$	738
Multi-family	—	—		—	—		—	—		—	—
Commercial real estate - non-owner occupied	—	—		—	—		—	—		—	—
Commercial real estate - owner occupied	—	—		—	—		—	—		—	—
Construction and land	—	—		—	—		—	—		—	—
Total real estate	5	239		3	426		2	73		10	738
Commercial business loans	—	—		—	—		—	—		—	—
Consumer loans:
Home equity lines of credit	—	—		—	—		1	27		1	27
Education	3	11		4	39		7	149		14	199
Other consumer loans	—	—		—	—		—	—		—	—
Total consumer loans	3	11		4	39		8	176		15	226
Total	8	$	250	7	$	465	10	$	249	25	$	964

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Classified Assets

The following table details the Company’s classified and Special Mention loans and assets as graded by the Company at the dates indicated:

	At December 31, 2016		At September 30, 2016
	(In thousands)
Classified Loans:
Doubtful	$	—	$	—
Substandard — performing:
Real estate loans:
Single family	1,480		1,418
Multi-family	—		—
Commercial real estate - non-owner occupied	—		—
Commercial real estate - owner occupied	836		—
Construction and land	1		2
Total real estate loans	2,317		1,420
Commercial business loans	534		—
Consumer loans:
Home equity lines of credit	67		68
Other consumer loans	—		—
Total consumer loans	67		68
Total substandard — performing	2,918		1,488
Substandard — Nonperforming:
Real estate loans:
Single family	518		337
Multi-family	—		—
Commercial real estate - non-owner occupied	—		—
Commercial real estate - owner occupied	—		—
Construction and land	—		—
Total real estate loans	518		337
Commercial business loans	—		—
Consumer loans:
Home equity lines of credit	27		27
Other consumer loans	—		—
Total consumer loans	27		27
Total substandard — nonperforming	545		364
Total classified loans	3,463		1,852
Foreclosed real estate	—		99
Total classified assets	$	3,463	$	1,951
Special mention:
Real estate loans:
Single family	$	—	$	—
Multi-family	—		—
Commercial real estate - non-owner occupied	—		396
Commercial real estate - owner occupied	—		—
Construction and land	—		—
Total real estate loans	—		396
Commercial business loans	—		214
Consumer loans:
Home equity lines of credit	—		—
Other consumer loans	—		—
Total consumer loans	—		—
Total special mention	—		610
Total classified assets and special mention loans	$	3,463	$	2,561

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Non-Performing Assets

The following table sets forth information regarding our non-performing assets and troubled debt restructurings at the dates indicated.  The information reflects net charge-offs but not specific reserves.  Troubled debt restructurings include loans where the borrower is experiencing financial difficulty and for which either a portion of interest or principal has been forgiven or an extension of term granted, or for loans modified at interest rates materially less than current market rates.

	At December 31, 2016			At September 30, 2016
	(Dollars in thousands)
Nonaccrual loans:
Real estate loans:
Single family	$	518		$	338
Multi family	—			—
Commercial real estate - non-owner occupied	—			—
Commercial real estate - owner occupied	—			—
Construction and land	—			—
Total real estate	518			338
Commercial business loans	—			—
Consumer loans:
Home equity lines of credit	35			36
Education	150			188
Other consumer loans	—			—
Total consumer loans	185			224
Total nonaccrual loans (1)	703			562
Loans greater than 90 days delinquent and still accruing:
Total delinquent loans accruing	—			—
Total non-performing loans	703			562
Foreclosed assets:
Single family	—			99
Multi-family	—			—
Commercial real estate - non-owner occupied	—			—
Commercial real estate - owner occupied	—			—
Construction and land	—			—
Home equity line of credit	—			—
Total foreclosed assets	—			99
Total nonperforming assets	$	703		$	661
Performing troubled debt restructurings	$	2,719		$	3,021
Ratios:
Nonperforming loans to total loans	0.13		%	0.10		%
Nonperforming assets to total assets	0.10		%	0.09		%
Nonperforming assets and troubled debt restructurings to total assets	0.47		%	0.52		%

_______________________

⁽¹⁾  There were no troubled debt restructurings that were on non-accrual status at December 31, 2016 or September 30, 2016.

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The increase in Substandard loans resulted primarily from the downgrade of a commercial loan relationship during the quarter due to evidence of deterioration of the borrower's financial condition and performance. These loans are performing in accordance with their terms and are not considered to be impaired at December 31, 2016.

The increase in delinquent loans and non-performing assets at December 31, 2016, from their balances at September 30, 2016, was primarily due to a modest increase in past due single family loans.

Interest income that would have been recorded for the three months ended December 31, 2016, had non-accruing loans been current according to their original terms, amounted to approximately $9,000.  There was $2,000 in interest related to these loans included in interest income for the three months ended December 31, 2016.

Other Loans of Concern.   There were no other loans at December 31, 2016 that are not already disclosed where there is information about possible credit problems of borrowers available to our management that would cause management to have serious doubts about the ability of the borrowers to comply with present loan repayment terms and that are reasonably likely to result in disclosure of such loans in the future.

Comparison of Operating Results for the Three Months Ended December 31, 2016 and December 31, 2015

General.  Net income for the three months ended December 31, 2016 was $747,000 compared to $1.0 million for the three months ended December 31, 2015. The decrease in net income of $292,000 was due primarily to increases in noninterest expenses of $668,000 and our provision for loan losses of $50,000, which were offset by increases in net interest margin of $202,000 and noninterest income of $3,000 and a decrease in income tax expense of $227,000.

Interest and Dividend Income. Interest and dividend income increased $329,000, or 5.9%, to $5.9 million for the three months ended December 31, 2016 from $5.6 million for the three months ended December 31, 2015. This increase was attributable to an increase of $279,000 in interest income on loans receivable and $50,000 in interest and dividend income on investment securities and interest bearing deposits.

The average balance of interest-earning assets increased $51.9 million, or 8.8%, to $639.5 million for the three months ended December 31, 2016 from $587.6 million for the three months ended December 31, 2015. The yield on average interest-earning assets decreased by 7 basis points to 3.75% for the three months ended December 31, 2016 from 3.82% for the three months ended December 31, 2015.

The average balance of loans increased $35.1 million to $530.8 million for the three months ended December 31, 2016 from $495.7 million for the three months ended December 31, 2015. The average yield on loans decreased by 6 basis points to 4.07% for the three months ended December 31, 2016 from 4.13% for the three months ended December 31, 2015.  This decrease in our average yield on loans reflected the growth in our loan portfolio at current market rates and the effects of downward pressure on loan pricing caused by the prolonged low interest rate environment.

The average balance of investment securities increased by $16.9 million, or 20.0%, to $101.2 million for the three months ended December 31, 2016 from $84.4 million for the three months ended December 31, 2015, while the average yield on investment securities was unchanged at 2.21% for the three months ended December 31, 2016 compared to 2.21% for the three months ended December 31, 2015. 

Interest Expense. Total interest expense increased $127,000, or 21.5%, to $717,000 for the three months ended December 31, 2016 from $590,000 for the three months ended December 31, 2015.  Interest expense on deposit accounts increased $109,000 to $667,000 for the three months ended December 31, 2016 from $558,000 for the three months ended December 31, 2015.

The average balance of deposits and interest-bearing liabilities increased $45.6 million, or 7.9%, to $621.5 million for the three months ended December 31, 2016 from $575.9 million for the three months ended December 31, 2015. The average cost of deposits and interest-bearing liabilities increased 5 basis points to 0.46% for the three months ended December 31, 2016 from 0.41% for the three months ended December 31, 2015.

The average balance of interest bearing deposits increased $44.0 million to $483.6 million for the three months ended December 31, 2016 from $439.6 million for the three months ended December 31, 2015, and the average cost of interest bearing deposits increased 4 basis points to 0.55% from 0.51%. This increase in the cost of interest bearing deposits was caused by a change in the composition of our interest bearing deposits, with the average balance of higher cost certificates of

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deposit increasing by $26.7 million and the average balance of lower cost checking, savings and money market accounts increasing by only $17.3 million. Additionally, the average balance of non-interest bearing demand deposits increased by $8.9 million which helped hold the increase in our overall cost of deposits to only 3 basis points.

Interest expense on FHLB advances increased $18,000 to $50,000 for the three months ended December 31, 2016 from $32,000 for the three months ended December 31, 2015. The increase was due to an increase in the average cost of FHLB advances of 53 basis points to 0.99% for the three months ended December 31, 2016 from 0.46% for the three months ended December 31, 2015. The increase in the average cost was partially offset by a decrease in the average balance of FHLB advances of $7.3 million for the three months ended December 31, 2016. This increase in the average cost resulted from an increase in average long-term FHLB advances to $20.0 million for the three months ended December 31, 2016 from $7.0 million for the three months ended December 31, 2015.

Net Interest Income. Net interest income increased $202,000, or 4.0%, to $5.2 million for the three months ended December 31, 2016 from $5.0 million for the three months ended December 31, 2015.  Our net interest margin decreased by 12 basis points to 3.30% for the three months ended December 31, 2016 from 3.42% for the three months ended December 31, 2015.  Our net interest margin was impacted negatively by a decrease in the yield on our loan portfolio as a result of the growth in our loan portfolio at current market rates and the effects of downward pressure on loan pricing caused by the prolonged low interest rate environment. Our net interest margin was also impacted by an increase in the cost of deposits and interest-bearing liabilities.

Provision for Loan Losses.  We recorded a provision for loan losses of $200,000 for the three months ended December 31, 2016 compared to $150,000 for the three months ended December 31, 2015.  The increase in the provision resulted from growth in the loan portfolio compared to the prior year period, offset by the improvement in our charge-off experience compared to the prior year period. The allowance for loan losses was $5.5 million, or 0.99% of total loans, at December 31, 2016, compared to $5.2 million, or 0.97% of total loans, at September 30, 2016, and $4.7 million, or 0.95% of total loans, at December 31, 2015. 

Total nonperforming loans were $703,000, or 0.13% of total loans, at December 31, 2016, compared to $562,000, or 0.10% of total loans, at September 30, 2016. As a percentage of nonperforming loans, the allowance for loan losses was 775.4% at December 31, 2016, compared to 933.1% at September 30, 2016. 

Total classified loans were $3.5 million at December 31, 2016, compared to $1.9 million at September 30, 2016, and $2.3 million at December 31, 2015.

The allowance for loan losses reflects the balance we believe to be appropriate to cover incurred probable losses which were inherent in the loan portfolio at December 31, 2016 and September 30, 2016.

Non-Interest Income.  Non-interest income increased $3,000, or 0.2%, to $1.7 million for the three months ended December 31, 2016 from $1.7 million for the three months ended December 31, 2015. This increase was primarily related to increases in each of gains on sales of loans of $88,000 and servicing fee income of $88,000, offset by decreases in each of service fees on deposit accounts of $89,000, other income of $56,000 and insurance and securities sales commissions of $30,000. 

The increase in gain on sales of loans resulted from an increase in the volume of fixed rate mortgage loans sold on the secondary market during the quarter ended December 31, 2016. The increase in servicing fee income resulted primarily from the recovery of a portion of the valuation reserve on originated mortgage servicing rights as a result of the increase in market interest rates during the quarter. The decrease in service fees on deposit accounts resulted from lower interchange rates received on debit card transactions and slightly reduced overdraft activity on our checking accounts. The decrease in other income occurred because the 2015 quarter included a large prepayment penalty received on a commercial real estate loan. The decrease in insurance and securities sales commissions resulted from a reduced level of customer activity in this line of business.

Non-Interest Expense.  Non-interest expense increased $668,000, or 13.8%, to $5.5 million for the three months ended December 31, 2016, from $4.9 million for the three months ended December 31, 2015. This increase was primarily caused by increases in compensation and employee benefits of $578,000 and occupancy, furniture and equipment expense of $117,000. These increases were partially offset by a decrease in other expenses of $109,000 between the periods.

The increase in compensation and employee benefits resulted from an increase in the accrual for ESOP expense as we made an additional principal payment on our ESOP loan at the end of the ESOP plan year on December 31, 2016. The opening

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of our Madison loan production office in May 2016 resulted in increases to both compensation and employee benefits expense and occupancy, furniture and equipment expense between the periods. The decrease in other expense resulted from the reduction in real estate held for investment between the periods.

Provision for Income Taxes.  Income tax expense was $409,000 for the three months ended December 31, 2016, compared to $636,000 for the three months ended December 31, 2015.  The effective tax rate as a percent of pre-tax income was 35.4% and 38.0% for the three months ended December 31, 2016 and 2015, respectively. the decrease in the effective tax rate was the result of an increase in the average balance of tax-exempt securities to $28.5 million for the three months ended December 31, 2016 compared to $4.7 million for the three months ended December 31, 2015.

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Analysis of Net Interest Income

Net interest income represents the difference between the income we earn on interest-earning assets and the interest expense we pay on interest-bearing liabilities. Net interest income also depends upon the relative amounts of interest-earning assets and interest-bearing liabilities and the interest rates earned or paid on them.  The following tables set forth average balance sheets, average yields and costs, and certain other information for the periods indicated.  Average balances are derived from daily average balances for all periods presented in the table.  Non-accrual loans were included in the computation of average balances, but have been reflected in the tables as loans carrying a zero yield. No tax equivalent yield adjustments have been made.  The yields set forth below include the effect of loan fees, discounts and premiums that are amortized or accreted to interest income.

	For the Three Months Ended December 31,
	2016						2015
	Average Outstanding Balance		Interest		Yield/Cost		Average Outstanding Balance		Interest		Yield/Cost
Assets:
Loans	$	530,817	$	5,396	4.07	%	$	495,742	$	5,117	4.13	%
Taxable securities	72,684		364		2.00		79,710		423		2.12
Securities exempt from federal income taxes(1)	28,534		194		2.72		4,658		44		3.78
Fed funds sold and other interest-earning deposits	7,452		36		1.93		7,440		26		1.40
Total interest-earning assets	639,487		5,990		3.75	%	587,550		5,610		3.82	%
Noninterest-earning assets	68,727						45,896
Total assets	$	708,214					$	633,446
Liabilities and stockholders' equity:
Non interest-bearing demand deposits	$	117,650	$	—	—	%	$	108,720	$	—	—	%
Checking accounts	146,705		124		0.34		140,131		99		0.28
Passbook and statement savings	134,132		46		0.14		128,298		45		0.14
Variable rate money market	52,403		37		0.28		47,522		50		0.42
Certificates of deposit	150,330		460		1.22		123,648		364		1.18
Total interest bearing deposits	483,570		667		0.55		439,599		558		0.51
Total deposits	601,220		667		0.44		548,319		558		0.41
Short-term FHLB advances	239		—		0.28		20,587		8		0.16
Long-term FHLB advances	20,000		50		1.00		6,956		24		1.38
Total FHLB advances	20,239		50		0.99		27,543		32		0.46
Total deposits and interest-bearing liabilities	621,459		717		0.46	%	575,862		590		0.41	%
Other liabilities	10,517						9,107
Total liabilities	631,976						584,969
Stockholders' equity	76,238						78,477
Total liabilities and stockholders' equity	$	708,214					$	663,446
Net interest income			$	5,273					$	5,020
Net interest rate spread					3.29	%					3.41	%
Net interest-earning assets	$	18,028					$	11,688
Net interest margin					3.30	%					3.42	%
Average of interest-earning assets to interest-bearing liabilities					102.90	%					102.03	%

(1) Non-taxable investment income is presented on a fully tax equivalent basis assuming a 34% federal tax rate.

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Liquidity and Capital Resources

Our primary sources of funds are deposits, principal and interest payments on loans and securities, proceeds from the sale of loans, proceeds from maturities and calls of securities and Federal Home Loan Bank advances. While maturities and scheduled amortization of loans and securities are predictable sources of funds, deposit flows and mortgage prepayments are greatly influenced by general interest rates, economic conditions, and competition. Our most liquid assets are cash and short-term investments including interest-earning demand deposits. The levels of these assets are dependent on our operating, financing, lending, and investing activities during any given period.

Our cash flows are comprised of three primary classifications: cash flows from operating activities, investing activities, and financing activities.  Net cash used in operating activities was $3.6 million and $4.7 million for the three months ended December 31, 2016 and December 31, 2015, respectively.  Net cash used in investing activities, which consists primarily of disbursements for loan originations and the purchase of securities, offset by principal collections on loans, proceeds from the sale of securities and proceeds from maturing securities and pay downs on mortgage-backed securities, was $21.3 million and $8.9 million for the three months ended December 31, 2016 and December 31, 2015, respectively.  During the three months ended December 31, 2016, we purchased $15.2 million and sold $829,000 in securities held as available-for-sale, and during the three months ended December 31, 2015, we purchased $12.4 million and sold $5.2 million in securities held as available-for-sale.  Net cash provided by financing activities was $37.3 million and $37.2 million for the three months ended December 31, 2016 and December 31, 2015, respectively, and consisted principally of increases in deposit accounts and net FHLB borrowings offset by the purchase of Company stock.

At December, 2016, Westbury Bank exceeded all of its regulatory capital requirements with Tier 1 leverage capital of $72.0 million, or 10.17% of adjusted total assets, which is above the well-capitalized level of $35.4 million, or 5.00%; Common Equity Tier 1 capital of $72.0 million, or 12.1% of risk-weighted assets, which is above the well-capitalized level of $38.7 million, or 6.50%; Tier 1 capital of $72.0 million, or 12.10% of risk-weighted assets, which is above the well-capitalized level of $47.6 million, or 8.00%; and total risk-based capital of $77.5 million, or 13.01% of risk-weighted assets, which is above the well-capitalized level of $59.5 million, or 10.00%.  Accordingly, Westbury Bank was categorized as well-capitalized at December 31, 2016 under all Prompt Corrective Action Provisions as determined by the OCC, our primary regulator. 

At December 31, 2016, we had outstanding commitments to originate loans of $24.7 million, unused commercial lines of credit of $70.0 million, unused home equity lines of credit of $27.0 million, and stand-by letters of credit of $1.1 million.  We anticipate that we will have sufficient funds available to meet our current loan origination commitments.  Certificates of deposit that are scheduled to mature in less than one year from December 31, 2016 totaled $72.3 million.  Management expects that a substantial portion of the maturing certificates of deposit will be renewed.  However, if a substantial portion of these deposits is not retained, we may utilize FHLB advances or raise interest rates on deposits to attract new accounts, which may result in higher levels of interest expense.

Off-Balance Sheet Arrangements.  In the normal course of operations, we engage in a variety of financial transactions that, in accordance with GAAP, are not recorded in our financial statements.  These transactions involve, to varying degrees, elements of credit, interest rate and liquidity risk.  Such transactions are used primarily to manage customers’ requests for funding and generally take the form of loan commitments, lines of credit and standby letters of credit. These arrangements are not likely to have a material impact on the Company's financial condition or results of operations. We have not engaged in any other off-balance-sheet transactions in the normal course of our lending activities.

Impact of Inflation and Changing Prices

The financial statements and related data presented herein have been prepared in accordance with GAAP which require the measurement of financial position and operating results in terms of historical dollars without considering changes in the relative purchasing power of money over time due to inflation.  The primary impact of inflation on our operations is reflected in increased operating costs. Unlike most industrial companies, virtually all of the assets and liabilities of a financial institution are monetary in nature. As a result, interest rates, generally, have a more significant impact on a financial institution’s performance than does inflation. Interest rates do not necessarily move in the same direction or to the same extent as the prices of goods and services.

47

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Disclosures of quantitative and qualitative market risk are not required by smaller reporting companies, such as the Company.

ITEM 4. CONTROLS AND PROCEDURES

We maintain disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended) that are designed to ensure that information required to be disclosed in the reports that we file or submit under the Securities Exchange Act of 1934 is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms, and that the information required to be disclosed in reports that we file or submit under the Securities Exchange Act of 1934 is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

In designing and evaluating the disclosure controls and procedures, we recognize that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management necessarily was required to apply judgment in evaluating the cost-benefit relationship of possible controls and procedures. We have designed our disclosure controls and procedures to reach a level of reasonable assurance of achieving the

desired control objectives.

An evaluation was performed under the supervision and with the participation of the Company’s management, including the Chief Executive Officer and the Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures as of December 31, 2016. Based on that evaluation, the Company’s management, including the Chief Executive Officer and the Chief Financial Officer, concluded that the Company’s disclosure controls and procedures were effective as of December 31, 2016 at reaching a level of reasonable assurance.

During the quarter ended December 31, 2016, there have been no changes in the Company’s internal controls over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Securities and Exchange Act of 1934, as amended) that have materially affected, or are reasonably likely to materially affect, the Company’s internal controls over financial reporting.

48

PART II

ITEM 1. LEGAL PROCEEDINGS

We are not involved in any pending legal proceedings as a plaintiff or defendant other than routine legal proceedings occurring in the ordinary course of business, and at December 31, 2016, we were not involved in any legal proceedings, the outcome of which, in our reasonable opinion, would be material to our financial condition or results of operations.

ITEM 1A. RISK FACTORS

Disclosures of risk factors are not required by smaller reporting companies, such as the Company.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

(a) Unregistered Sales of Equity Securities.  None.

(b) Use of Proceeds.  None.

(c) Repurchase of Equity Securities. 

On February 9, 2016, the Company announced that its Board of Directors had authorized the repurchase of up to 422,906 shares of the Company's common stock, representing 10.00% of the Company's then outstanding shares. The shares may be purchased under the current repurchase program in the open market or in privately negotiated transactions from time to time depending on market conditions and other factors. As of December 31, 2016, 160,972 shares had been purchased under the current plan.

The table below sets forth Westbury Bancorp Inc.'s common stock repurchases during the three months ended December 31, 2016.

Period	(a) Total number of shares purchased(1)	(b) Average price paid per share		(c) Total number of shares purchased as part of publicly announced plans or programs	(d) Maximum number of shares that may yet be purchased under the plans or programs
October 1 - October 31, 2016	—	$	—	—	291,134
November 1 - November 30, 2016	—	—		—	291,134
December 1 - December 31, 2016	29,200	21.16		29,200	261,934
Total	29,200	$	21.16	29,200

______________________________________________________________________

(1) All shares were repurchased pursuant to the February 9, 2016 authorization.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

49

ITEM 5. OTHER INFORMATION

None.

ITEM 6. EXHIBITS

The exhibits required by Item 601 of Regulation S-K are included with this Form 10-Q and are listed on the “Index to Exhibits” immediately following the Signatures.

50

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Westbury Bancorp, Inc.

Date: January 24, 2017

/s/ Greg J. Remus

Greg J. Remus

President and Chief Executive Officer

/s/ Kirk J. Emerich

Kirk J. Emerich

Executive Vice President and Chief Financial Officer

51

INDEX TO EXHIBITS

Exhibit Number	Description
31.1	Certification of Greg J. Remus, President and Chief Executive Officer, Pursuant to Rule 13a-14(a) and Rule 15d-14(a)
31.2	Certification of Kirk J. Emerich, Executive Vice President and Chief Financial Officer, Pursuant to Rule 13a-14(a) and Rule 15d-14(a)
32	Certification of Greg J. Remus, President and Chief Executive Officer, and Kirk J. Emerich, Executive Vice President and Chief Financial Officer, Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.*
101	The following materials from the Company’s Quarterly Report on Form 10-Q for the quarter ended December 31, 2016, formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Balance Sheets; (ii) Consolidated Statements of Operations; (iii) Consolidated Statements of Comprehensive Income; (iv) Consolidated Statements of Changes in Stockholders' Equity; (v) Consolidated Statements of Cash Flows; and (vi) Notes to Unaudited Consolidated Financial Statements

_

* - This certification is not "filed" for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended, or incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities and Exchange Act of 1934, as amended.

______________________________________

52

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Greg J. Remus, certify that:

1) I have reviewed this quarterly report on Form 10-Q of Westbury Bancorp, Inc.;

2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3) Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4) The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5) The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors:

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: January 24, 2017

/s/ Greg J. Remus

Greg J. Remus

President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Kirk J. Emerich, certify that:

1) I have reviewed this quarterly report on Form 10-Q of Westbury Bancorp, Inc.;

2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3) Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4) The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5) The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors:

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: January 24, 2017

/s/ Kirk J. Emerich

Kirk J. Emerich

Executive Vice President and Chief Financial Officer

EX-32

Exhibit 32

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Westbury Bancorp, Inc. (the “Company”) on Form 10-Q for the period ended December 31, 2016 as filed with the Securities and Exchange Commission (the “Report”), the undersigned, Greg J. Remus, Chief Executive Officer of the Company, and Kirk J. Emerich, Executive Vice President and Chief Financial Officer of the Company, each certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to best of his knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Greg J. Remus
	Date: January 24, 2017
Greg J. Remus
President and Chief Executive Officer
/s/ Kirk J. Emerich
	Date: January 24, 2017
Kirk J. Emerich
Executive Vice President and Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to Westbury Bancorp, Inc. and will be retained by Westbury Bancorp, Inc. and furnished to the Securities and Exchange Commission or its staff upon request. This certification is made solely for purposes of 18 U.S.C. Section 1350, subject to the knowledge standard contained therein, and not for any other purpose.

XML

Document and Entity Information - shares	3 Months Ended
	Dec. 31, 2016	Jan. 24, 2017
Document and Entity Information
Entity Registrant Name	Westbury Bancorp, Inc.
Entity Central Index Key	0001553326
Document Type	10-Q
Document Period End Date	Dec. 31, 2016
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		4,072,892
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Assets
Cash and due from banks	$ 28,945	$ 19,125
Interest-earning deposits	13,051	10,488
Cash and cash equivalents	41,996	29,613
Securities available-for-sale	101,997	93,772
Securities held to maturity, at amortized cost ($2,316 and $2,392 fair value at December 31, 2016 and September 30, 2016, respectively)	2,293	2,293
Loans held for sale, at lower of cost or fair value	1,156	1,881
Loans, net of allowance for loan losses of $5,451 and $5,244 at December 31, 2016 and September 30, 2016, respectively	543,220	533,759
Federal Home Loan Bank stock, at cost	1,330	1,330
Foreclosed real estate	0	99
Office properties and equipment, net	15,508	15,410
Cash surrender value of bank-owned life insurance	14,347	14,233
Mortgage servicing rights	841	800
Deferred tax asset	6,210	5,425
Other assets	4,098	4,010
Total assets	732,996	702,625
Liabilities
Deposits	629,852	591,977
Long-term advances from Federal Home Loan Bank	20,000	20,000
Advance payments by borrowers for property taxes and insurance	550	5,455
Other liabilities	4,282	5,564
Total liabilities	654,684	622,996
Stockholders’ Equity
Preferred stock $0.01 par value, 50,000,000 shares authorized; none issued or outstanding	0	0
Common stock $0.01 par value, 100,000,000 shares authorized; 5,350,863 and 5,347,641 shares issued at December 31, 2016 and September 30, 2016, respectively	54	54
Additional paid-in capital	51,765	51,463
Retained earnings	52,932	52,185
Unearned Employee Stock Ownership Plan (ESOP) shares	(3,085)	(3,188)
Accumulated other comprehensive gain (loss)	(1,290)	561
Less common stock repurchased, 1,278,323 and 1,249,123 shares at cost, at December 31, 2016 and September 30, 2016, respectively	(22,064)	(21,446)
Total stockholders’ equity	78,312	79,629
Total liabilities and stockholders’ equity	$ 732,996	$ 702,625

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Statement of Financial Position [Abstract]
Securities held to maturity, fair value	$ 2,316	$ 2,392
Allowance for loan losses	$ 5,451	$ 5,244
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	5,350,863	5,347,641
Treasury stock, shares	1,278,323	1,249,123

XML

Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Interest and dividend income:
Loans	$ 5,396	$ 5,117
Investments - nontaxable	128	29
Investments - taxable	364	423
Interest bearing deposits	36	26
Total interest and dividend income	5,924	5,595
Interest expense:
Deposits	667	558
Short-term advances from the Federal Home Loan Bank	0	8
Long-term advances from the Federal Home Loan Bank	50	24
Total interest expense	717	590
Net interest income before provision for loan losses	5,207	5,005
Provision for loan losses	200	150
Net interest income after provision for loan losses	5,007	4,855
Noninterest income:
Service fees on deposit accounts	989	1,078
Gain on sales of loans, net	215	127
Servicing fee income, net of amortization and impairment	125	37
Insurance and securities sales commissions	43	73
Gain on sales of securities	4	2
Increase in cash surrender value of bank-owned life insurance	114	110
Rental income from real estate operations	103	113
Other income	75	131
Total noninterest income	1,668	1,671
Noninterest expenses:
Compensation and employee benefits	2,942	2,364
Occupancy, furniture and equipment	536	419
Data processing	806	747
Professional Fees	293	268
FDIC insurance premiums	102	104
Other expenses	840	949
Total noninterest expenses	5,519	4,851
Income before income tax expense	1,156	1,675
Income tax expense	409	636
Net income	$ 747	$ 1,039
Earnings per share:
Basic (in dollars per share)	$ 0.20	$ 0.27
Diluted (in dollars per share)	$ 0.20	$ 0.27

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 747	$ 1,039
Other comprehensive income, before tax:
Unrealized loss on available-for-sale securities	(3,042)	(969)
Reclassification adjustment for realized gains included in net income	(4)	(2)
Other comprehensive loss, before tax	(3,046)	(971)
Income tax benefit related to items of other comprehensive loss	1,195	381
Other comprehensive loss, net of tax	(1,851)	(590)
Comprehensive income (loss)	$ (1,104)	$ 449

XML

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid In Capital	Retained Earnings	Unearned ESOP Shares	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Balance at Sep. 30, 2015	$ 78,812	$ 0	$ 53	$ 50,145	$ 48,714	$ (3,548)	$ 352	$ (16,904)
Increase (Decrease) in Stockholders' Equity
Net income	1,039	0			1,039
Other comprehensive income (loss), net of tax	(590)						(590)
Exercise of 4,457 stock options	64		0	64
Repurchase of 27,994 and 55061 shares, respectively, of common stock	(506)							(506)
Stock based compensation expense	208			208
Allocation,or commitment to be allocated, of 5,142 shares by ESOP	91			40		51
Balance at Dec. 31, 2015	79,118	0	53	50,457	49,753	(3,497)	(238)	(17,410)
Balance at Sep. 30, 2016	79,629	0	54	51,463	52,185	(3,188)	561	(21,446)
Increase (Decrease) in Stockholders' Equity
Net income	747	0			747
Other comprehensive income (loss), net of tax	(1,851)						(1,851)
Exercise of 4,457 stock options	0
Repurchase of 27,994 and 55061 shares, respectively, of common stock	(618)							(618)
Stock based compensation expense	198			198
Allocation,or commitment to be allocated, of 5,142 shares by ESOP	207	0		104		103
Balance at Dec. 31, 2016	$ 78,312	$ 0	$ 54	$ 51,765	$ 52,932	$ (3,085)	$ (1,290)	$ (22,064)

XML

Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - shares	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Statement of Stockholders' Equity [Abstract]
Number of shares allocated by ESOP	10,285	5,142
Exercised (shares)	0	4,298
Number of shares repurchased during period	29,200	25,913

XML

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash Flows From Operating Activities
Net income	$ 747	$ 1,039
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	200	150
Depreciation and amortization	123	192
Depreciation on real estate held for investment	0	22
Net amortization of securities premiums and discounts	212	120
Amortization and impairment of mortgage servicing rights	(41)	74
Gain on sales of available-for-sale securities	(4)	(2)
Write-down of real estate held-for-sale	0	47
(Gain) loss on sale of foreclosed real estate	3	(20)
Write-down of foreclosed real estate	9	26
Loans originated for sale	(12,092)	(8,957)
Proceeds from sale of loans	13,032	8,542
Gain on sale of loans, net	(215)	(127)
ESOP compensation expense	207	91
Stock based compensation expense	198	208
Deferred income taxes	410	636
Increase in cash surrender value of life insurance	(114)	(110)
Net change in:
Other assets	(88)	(391)
Other liabilities and advance payments by borrowers for property taxes and insurance	(6,187)	(6,282)
Net cash used in operating activities	(3,600)	(4,742)
Cash Flows From Investing Activities
Purchases of securities available-for-sale	(15,226)	(12,375)
Proceeds from sales of securities available-for-sale	829	5,219
Proceeds from maturities, prepayments, and calls of securities available-for-sale	2,918	2,116
Net increase in loans	(9,661)	(3,270)
Purchase of bank-owned life insurance	0	(637)
Purchases of office properties and equipment	(221)	(57)
Proceeds from sales of real estate held-for-sale	0	27
Proceeds from sales of foreclosed real estate	87	109
Net cash used in investing activities	(21,274)	(8,868)
Cash Flows From Financing Activities
Net increase in deposits	37,875	25,124
Proceeds from long-term Federal Home Loan Bank advances	0	10,000
Net proceeds of short-term Federal Home Loan Bank advances	0	2,500
Exercise of 4,457 stock options	0	64
Repurchase of common stock	(618)	(506)
Net cash provided by financing activities	37,257	37,182
Net increase in cash and cash equivalents	12,383	23,572
Cash and cash equivalents at beginning of period	29,613	16,488
Cash and cash equivalents at end of period	41,996	40,060
Supplemental Disclosures of Cash Flow Information
Interest paid (including amounts credited to deposits)	$ 715	$ 589

XML

Basis of Presentation

3 Months Ended

Dec. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

 The accompanying unaudited consolidated financial statements of Westbury Bancorp, Inc. and its wholly-owned subsidiary, Westbury Bank, (the "Bank", and collectively, the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 8-03 of Regulation S-X.  Accordingly, certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Estimates used in the preparation of the financial statements are based on various factors including the current interest rate environment and the general strength of the local economy.  Changes in the overall interest rate environment can significantly affect the Company’s net interest income and the value of its recorded assets and liabilities.  Actual results could differ from those estimates used in the preparation of the financial statements.  Certain prior period amounts have been reclassified to conform to current period presentation.  These reclassifications did not result in any changes to previously reported net income or stockholders’ equity.

In the opinion of management, the accompanying unaudited financial statements contain all adjustments (consisting only of normal recurring accruals) necessary to present fairly the Company’s financial condition as of December 31, 2016 and September 30, 2016 and the results of operations and cash flows for the interim periods ended December 31, 2016 and 2015.  All interim amounts are unaudited, and the results of operations for the interim periods herein are not necessarily indicative of the results of operations to be expected for the year.  These financial statements should be read in conjunction with the Company’s audited financial statements and notes thereto for the year ended September 30, 2016 filed with the U.S. Securities and Exchange Commission as part of Westbury Bancorp, Inc.’s Annual Report on Form 10-K for the year ended September 30, 2016.

The Jumpstart Our Business Startups Act (the "JOBS Act"), which was signed into law on April 5, 2012, made numerous changes to the federal securities laws to facilitate access to capital markets. Under the JOBS Act, a company with total annual gross revenues of less than $1.0 billion during its most recently completed fiscal year qualifies as an “emerging growth company.” The Company qualifies as an “emerging growth company” and believes that it will continue to qualify as an “emerging growth company” until five years from the completion of the Company's initial public stock offering in April 2013.

As an “emerging growth company,” the Company has elected to use the extended transition period to delay adoption of new or revised accounting pronouncements applicable to public companies until such pronouncements are made applicable to private companies. Accordingly, the financial statements may not be comparable to the financial statements of companies that comply with such new or revised accounting standards.

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Recent Accounting Developments

3 Months Ended

Dec. 31, 2016

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent Accounting Developments

Recent Accounting Developments

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). ASU 2014-09 is intended to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP. ASU 2014-09 is effective for annual reporting periods beginning after December 15, 2018 and interim periods within annual periods beginning after December 15, 2019. Adoption by the Company is not expected to have a material impact on the consolidated financial statements and related disclosures.

In January 2016, the FASB issued ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities. ASU 2016-01 is intended to enhance the reporting model for financial instruments to provide users of financial statements with more decision-useful information. ASU 2016-01 is effective for annual periods beginning after December 15, 2018, and interim periods within those annual periods beginning after December 15, 2019. Adoption by the Company is not expected to have a material impact on the consolidated financial statements and related disclosures.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). ASU 2016-02 is intended to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. ASU 2016-02 is effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. The Company is evaluating the potential impact of ASU 2016-02 on the consolidated financial statements and related disclosures.

In March 2016, the FASB issued ASU 2016-09, Compensation - Stock Compensation (Topic 718). ASU 2016-09 is intended to simplify the accounting for share-based payment transactions, including income tax consequences, classification of awards as either assets or liabilities and classification on the statement of cash flows. ASU 2016-09 is effective for annual periods beginning after December 15, 2017 and interim periods within annual periods beginning after December 15, 2018. Early adoption is permitted. Adoption by the Company is not expected to have a material impact on the consolidated financial statements and related disclosures.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326). ASU 2016-13 is intended to provide financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity. ASU 2016-13 replaces the "incurred loss impairment methodology" with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. ASU 2016-13 is effective for annual periods and interim periods within those annual periods beginning after December 15, 2019. The Company is evaluating the potential impact of ASU 2016-13 on the consolidated financial statements and related disclosures.

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Earnings Per Share

3 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Earnings per common share is computed using the two-class method. Basic earnings per common share is computed by dividing net income by the weighted-average number of common shares outstanding, adjusted for weighted average unallocated ESOP shares, during the applicable period, excluding outstanding participating securities. Participating securities include non-vested restricted stock awards to the extent holders of these securities are entitled to receive non-forfeitable dividends or dividend equivalents at the same rate as holders of the Company's common stock. Diluted earnings per share is computed using the weighted-average number of shares determined for the basic earnings per common share computation plus the dilutive effect of stock compensation using the treasury stock method.

The following table presents a reconciliation of the number of shares used in the calculation of basic and diluted earnings per common share (in thousands, except share and per share data).

	Three Months Ended December 31,
	2016			2015
Net income	$	747		$	1,039
Basic potential common shares:
Weighted average shares outstanding	3,976,765			4,166,780
Weighted average unallocated ESOP shares	(315,414		)	(353,122		)
Basic weighted average shares outstanding	3,661,351			3,813,658
Dilutive effect of equity awards	78,082			30,274
Diluted weighted average shares outstanding	3,739,433			3,843,932
Basic income per share	$	0.20		$	0.27
Diluted income per share	$	0.20		$	0.27

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Investment Securitites

3 Months Ended

Dec. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities

The amortized cost and fair value of investment securities are summarized as follows:

	December 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale
U.S. Government and agency securities	$	25	$	—	$	—		$	25
U.S. Government agency residential mortgage-backed securities	45,355		94		(933		)	44,516
U.S. Government agency collateralized mortgage obligations	4,088		3		(126		)	3,965
U.S. Government agency commercial mortgage-backed securities	13,839		19		(48		)	13,810
Municipal securities-tax exempt	28,068		4		(1,079		)	26,993
Municipal securities-taxable	12,745		29		(86		)	12,688
Total Available for Sale	104,120		149		(2,272		)	101,997
Held to Maturity
Municipal securities-tax exempt	2,293		25		(2		)	2,316
Total Investment Securities	$	106,413	$	174	$	(2,274	)	$	104,313
	September 30, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale
U.S. Government and agency securities	$	24	$	1	$	—		$	25
U.S. Government agency residential mortgage-backed securities	40,289		504		(43		)	40,750
U.S. Government agency collateralized mortgage obligations	2,674		24		(18		)	2,680
U.S. Government agency commercial mortgage-backed securities	11,376		150		—			11,526
Municipal securities-tax exempt	25,730		51		(99		)	25,682
Municipal securities-taxable	12,756		358		(5		)	13,109
Total Available for Sale	92,849		1,088		(165		)	93,772
Held to Maturity
Municipal securities-tax exempt	2,293		99		—			2,392
Total Investment Securities	$	95,142	$	1,187	$	(165	)	$	96,164

The amortized cost and fair value of investment securities, by contractual maturity, at December 31, 2016 are shown in the following table.  Actual maturities differ from contractual maturities for mortgage-backed securities and collateralized mortgage obligations because the mortgages underlying the securities may be called or repaid without penalty.  Therefore, these securities are not presented in the maturity categories in the table below.

	December 31, 2016
	Amortized Cost		Fair Value
Available for sale:
Due in one year or less	$	563	$	564
Due after one year through five years	12,880		12,766
Due after five years through ten years	21,607		20,830
Due after ten years	5,788		5,546
U.S. Government agency residential mortgage-backed securities	45,355		44,516
U.S. Government agency collateralized mortgage obligations	4,088		3,965
U.S. Government agency commercial mortgage-backed securities	13,839		13,810
	104,120		101,997
Held to maturity:
Due in one year or less	168		168
Due after one year through five years	703		701
Due after five years through ten years	982		999
Due after ten years	440		448
	2,293		2,316
Total	$	106,413	$	104,313

Proceeds from sales of securities available for sale during the three months ended December 31, 2016 and 2015, were $829 and $5,219, respectively. Gross realized gains, during the three months ended December 31, 2016 and 2015, on these sales amounted to $4 and $12, respectively. Gross realized losses on these sales were $0 and $10, during the three months ended December 31, 2016 and 2015, respectively.

Securities with carrying values of $28,434 and $24,364 at December 31, 2016 and September 30, 2016, respectively, were pledged for purposes required or permitted by law.

Information pertaining to securities with gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, are summarized as follows:

	December 31, 2016
	Less than 12 Months					12 Months or Longer					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government and agency securities	$	—	$	—		$	—	$	—		$	—	$	—
U.S. Government agency residential mortgage-backed securities	34,517		(870		)	2,868		(63		)	37,385		(933		)
U.S. Government agency collateralized mortgage obligations	2,511		(91		)	523		(35		)	3,034		(126		)
U.S Government agency commercial mortgage-backed securities	9,965		(48		)	—		—			9,965		(48		)
Municipal securities-tax exempt	26,382		(1,079		)	—		—			26,382		(1,079		)
Municipal securities-taxable	8,658		(86		)	—		—			8,658		(86		)
Total Available for Sale	$	82,033	$	(2,174	)	$	3,391	$	(98	)	$	85,424	$	(2,272	)
Held to Maturity
Municipal securities-tax exempt	688		(2		)	—		—			688		(2		)
Total Investment Securities	$	82,721	$	(2,176	)	$	3,391	$	(98	)	$	86,112	$	(2,274	)

	September 30, 2016
	Less than 12 Months					12 Months or Longer					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government and agency securities	$	—	$	—		$	—	$	—		$	—	$	—
U.S. Government agency residential mortgage-backed securities	2,726		(5		)	3,020		(38		)	5,746		(43		)
U.S. Government agency collateralized mortgage obligations	—		—			576		(18		)	576		(18		)
U.S. Government agency commercial mortgage-backed securities	—		—			—		—			—		—
Municipal securities-tax exempt	18,314		(99		)	—		—			18,314		(99		)
Municipal securities-taxable	550		(5		)	—		—			550		(5		)
Total Available for Sale	$	21,590	$	(109	)	$	3,596	$	(56	)	$	25,186	$	(165	)
Held to Maturity
Municipal securities-tax exempt	—		—			—		—			—		—
Total Investment Securities	$	21,590	$	(109	)	$	3,596	$	(56	)	$	25,186	$	(165	)

At December 31, 2016, the investment portfolio included 5 securities available-for-sale which had been in an unrealized loss position for greater than twelve months and 148 securities available-for-sale and 4 securities held-to-maturity, which had been in an unrealized loss position for less than twelve months. At September 30, 2016, the investment portfolio included 5 securities available-for-sale, which had been in an unrealized loss position for greater than twelve months, and 58 securities available-for-sale, which had been in an unrealized loss position for less than twelve months.

These securities are considered to be acceptable credit risks. Based upon an evaluation of the available evidence, including recent changes in market rates, credit rating information and information obtained from regulatory filings, management believes the decline in fair value for these securities is temporary. In addition, the Company does not intend to sell these investment securities for a period of time sufficient to allow for anticipated recovery. The Company does not have any current requirement to sell its investment in the issuer prior to any anticipated recovery in fair value.

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Loans

3 Months Ended

Dec. 31, 2016

Loans and Leases Receivable Disclosure [Abstract]

Loans

Loans

A summary of the balances of loans as of the dates indicated follows:

	December 31, 2016		September 30, 2016
Real estate:
Single family	$	152,391	$	158,541
Multifamily	115,946		123,623
Commercial real estate non-owner occupied	127,574		117,971
Commercial real estate owner occupied	69,973		63,108
Construction and land development	19,195		16,230
Total real estate	485,079		479,473
Commercial business	45,025		40,836
Consumer:
Home equity lines of credit	14,906		14,969
Education	3,280		3,401
Other	480		462
Total consumer	18,666		18,832
Total loans	548,770		539,141
Less:
Net deferred loan fees	99		138
Allowance for loan losses	5,451		5,244
Net loans	$	543,220	$	533,759

The following tables present the contractual aging of the Company's recorded investment in past due loans by class of loans as of December 31, 2016 and September 30, 2016:

December 31, 2016	Current		30-59 Days Past Due		60-89 Days Past Due		Loans Past Due 90 Days or More		Total
Single family	$	151,010	$	655	$	400	$	326	$	152,391
Multifamily	115,930		16		—		—		115,946
Commercial real estate non-owner occupied	127,574		—		—		—		127,574
Commercial real estate owner occupied	69,973		—		—		—		69,973
Construction and land development	19,195		—		—		—		19,195
Commercial business	45,025		—		—		—		45,025
Consumer and other:
Home equity lines of credit	14,879		—		—		27		14,906
Education	3,023		107		12		138		3,280
Other	480		—		—		—		480
	$	547,089	$	778	$	412	$	491	$	548,770

September 30, 2016	Current		30-59 Days Past Due		60-89 Days Past Due		Loans Past Due 90 Days or More		Total
Single family	$	157,803	$	239	$	426	$	73	$	158,541
Multifamily	123,623		—		—		—		123,623
Commercial real estate non-owner occupied	117,971		—		—		—		117,971
Commercial real estate owner occupied	63,108		—		—		—		63,108
Construction and land development	16,230		—		—		—		16,230
Commercial business	40,836		—		—		—		40,836
Consumer and other:
Home equity lines of credit	14,942		—		—		27		14,969
Education	3,202		11		39		149		3,401
Other	462		—		—		—		462
	$	538,177	$	250	$	465	$	249	$	539,141

There were no loans past due ninety days or more and still accruing interest as of December 31, 2016 and September 30, 2016.

The following table presents the recorded investment in nonaccrual loans by class of loans as of December 31, 2016 and September 30, 2016:

	December 31, 2016		September 30, 2016
Single family	$	518	$	338
Multifamily	—		—
Commercial real estate non-owner occupied	—		—
Commercial real estate owner occupied	—		—
Construction and land development	—		—
Commercial business	—		—
Consumer and other:
Home equity lines of credit	35		36
Education	150		188
Other	—		—
	$	703	$	562

As part of the on-going monitoring of the credit quality of the Company’s loan portfolio, management categorizes loans into risk categories based on relevant information about the ability of the borrowers to service their debt and comply with various terms of their underlying loan agreements.  The Company considers current financial information, historical payment experience, credit documentation, public information and current economic trends when catgorizing its loans into risk categories.  Generally, all sizable credits receive a financial review no less than annually to monitor and adjust, if necessary, the credit’s risk profile.  Credits classified as special mention, substandard or doubtful generally receive a review quarterly.

The Company categorizes loans into the following risk categories based on relevant information about the ability of borrowers to service their debt:

Pass — A pass asset is well protected by the current worth and paying capacity of the obligor (or guarantors, if any) or by the fair value, less costs to acquire and sell in a timely manner, of any underlying collateral.

Watch — A watch asset has potential weaknesses that deserve management’s close attention.  If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the Company’s credit position at some future date. Watch assets are not adversely classified and do not expose the Company to sufficient risk to warrant further classification.

Special Mention — A special mention asset has characteristics of deterioration in quality exhibited by any number of well-defined weaknesses requiring significant corrective action.  The repayment ability of the borrower has not been validated, or has become marginal or weak, and the loan may have exhibited some overdue payments or payment extensions and/or renewals.

Substandard — A substandard asset is an asset with a well-defined weakness that jeopardizes repayment, in whole or in part, of the debt.  These credits are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged.  These assets are characterized by the distinct possibility that the Company will or has sustained some loss of principal and/or interest if the deficiencies are not corrected.

Doubtful — A doubtful asset is an asset that has all the weaknesses inherent in the substandard classification with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable.  These credits have a high probability for loss, yet because certain important and reasonably specific pending factors may work toward the strengthening of the asset, its classification of loss is deferred until its more exact status can be determined.

Homogeneous loan types are assessed for credit quality based on the contractual aging status of the loan and payment activity.  In certain cases, based upon payment performance, the loan being related with another commercial type loan or for other reasons, a loan may be categorized into one of the risk categories noted above.  Such assessment is completed at the end of each reporting period.

The following tables present the risk category of loans evaluated by internal asset classification based on the most recent analysis performed and the contractual aging of our loan portfolio as of December 31, 2016 and September 30, 2016:

December 31, 2016	Pass		Watch		Special Mention		Substandard		Doubtful		Total
Single family	$	149,654	$	739	$	—	$	1,998	$	—	$	152,391
Multifamily	114,224		1,722		—		—		—		115,946
Commercial real estate non-owner occupied	126,499		1,075		—		—		—		127,574
Commercial real estate owner occupied	66,899		2,238		—		836		—		69,973
Construction and land development	19,194		—		—		1		—		19,195
Commercial business	35,607		8,884		—		534		—		45,025
Consumer and other:
Home equity lines of credit	14,812		—		—		94		—		14,906
Education	3,280		—		—		—		—		3,280
Other	480		—		—		—		—		480
Total	$	530,649	$	14,658	$	—	$	3,463	$	—	$	548,770

September 30, 2016	Pass		Watch		Special Mention		Substandard		Doubtful		Total
Single family	$	156,042	$	744	$	—	$	1,755	$	—	$	158,541
Multifamily	121,878		1,745		—		—		—		123,623
Commercial real estate non-owner occupied	116,880		695		396		—		—		117,971
Commercial real estate owner occupied	59,993		3,115		—		—		—		63,108
Construction and land development	16,228		—		—		2		—		16,230
Commercial business	31,677		8,945		214		—		—		40,836
Consumer and other:
Home equity lines of credit	14,874		—		—		95		—		14,969
Education	3,401		—		—		—		—		3,401
Other	462		—		—		—		—		462
	$	521,435	$	15,244	$	610	$	1,852	$	—	$	539,141

The following tables provide additional detail of the activity in the allowance for loan losses, by portfolio segment, for the three months ended December 31, 2016 and 2015:

Three Months Ended December 31, 2016	Single Family			Multifamily			Commercial Real Estate - Non-owner Occupied		Commercial Real Estate - Owner-Occupied		Construction and Land  Development		Commercial Business		Consumer and Other			Total
Allowance for loan losses:
Beginning balance	$	980		$	1,015		$	1,519	$	813	$	344	$	500	$	73		$	5,244
Provision for loan losses	(57		)	(32		)	65		129		59		39		(3		)	200
Loans charged-off	—			—			—		—		—		—		—			—
Recoveries	—			—			—		—		—		5		2			7
Ending balance	$	923		$	983		$	1,584	$	942	$	403	$	544	$	72		$	5,451
Period-ended amount allocated for:
Individually evaluated for impairment	$	3		$	—		$	—	$	—	$	—	$	—	$	51		$	54
Collectively evaluated for impairment	920			983			1,584		942		403		544		21			5,397
Ending balance	$	923		$	983		$	1,584	$	942	$	403	$	544	$	72		$	5,451
Loans:
Individually evaluated for impairment	$	1,447		$	1,722		$	—	$	—	$	—	$	—	$	86		$	3,255
Collectively evaluated for impairment	150,944			114,224			127,574		69,973		19,195		45,025		18,580			545,515
Ending balance	$	152,391		$	115,946		$	127,574	$	69,973	$	19,195	$	45,025	$	18,666		$	548,770

Three Months Ended December 31, 2015	Single Family			Multifamily		Commercial Real Estate - Non-owner Occupied		Commercial Real Estate - Owner-Occupied		Construction and Land  Development		Commercial Business			Consumer and Other			Total
Allowance for loan losses:
Beginning balance	$	1,073		$	1,013	$	1,091	$	513	$	330	$	498		$	80		$	4,598
Provision for loan losses	(42		)	327		31		16		14		(200		)	4			150
Loans charged-off	—			—		—		—		—		—			(10		)	(10		)
Recoveries	—			—		—		1		—		4			4			9
Ending balance	$	1,031		$	1,340	$	1,122	$	530	$	344	$	302		$	78		$	4,747
Period-ended amount allocated for:
Individually evaluated for impairment	$	23		$	—	$	—	$	—	$	—	$	—		$	55		$	78
Collectively evaluated for impairment	1,008			1,340		1,122		530		344		302			23			4,669
Ending balance	$	1,031		$	1,340	$	1,122	$	530	$	344	$	302		$	78		$	4,747
Loans:
Individually evaluated for impairment	$	1,605		$	1,816	$	—	$	—	$	—	$	—		$	94		$	3,515
Collectively evaluated for impairment	149,385			116,873		112,482		51,033		17,163		31,866			19,277			498,079
Ending balance	$	150,990		$	118,689	$	112,482	$	51,033	$	17,163	$	31,866		$	19,371		$	501,594

 The following tables present additional detail of impaired loans, segregated by segment, as of and for the three month periods ended December 31, 2016 and 2015.  The unpaid principal balance represents the recorded balance prior to any partial charge-offs.  The recorded investment represents customer balances net of any partial charge-offs recognized on the loans by loan category.  The interest income recognized column represents all interest income on a loan reported on either a cash or accrual basis after the loan became impaired.

							Three months ended
December 31, 2016	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Single family	$	1,309	$	1,174	$	—	$	1,315	$	12
Multifamily	1,764		1,722		—		1,734		18
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	4		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	114		35		—		36		—
With an allowance recorded:
Single family	273		273		3		137		5
Multifamily	—		—		—		—		—
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	—		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	51		51		51		52		1
	$	3,515	$	3,255	$	54	$	3,274	$	36

							Three months ended
December 31, 2015	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Single family	$	1,338	$	1,194	$	—	$	1,189	$	14
Multifamily	1,889		1,816		—		1,824		19
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	—		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	117		39		—		105		—
With an allowance recorded:
Single family	411		411		23		412		3
Multifamily	—		—		—		—		—
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	—		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	55		55		55		55		1
	$	3,810	$	3,515	$	78	$	3,585	$	37

The following is a summary of troubled debt restructured loans (TDRs) at December 31, 2016 and September 30, 2016:

	December 31, 2016		September 30, 2016
Troubled debt restructurings - accrual	$	2,719	$	3,021
Troubled debt restructurings - nonaccrual	—		—
	$	2,719	$	3,021

Modifications of loan terms as a TDR are generally in the form of an extension of payment terms or a lowering of the interest rate, although occasionally the Bank has reduced the outstanding principal balance.

There were no loans modified as a TDR during the three months ended December 31, 2016 and 2015.

There were no re-defaults of TDRs that occurred during the three months ended December 31, 2016 and 2015.

Certain of the Bank’s directors and executive officers are loan customers of the Bank.  As of December 31, 2016 and September 30, 2016, loans of approximately $9,747 and $7,813, respectively, were outstanding to such parties.  These loans were made on substantially the same terms as those prevailing for comparable transactions with other persons and do not involve more than the normal risk of collectability.

An analysis of such loans is as follows:

	Three Months Ended December 31, 2016
Balance, beginning	$	7,813
New loans originated	2,468
Draws on lines of credit	29
Principal repayments	(563		)
Balance, ending	$	9,747

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Deposits

3 Months Ended

Dec. 31, 2016

Deposits [Abstract]

Deposits

Deposits

The following table presents the composition of deposits as of:

	December 31, 2016				September 30, 2016
	Amount		Percent		Amount		Percent
Checking Accounts:
Noninterest bearing	$	127,670	20.27	%	$	111,841	18.89	%
Interest bearing	141,089		22.40	%	135,866		22.95	%
	268,759		42.67	%	247,707		41.84	%
Passbook and Statement Savings	134,214		21.31	%	133,155		22.50	%
Variable Rate Money Market Accounts	71,309		11.32	%	64,593		10.91	%
Certificates of Deposit	155,570		24.70	%	146,522		24.75	%
	$	629,852	100.00	%	$	591,977	100.00	%

Certificate accounts equal to or over one hundred thousand dollars totaled $97,293 and $89,588 as of December 31, 2016 and September 30, 2016, respectively. Of these amounts, $29,146 and $26,154 are equal to or greater than two hundred fifty thousand dollars as of December 31, 2016 and September 30, 2016, respectively.

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Regulatory Capital

3 Months Ended

Dec. 31, 2016

Regulatory Capital Requirements [Abstract]

Regulatory Capital

Regulatory Capital

The Bank is subject to capital requirements adopted by the Office of the Comptroller of the Currency ("OCC"). These requirements include a ratio for common equity Tier 1 ("CETI") capital, a leverage ratio and Tier 1 capital ratios and an additional capital conservation buffer over these required capital ratios. Failure to maintain the required capital conservation buffer limits the ability of the Bank to pay dividends, repurchase shares or pay discretionary bonuses. The Company is exempt from consolidated capital requirements as those requirements do not apply to certain small savings and loan holding companies with assets under $1 billion.

Under the capital regulations, the minimum capital ratios are: (1) CETI capital ratio of 4.5% of risk-weighted assets; (2) a Tier 1 capital ratio of 6.0% of risk-weighted assets; (3) a total capital ratio of 8.0% of risk-weighted assets; and (4) a leverage ratio of 4.0%. CETI generally consists of common stock and retained earnings, subject to applicable regulatory adjustments and deductions.

In addition to the minimum CETI, Tier 1 and total capital ratios, the Bank is required to maintain a capital conservation buffer consisting of additional CETI capital greater than 2.5% of risk-weighted assets above the required minimum levels in order to avoid limitations on paying dividends, engaging in share repurchases, and paying discretionary bonuses based on percentages of eligible retained income that could be utilized for such actions. This new capital conservation buffer requirement is being phased in for the Bank beginning in January 2016 at 0.625% of risk-weighted assets and increases by the same amount each year until fully implemented in January 2019.

The OCC's prompt corrective action standards changed effective January 1, 2015. Under the new standards, in order to be considered well-capitalized, the Bank must have a CETI ratio of 6.5%, a Tier 1 ratio of 8.0%, a total risk-based capital ratio of 10.0% and a leverage ratio of 5.0%. As of December 31, 2016 the Bank met all these requirements, including the full capital conservation buffer.

The Bank’s actual capital amounts and ratios and those required by the regulatory standards are presented in the following tables. We have included the 0.625% increase for 2016 in our minimum capital adequacy rations in the tables below.

At December 31, 2016	Actual				For Capital Adequacy Purposes Under Prompt Corrective Action Provisions				For Capital Adequacy Purposes with Capital Buffer				To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
CETI capital (to risk-weighted assets) - Westbury Bank	$	72,012	12.1	%	$	26,786	4.50	%	$	30,507	5.125	%	$	38,692	6.50	%
Tier 1 capital (to risk-weighted assets) - Westbury Bank	72,012		12.10	%	35,715		6.00	%	39,436		6.625	%	47,620		8.00	%
Total capital (to risk-weighted assets) - Westbury Bank	77,463		13.01	%	47,620		8.00	%	51,341		8.625	%	59,525		10.00	%
Leverage (to adjusted total assets) - Westbury Bank	72,012		10.17	%	28,323		4.00	%	N/A		N/A		35,404		5.00	%

At September 30, 2016	Actual				For Capital Adequacy Purposes Under Prompt Corrective Action Provisions				For Capital Adequacy Purposes with Capital Buffer				To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
CET1 capital (to risk-weighted assets) - Westbury Bank	$	71,383	12.61	%	$	25,472	4.50	%	$	29,010	5.125	%	$	36,793	6.50	%
Tier 1 capital (to risk-weighted assets) - Westbury Bank	71,383		12.61	%	33,963		6.00	%	37,500		6.625	%	45,283		8.00	%
Total capital (to risk-weighted assets) - Westbury Bank	76,627		13.54	%	45,283		8.00	%	48,821		8.625	%	56,604		10.00	%
Leverage (to adjusted total assets) - Westbury Bank	71,383		10.23	%	27,911		4.00	%	N/A		N/A		34,889		5.00	%

The following table reconciles the Bank’s stockholder's equity to regulatory capital as of December 31, 2016 and September 30, 2016:

	December 31, 2016			September 30, 2016
Stockholder's equity of the Bank	$	72,020		$	73,332
Less: Unrealized (gain) loss on securities	1,290			(561		)
Disallowed deferred tax assets	(1,298		)	(1,388		)
Tier 1, CETI and leverage capital	72,012			71,383
Plus: Allowable general valuation allowances	5,451			5,244
Total capital	$	77,463		$	76,627

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Commitments

3 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Commitments

Commitments and Contingencies

The Company is a party to financial instruments with off-balance-sheet risk in the normal course of business to meet the financing needs of its customers.  These financial instruments include commitments to extend credit and involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the accompanying consolidated balance sheets.  The contractual amounts of those instruments reflect the extent of involvement the Company has in particular classes of financial instruments.

The Company’s exposure to credit loss in the event of nonperformance by the other party to the financial instruments for commitments to extend credit is represented by the contractual amount of those instruments.  The Company uses the same credit policies in making commitments and conditional obligations as it does for on-balance-sheet instruments.

The following off-balance sheet instruments were outstanding whose contract amounts represent credit risk:

	December 31, 2016		September 30, 2016
Commitments to extend commercial and residential mortgage credit:
Fixed rate	$	17,776	$	2,013
Adjustable rate	6,909		1,442
Unused commercial loan lines of credit	69,995		68,752
Unused home equity line of credit	27,045		27,315
Standby letters of credit	1,122		1,076
Commitment to sell loans	1,156		1,881

Commitments to extend credit are agreements to lend funds to a customer as long as there is no violation of any condition established in the underlying contract.  Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee.  As some such commitments expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements.  The Company evaluates each customer’s creditworthiness on a case-by-case basis.  The Company generally extends credit only on a secured basis.

Unfunded commitments under lines of credit are commitments for possible future extensions of credit to existing customers.  These lines of credit ultimately may not be drawn upon to the total extent to which the Company is committed.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party.  Those letters of credit are primarily issued to support public and private borrowing arrangements, and, generally, have terms of one year or less.  The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.  The Company holds collateral supporting those commitments if deemed necessary.  In the event the customer does not perform in accordance with the terms of the agreement with the third party, the Company would be required to fund the commitment.  The maximum potential amount of future payments the Company could be required to make is represented by the contractual amount shown in the summary above.  If the commitment is funded, the Company would be entitled to seek recovery from the customer.  At December 31, 2016 and September 30, 2016, no amounts have been recorded as liabilities for the Company’s potential obligations under these guarantees.

Litigation

In the normal course of business, the Company is involved in various legal proceedings. In the opinion of management, any liabilities resulting from such proceedings would not have a material adverse effect on the Company's consolidated financial statements.

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Fair Value Measurements

3 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

ASC Topic 820, Fair Value Measurements and Disclosures, defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.  ASC Topic 820 requires the use of valuation techniques that are consistent with the market approach, the income approach and/or the cost approach.  Inputs to valuation techniques refer to the assumptions that market participants would use in pricing the asset or liability.  Inputs may be observable, meaning those that reflect the assumptions market participants would use in pricing the asset or liability developed based on market data obtained from independent sources, or unobservable, meaning those that reflect the reporting entity’s own assumptions about the assumptions market participants would use in pricing the asset or liability developed based on the best information available in the circumstances.  In that regard, ASC Topic 820 establishes a fair value hierarchy for valuation inputs that gives the highest priority to quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. The fair value hierarchy is as follows:

Level 1:  Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date.

Level 2:  Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data.

Level 3:  Significant unobservable inputs that reflect a reporting entity’s own assumptions about the assumptions that market participants would use in pricing an asset or liability.

A description of the valuation methodologies used for instruments measured at fair value, as well as the general classification of such instruments pursuant to the fair value hierarchy, is set forth below.

Financial Instruments Recorded at Fair Value on a Recurring Basis

Securities available-for-sale:  The fair value of the Company’s securities available-for-sale is determined using Level 2 inputs, which are derived from readily available pricing sources and third-party pricing services for comparable instruments.  The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, treasury yield curves, trading levels, credit information and credit terms, among other factors. In certain cases where Level 1 or Level 2 inputs are not available, securities are classified within Level 3 of the fair value hierarchy.

Derivatives:  The fair values of the Company’s embedded derivatives related to certain certificates of deposit are determined using inputs that are observable or that can be corroborated by observable market data (such as the S&P 500 Index and the 10- year U.S. Treasury rate) and, therefore, are classified within Level 2 of the fair value hierarchy.

Assets and liabilities recorded at fair value on a recurring basis

The following table summarizes financial instruments measured at fair value on a recurring basis, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value as of:

			Fair Value Measurements
December 31, 2016	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Securities available-for-sale
U.S. Government and agency securities	$	25	$	—	$	25	$	—
U.S. Government agency residential mortgage-backed securities	44,516		—		44,516		—
U.S. Government agency collateralized mortgage obligations	3,965		—		3,965		—
U.S. Government agency commercial mortgage-backed securities	13,810		—		13,810		—
Municipal securities-tax exempt	26,993		—		26,993		—
Municipal securities-taxable	12,688		—		12,688		—
Corporate securities	—		—		—		—
Total securities available-for-sale	$	101,997	$	—	$	101,997	$	—
Derivatives	$	—	$	—	$	—	$	—
Liabilities
Derivatives	$	—	$	—	$	—	$	—

			Fair Value Measurements
September 30, 2016	Total		Quoted Prices in Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Securities available-for-sale
U.S. Government and agency securities	$	25	$	—	$	25	$	—
U.S. Government agency residential mortgage-backed securities	40,750		—		40,750		—
U.S. Government agency collateralized mortgage obligations	2,680		—		2,680		—
U.S. Government agency commercial mortgage-backed securities	11,526		—		11,526		—
Municipal securities-tax exempt	25,682		—		25,682		—
Municipal securities-taxable	13,109		—		13,109		—
Corporate securities	—		—		—		—
Total securities available-for-sale	$	93,772	$	—	$	93,772	$	—
Derivatives	$	98	$	—	$	98	$	—
Liabilities
Derivatives	$	98	$	—	$	98	$	—

The Company did not have any transfers between Level 1, Level 2, and Level 3 of the fair value hierarchy during the three months ended December 31, 2016.  The Company’s policy for determining transfers between levels occurs at the end of the reporting period when circumstances in the underlying valuation criteria change and, therefore, result in a transfer between levels.

Financial Instruments Recorded at Fair Value on a Nonrecurring Basis

The Company may be required, from time to time, to measure certain financial instruments at fair value on a nonrecurring basis in accordance with U.S. generally accepted accounting principles.

Impaired loans:  The Company does not record loans at fair value on a recurring basis.  The specific reserves for collateral-dependent impaired loans are based on the fair value of the collateral less estimated costs to sell. The fair value of collateral is determined based on appraisals.  In some cases, adjustments were made to the appraised values due to various factors including age of the appraisal, age of comparables included in the appraisal, and known changes in the market and in the collateral.  When significant adjustments were based on unobservable inputs, the resulting fair value measurement has been categorized as a Level 3 measurement.  Impaired loans with a carrying amount of $325 and $52 had a valuation allowance of $55 and $52 included in the allowance for loan losses to reflect their fair value as of December 31, 2016 and September 30, 2016, respectively.

Foreclosed real estate:  The Company does not record foreclosed real estate owned at fair value on a recurring basis.  The fair value of foreclosed real estate was determined using Level 3 inputs based on appraisals or broker pricing opinions.  In some cases, adjustments were made to these values due to various factors including the age of the appraisal, age of comparables included in the appraisal, and known changes in the market and in collateral.  Foreclosed real estate is measured at fair value less estimated costs to sell at the date of foreclosure.  Subsequent to foreclosure, additional writedowns may be recorded based on changes to the fair value of the assets.

Mortgage servicing rights:  Mortgage servicing rights (MSRs) do not trade in an active, open market with readily observable prices.  While sales of MSRs do occur, the precise terms and conditions typically are not readily available.  Accordingly, the Company estimates the fair value of MSRs using discounted cash flow models incorporating numerous assumptions from the perspective of market participants including servicing income, servicing costs, market discount rates, prepayments speeds, and default rates.  Due to the nature of the valuation inputs, MSRs are classified within Level 3 of the valuation hierarchy.  As of December 31, 2016, mortgage servicing rights with a carrying amount of $946 had a valuation allowance of $105 to reflect their fair value of $841.  As of September 30, 2016, mortgage servicing rights with a carrying amount of $1,012 had a valuation allowance of $212 to reflect their fair value of $800.

Assets and liabilities recorded at fair value on a non-recurring basis

			Fair Value Measurements
December 31, 2016	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Impaired loans	$	270	$	—	$	—	$	270
Foreclosed real estate	—		—		—		—
Mortgage servicing rights	841		—		—		841

			Fair Value Measurements
September 30, 2016	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Impaired loans	$	—	$	—	$	—	$	—
Foreclosed real estate	99		—		—		99
Mortgage servicing rights	800		—		—		800

Disclosure of fair value information about financial instruments, for which it is practicable to estimate that value, is required whether or not recognized in the accompanying consolidated balance sheets.  In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques.  Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows.  In that regard, the derived fair value estimates cannot be substantiated by comparison to independent markets and, in many cases, could not be realized in immediate settlement of the instruments.  Certain financial instruments with a fair value that is not practicable to estimate and all non-financial instruments are excluded from the disclosure requirements.  Accordingly, the aggregate fair value amounts presented herein do not necessarily represent the underlying value of the Company for assets and liabilities not previously described.  The Company, in estimating its fair value disclosures for financial instruments not described above, used the following methods and assumptions:

Cash and cash equivalents:  The carrying amounts of cash and cash equivalents reported in the accompanying consolidated balance sheets approximate those assets’ fair values.

Securities held to maturity: The fair values of securities held to maturity are based on quoted market prices for similar securities, adjusted for differences in security characteristics.

Loans:  For variable-rate mortgage loans that re-price frequently and with no significant change in credit risk, fair values are based on carrying values.  The fair values for fixed rate residential mortgage loans are based on quoted market prices for similar loans sold in conjunction with sale transactions, adjusted for differences in loan characteristics.  The fair values for commercial real estate or business loans, rental property mortgage loans, and consumer and other loans are estimated using discounted cash flow analyses and using interest rates currently being offered for loans with similar terms to borrowers of similar credit quality.

Loans held for sale:  The fair values of loans held for sale are based on commitments on hand from investors or prevailing market prices.

Federal Home Loan Bank stock:  The carrying amount of FHLB stock approximates its fair value based on the redemption provisions of the FHLB.

Accrued interest receivable and payable:  The carrying amounts of accrued interest receivable and payable approximate their fair values.

Deposits:  The fair value disclosed for interest-bearing and non-interest-bearing checking accounts, savings accounts, and money market accounts are equal to the amount payable on demand at the reporting date (i.e., their carrying amounts).  The fair values of fixed rate certificates of deposit are estimated using a discounted cash flow calculation that applies interest rates currently being offered on certificates to a schedule of aggregated expected monthly maturities of the outstanding certificates of deposit.

Advances from the Federal Home Loan Bank:  The fair values of FHLB advances are estimated using discounted cash flow analyses, based on the Company’s current incremental borrowing rates for similar types of borrowing arrangements. The carrying amounts of short term FHLB advances reported in the consolidated balance sheets approximated those liabilities' fair values.

Advance payments by borrowers for property taxes and insurance:  The carrying amounts of the advance payments by borrowers for property taxes and insurance approximate their fair values.

Mortgage banking derivatives:  The fair value of commitments to originate mortgage loans held for sale is estimated by comparing the Company’s cost to acquire mortgages and the current price for similar mortgage loans, taking into account the terms of the commitments and the credit worthiness of the counterparties.  The fair value of forward commitments to sell residential mortgage loans is the estimated amount that the Bank would receive or pay to terminate the forward delivery contract at the reporting date based on market prices for similar financial instruments.  The fair value of these derivative financial instruments was not material at December 31, 2016 and September 30, 2016.

The estimated fair values and related carrying amounts of the Company’s financial instruments as of the dates noted below were as follows:

	December 31, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	$	41,996	$	41,996	$	41,996	$	—	$	—
Securities available for sale	101,997		101,997		—		101,997		—
Securities held to maturity	2,293		2,316		—		2,316		—
Loans held for sale, net	1,156		1,156		—		1,156		—
Loans, net	543,220		540,680		—		—		540,680
Federal Home Loan Bank stock	1,330		1,330		—		—		1,330
Mortgage servicing rights	841		841		—		—		841
Accrued interest receivable	2,299		2,299		2,299		—		—
Derivative asset	—		—		—		—		—
Financial liabilities:
Deposits	629,852		594,785		127,670		—		467,115
Short-term advances from Federal Home Loan Bank	—		—		—		—		—
Long-term advances from Federal Home Loan Bank	20,000		18,785		—		—		18,785
Advance payments by borrowers for property taxes and insurance	550		550		550		—		—
Accrued interest payable	7		7		7		—		—
Derivative liability	—		—		—		—		—

	September 30, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	$	29,613	$	29,613	$	29,613	$	—	$	—
Securities available for sale	93,772		93,772		—		93,772		—
Securities held to maturity	2,293		2,392		—		2,392		—
Loans held for sale, net	1,881		1,881		—		1,881		—
Loans, net	533,759		536,434		—		—		536,434
Federal Home Loan Bank stock	1,330		1,330		—		—		1,330
Mortgage servicing rights	800		800		—		—		800
Accrued interest receivable	2,173		2,173		2,173		—		—
Derivative asset	98		98		—		98		—
Financial liabilities:
Deposits	591,977		574,787		111,841		—		462,946
Short-term advances from Federal Home Loan Bank	—		—		—		—		—
Long-term advances from Federal Home Loan Bank	20,000		19,472		—		—		19,472
Advance payments by borrowers for property taxes and insurance	5,455		5,455		5,455		—		—
Accrued interest payable	5		5		5		—		—
Derivative liability	98		98		—		98		—

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Employee Stock Ownership Plan

3 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Employee Stock Ownership Plan

Employee Stock Ownership Plan

The Bank maintains a leveraged employee stock ownership plan ("ESOP") that covers all employees meeting certain minimum age and service requirements. The ESOP was established in conjunction with the Company's stock offering completed in April 2013 and operates on a plan year ending December 31. The ESOP initially borrowed $4.1 million from the Company and used those funds to acquire 411,403 shares, or 8.0% of the total number of shares issued by the Company in its initial public offering. The shares were acquired at a price of $10.00 per share. The Bank makes annual contributions to the ESOP equal to the ESOP's debt service. Additional principal payments, which serve to pay down the debt and accelerate the release of ESOP shares to plan participants, may be made by the Bank at the discretion of its Board of Directors. The ESOP shares were pledged as collateral for its debt obligations to the Company. As the debt is repaid, shares are released from collateral and allocated to active participants, based on the proportion of debt service paid in the year. The debt repayment and release of shares generally occurs at December 31, the plan year end date. The Company accounts for its ESOP in accordance with ASC 718-40. Accordingly, because the debt is intercompany, it is eliminated in consolidation for presentation in these financial statements. The shares pledged as collateral are reported as unearned ESOP shares in the accompanying balance sheet. Total ESOP shares may be reduced as a result of employees leaving the Company as shares that have previously been released to those exiting employees may be removed from the ESOP and transferred to that employee. As shares are committed to be released from collateral, the Company reports compensation expense equal to the current market price of the released shares, and the released shares become outstanding for EPS computations. During the three months ended December 31, 2016 and 2015, 10,285 and 5,142 shares were committed to be released, respectively. The total ESOP compensation expense recorded for the three months ended December 31, 2016 and 2015 was $207 and $91, respectively.

The ESOP shares as of December 31, 2016 and September 30, 2016 were as follows (in thousands, except share data):

	December 31, 2016		September 30, 2016
Allocated shares to active participants	52,759		52,773
Shares committed to be released	41,140		30,855
Unallocated shares	308,553		318,838
Total ESOP shares	402,452		402,466
Fair value of unallocated shares	$	6,387	$	6,227

Plans

ASC Topic 718 requires that the grant date fair value of equity awards to employees be recognized as compensation expense over the period during which an employee is required to provide service in exchange for such award.

The following table summarizes the impact of the Company's share-based payment plans in the financial statements for the periods shown:

	Three Months Ended December 31,
	2016		2015
Total cost of stock grant plan during the period	$	134	$	151
Total cost of stock option plan during the period	64		57
Total cost of share-based payment plans during the period	$	198	$	208
Amount of related income tax benefit recognized in income	$	78	$	82

The Company adopted the Westbury Bancorp Inc 2014 Equity Incentive Plan (the "Plan") in 2014. In June 2014, the Company's stockholders approved the Plan which authorized the issuance under the Plan of up to 203,665 restricted stock awards and up to 509,162 stock options. As of December 31, 2016 there were 5,536 restricted stock awards and 34,784 options available for future grants.

Annual equity-based incentive awards are typically granted to selected officers and employees mid-year. Options are granted with an exercise price equal to no less than the market price of the Company's common shares at the date of grant: those option awards generally vest pro-rata over five years of service and have 10-year contractual terms. Restricted shares typically vest pro-rata over a five year period. Equity awards may also be granted at other times throughout the year in connection with the recruitment and retention of officers and employees.

ASC Topic 718 requires that the grant date fair value of equity awards to employees be recognized as compensation expense over the period during which an employee is required to provide service in exchange for such award.

The following table summarizes stock options outstanding for the three months ended December 31, 2016:

	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Options outstanding as of September 30, 2016	474,132	$	16.46
Granted	2,750	21.00
Exercised	—	—
Expired or canceled	150	17.35
Forfeited	12,547	16.15
Options outstanding as of December 31, 2016	464,185	$	16.49	8.06	$	1,953
Options exercisable as of December 31, 2016	135,657	$	15.49	7.62	$	707

The fair value of each option award is estimated on the date of grant using the Black-Scholes option pricing model based on certain assumptions. Expected volatility is based on historical volatility and the expectations of future volatility of Company shares. The risk free interest rate for periods within the contractual term of the option is based on the U.S. Treasury yield curve in effect at the time of the grant. Since options were first awarded in June 2014 and the Company has had a minimal number of options exercised by participants in the Incentive Plan, the expected life of options is estimated based on the assumption that options will be exercised evenly throughout their life after vesting and represents the period of time that options granted are expected to remain outstanding.

The following assumptions were used for options granted during the three months ended December 31:

	2016			2015
Risk-free interest rate	2.19		%	1.99		%
Expected volatility of Company's stock	15.74		%	7.44		%
Expected dividend yield	—		%	—		%
Expected life of options (years)	7.5			7.5
Weighted average fair value per option of options granted during the period	$	5.14		$	2.89

The total intrinsic value of options exercised during each of the three months ended December 31, 2016 and 2015 was zero and $10, respectively.

The following is a summary of changes in restricted shares for the three months ended December 31, 2016:

	Number of Shares	Weighted Average Grant Date Fair Value
Shares Outstanding at September 30, 2016	114,883	$	15.20
Granted	7,500	21.50
Vested	—	—
Forfeited	4,278	15.20
Shares Outstanding at December 31, 2016	118,105	$	15.60

The total intrinsic value of restricted shares that vested during both of the three months ended December 31, 2016 and 2015 was zero.

As of December 31, 2016, there was $2.4 million of total unrecognized compensation cost related to nonvested share-based compensation arrangements (including share option and nonvested share awards) granted under the Plan. At December 31, 2016, the weighted-average period over which the unrecognized compensation expense is expected to be recognized was approximately 3.0 years.

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Compensation Equity Plans

3 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Compensation Equity Plans

Employee Stock Ownership Plan

The Bank maintains a leveraged employee stock ownership plan ("ESOP") that covers all employees meeting certain minimum age and service requirements. The ESOP was established in conjunction with the Company's stock offering completed in April 2013 and operates on a plan year ending December 31. The ESOP initially borrowed $4.1 million from the Company and used those funds to acquire 411,403 shares, or 8.0% of the total number of shares issued by the Company in its initial public offering. The shares were acquired at a price of $10.00 per share. The Bank makes annual contributions to the ESOP equal to the ESOP's debt service. Additional principal payments, which serve to pay down the debt and accelerate the release of ESOP shares to plan participants, may be made by the Bank at the discretion of its Board of Directors. The ESOP shares were pledged as collateral for its debt obligations to the Company. As the debt is repaid, shares are released from collateral and allocated to active participants, based on the proportion of debt service paid in the year. The debt repayment and release of shares generally occurs at December 31, the plan year end date. The Company accounts for its ESOP in accordance with ASC 718-40. Accordingly, because the debt is intercompany, it is eliminated in consolidation for presentation in these financial statements. The shares pledged as collateral are reported as unearned ESOP shares in the accompanying balance sheet. Total ESOP shares may be reduced as a result of employees leaving the Company as shares that have previously been released to those exiting employees may be removed from the ESOP and transferred to that employee. As shares are committed to be released from collateral, the Company reports compensation expense equal to the current market price of the released shares, and the released shares become outstanding for EPS computations. During the three months ended December 31, 2016 and 2015, 10,285 and 5,142 shares were committed to be released, respectively. The total ESOP compensation expense recorded for the three months ended December 31, 2016 and 2015 was $207 and $91, respectively.

The ESOP shares as of December 31, 2016 and September 30, 2016 were as follows (in thousands, except share data):

	December 31, 2016		September 30, 2016
Allocated shares to active participants	52,759		52,773
Shares committed to be released	41,140		30,855
Unallocated shares	308,553		318,838
Total ESOP shares	402,452		402,466
Fair value of unallocated shares	$	6,387	$	6,227

Plans

ASC Topic 718 requires that the grant date fair value of equity awards to employees be recognized as compensation expense over the period during which an employee is required to provide service in exchange for such award.

The following table summarizes the impact of the Company's share-based payment plans in the financial statements for the periods shown:

	Three Months Ended December 31,
	2016		2015
Total cost of stock grant plan during the period	$	134	$	151
Total cost of stock option plan during the period	64		57
Total cost of share-based payment plans during the period	$	198	$	208
Amount of related income tax benefit recognized in income	$	78	$	82

The Company adopted the Westbury Bancorp Inc 2014 Equity Incentive Plan (the "Plan") in 2014. In June 2014, the Company's stockholders approved the Plan which authorized the issuance under the Plan of up to 203,665 restricted stock awards and up to 509,162 stock options. As of December 31, 2016 there were 5,536 restricted stock awards and 34,784 options available for future grants.

Annual equity-based incentive awards are typically granted to selected officers and employees mid-year. Options are granted with an exercise price equal to no less than the market price of the Company's common shares at the date of grant: those option awards generally vest pro-rata over five years of service and have 10-year contractual terms. Restricted shares typically vest pro-rata over a five year period. Equity awards may also be granted at other times throughout the year in connection with the recruitment and retention of officers and employees.

ASC Topic 718 requires that the grant date fair value of equity awards to employees be recognized as compensation expense over the period during which an employee is required to provide service in exchange for such award.

The following table summarizes stock options outstanding for the three months ended December 31, 2016:

	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Options outstanding as of September 30, 2016	474,132	$	16.46
Granted	2,750	21.00
Exercised	—	—
Expired or canceled	150	17.35
Forfeited	12,547	16.15
Options outstanding as of December 31, 2016	464,185	$	16.49	8.06	$	1,953
Options exercisable as of December 31, 2016	135,657	$	15.49	7.62	$	707

The fair value of each option award is estimated on the date of grant using the Black-Scholes option pricing model based on certain assumptions. Expected volatility is based on historical volatility and the expectations of future volatility of Company shares. The risk free interest rate for periods within the contractual term of the option is based on the U.S. Treasury yield curve in effect at the time of the grant. Since options were first awarded in June 2014 and the Company has had a minimal number of options exercised by participants in the Incentive Plan, the expected life of options is estimated based on the assumption that options will be exercised evenly throughout their life after vesting and represents the period of time that options granted are expected to remain outstanding.

The following assumptions were used for options granted during the three months ended December 31:

	2016			2015
Risk-free interest rate	2.19		%	1.99		%
Expected volatility of Company's stock	15.74		%	7.44		%
Expected dividend yield	—		%	—		%
Expected life of options (years)	7.5			7.5
Weighted average fair value per option of options granted during the period	$	5.14		$	2.89

The total intrinsic value of options exercised during each of the three months ended December 31, 2016 and 2015 was zero and $10, respectively.

The following is a summary of changes in restricted shares for the three months ended December 31, 2016:

	Number of Shares	Weighted Average Grant Date Fair Value
Shares Outstanding at September 30, 2016	114,883	$	15.20
Granted	7,500	21.50
Vested	—	—
Forfeited	4,278	15.20
Shares Outstanding at December 31, 2016	118,105	$	15.60

The total intrinsic value of restricted shares that vested during both of the three months ended December 31, 2016 and 2015 was zero.

As of December 31, 2016, there was $2.4 million of total unrecognized compensation cost related to nonvested share-based compensation arrangements (including share option and nonvested share awards) granted under the Plan. At December 31, 2016, the weighted-average period over which the unrecognized compensation expense is expected to be recognized was approximately 3.0 years.

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Condensed Parent Company Financial Information

3 Months Ended

Dec. 31, 2016

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Parent Company Financial Information

Condensed Parent Company Financial Information

The condensed financial statements of Westbury Bancorp, Inc. (parent company only) are presented for the periods indicated below:

Balance Sheets
	December 31,		September 30,
	2016		2016
Assets
Cash and interest bearing deposits	$	611	$	251
Investments	46		55
Loan to ESOP	3,197		3,620
Investment in subsidiary	74,352		75,872
Other assets	2,477		2,397
Total assets	$	80,683	$	82,195
Liabilities and Stockholders' Equity
Total liabilities	$	38	$	26
Stockholders' equity	80,645		82,169
Total liabilities and stockholders' equity	$	80,683	$	82,195

Statements of Operations
	Three Months Ended December 31,
	2016			2015
Interest and other income	$	32		$	32
Interest and other expense	142			121
Loss before income tax benefit and equity in undistributed net income of subsidiary	(110		)	(89		)
Income tax benefit	(26		)	(18		)
Loss before equity in undistributed net income of subsidiary	(84		)	(71		)
Equity in undistributed net income of subsidiary	831			1,110
Net income	$	747		$	1,039

Statements of Cash Flows
	For Three Months Ended December 31,
	2016			2015
Cash Flows From Operating Activities
Net income	$	747		$	1,039
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net income of subsidiary	(831		)	(1,110		)
Net change in other liabilities	12			(32		)
Net change in other assets	118			742
Net cash provided by operating activities	46			639
Cash Flows From Investing Activities
Sales and maturities of securities	9			29
Payments received on ESOP loan	423			158
Dividend received from bank subsidiary	500			1,500
Net cash provided by investing activities	932			1,687
Cash Flows From Financing Activities
Stock options exercised	—			64
Repurchase of common stock	(618		)	(506		)
Net cash used in financing activities	(618		)	(442		)
Net increase in cash	360			1,884
Cash
Beginning of period	251			1,440
End of period	$	611		$	3,324

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Earnings Per Share (Tables)

3 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Schedule of calculated earnings per share, basic and diluted

The following table presents a reconciliation of the number of shares used in the calculation of basic and diluted earnings per common share (in thousands, except share and per share data).

	Three Months Ended December 31,
	2016			2015
Net income	$	747		$	1,039
Basic potential common shares:
Weighted average shares outstanding	3,976,765			4,166,780
Weighted average unallocated ESOP shares	(315,414		)	(353,122		)
Basic weighted average shares outstanding	3,661,351			3,813,658
Dilutive effect of equity awards	78,082			30,274
Diluted weighted average shares outstanding	3,739,433			3,843,932
Basic income per share	$	0.20		$	0.27
Diluted income per share	$	0.20		$	0.27

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Investment Securitites (Tables)

3 Months Ended

Dec. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized costs and fair values of securities available-for-sale

The amortized cost and fair value of investment securities are summarized as follows:

	December 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale
U.S. Government and agency securities	$	25	$	—	$	—		$	25
U.S. Government agency residential mortgage-backed securities	45,355		94		(933		)	44,516
U.S. Government agency collateralized mortgage obligations	4,088		3		(126		)	3,965
U.S. Government agency commercial mortgage-backed securities	13,839		19		(48		)	13,810
Municipal securities-tax exempt	28,068		4		(1,079		)	26,993
Municipal securities-taxable	12,745		29		(86		)	12,688
Total Available for Sale	104,120		149		(2,272		)	101,997
Held to Maturity
Municipal securities-tax exempt	2,293		25		(2		)	2,316
Total Investment Securities	$	106,413	$	174	$	(2,274	)	$	104,313
	September 30, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale
U.S. Government and agency securities	$	24	$	1	$	—		$	25
U.S. Government agency residential mortgage-backed securities	40,289		504		(43		)	40,750
U.S. Government agency collateralized mortgage obligations	2,674		24		(18		)	2,680
U.S. Government agency commercial mortgage-backed securities	11,376		150		—			11,526
Municipal securities-tax exempt	25,730		51		(99		)	25,682
Municipal securities-taxable	12,756		358		(5		)	13,109
Total Available for Sale	92,849		1,088		(165		)	93,772
Held to Maturity
Municipal securities-tax exempt	2,293		99		—			2,392
Total Investment Securities	$	95,142	$	1,187	$	(165	)	$	96,164

Schedule of amortized cost and estimated fair value of investment securities by contractual maturity

The amortized cost and fair value of investment securities, by contractual maturity, at December 31, 2016 are shown in the following table.  Actual maturities differ from contractual maturities for mortgage-backed securities and collateralized mortgage obligations because the mortgages underlying the securities may be called or repaid without penalty.  Therefore, these securities are not presented in the maturity categories in the table below.

	December 31, 2016
	Amortized Cost		Fair Value
Available for sale:
Due in one year or less	$	563	$	564
Due after one year through five years	12,880		12,766
Due after five years through ten years	21,607		20,830
Due after ten years	5,788		5,546
U.S. Government agency residential mortgage-backed securities	45,355		44,516
U.S. Government agency collateralized mortgage obligations	4,088		3,965
U.S. Government agency commercial mortgage-backed securities	13,839		13,810
	104,120		101,997
Held to maturity:
Due in one year or less	168		168
Due after one year through five years	703		701
Due after five years through ten years	982		999
Due after ten years	440		448
	2,293		2,316
Total	$	106,413	$	104,313

Schedule of investment securities in an unrealized loss position

Information pertaining to securities with gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, are summarized as follows:

	December 31, 2016
	Less than 12 Months					12 Months or Longer					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government and agency securities	$	—	$	—		$	—	$	—		$	—	$	—
U.S. Government agency residential mortgage-backed securities	34,517		(870		)	2,868		(63		)	37,385		(933		)
U.S. Government agency collateralized mortgage obligations	2,511		(91		)	523		(35		)	3,034		(126		)
U.S Government agency commercial mortgage-backed securities	9,965		(48		)	—		—			9,965		(48		)
Municipal securities-tax exempt	26,382		(1,079		)	—		—			26,382		(1,079		)
Municipal securities-taxable	8,658		(86		)	—		—			8,658		(86		)
Total Available for Sale	$	82,033	$	(2,174	)	$	3,391	$	(98	)	$	85,424	$	(2,272	)
Held to Maturity
Municipal securities-tax exempt	688		(2		)	—		—			688		(2		)
Total Investment Securities	$	82,721	$	(2,176	)	$	3,391	$	(98	)	$	86,112	$	(2,274	)

	September 30, 2016
	Less than 12 Months					12 Months or Longer					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government and agency securities	$	—	$	—		$	—	$	—		$	—	$	—
U.S. Government agency residential mortgage-backed securities	2,726		(5		)	3,020		(38		)	5,746		(43		)
U.S. Government agency collateralized mortgage obligations	—		—			576		(18		)	576		(18		)
U.S. Government agency commercial mortgage-backed securities	—		—			—		—			—		—
Municipal securities-tax exempt	18,314		(99		)	—		—			18,314		(99		)
Municipal securities-taxable	550		(5		)	—		—			550		(5		)
Total Available for Sale	$	21,590	$	(109	)	$	3,596	$	(56	)	$	25,186	$	(165	)
Held to Maturity
Municipal securities-tax exempt	—		—			—		—			—		—
Total Investment Securities	$	21,590	$	(109	)	$	3,596	$	(56	)	$	25,186	$	(165	)

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Loans (Tables)

3 Months Ended

Dec. 31, 2016

Loans

Summary of balances of loans

A summary of the balances of loans as of the dates indicated follows:

	December 31, 2016		September 30, 2016
Real estate:
Single family	$	152,391	$	158,541
Multifamily	115,946		123,623
Commercial real estate non-owner occupied	127,574		117,971
Commercial real estate owner occupied	69,973		63,108
Construction and land development	19,195		16,230
Total real estate	485,079		479,473
Commercial business	45,025		40,836
Consumer:
Home equity lines of credit	14,906		14,969
Education	3,280		3,401
Other	480		462
Total consumer	18,666		18,832
Total loans	548,770		539,141
Less:
Net deferred loan fees	99		138
Allowance for loan losses	5,451		5,244
Net loans	$	543,220	$	533,759

Schedule of contractual aging of recorded investment in past due loans

The following tables present the contractual aging of the Company's recorded investment in past due loans by class of loans as of December 31, 2016 and September 30, 2016:

December 31, 2016	Current		30-59 Days Past Due		60-89 Days Past Due		Loans Past Due 90 Days or More		Total
Single family	$	151,010	$	655	$	400	$	326	$	152,391
Multifamily	115,930		16		—		—		115,946
Commercial real estate non-owner occupied	127,574		—		—		—		127,574
Commercial real estate owner occupied	69,973		—		—		—		69,973
Construction and land development	19,195		—		—		—		19,195
Commercial business	45,025		—		—		—		45,025
Consumer and other:
Home equity lines of credit	14,879		—		—		27		14,906
Education	3,023		107		12		138		3,280
Other	480		—		—		—		480
	$	547,089	$	778	$	412	$	491	$	548,770

September 30, 2016	Current		30-59 Days Past Due		60-89 Days Past Due		Loans Past Due 90 Days or More		Total
Single family	$	157,803	$	239	$	426	$	73	$	158,541
Multifamily	123,623		—		—		—		123,623
Commercial real estate non-owner occupied	117,971		—		—		—		117,971
Commercial real estate owner occupied	63,108		—		—		—		63,108
Construction and land development	16,230		—		—		—		16,230
Commercial business	40,836		—		—		—		40,836
Consumer and other:
Home equity lines of credit	14,942		—		—		27		14,969
Education	3,202		11		39		149		3,401
Other	462		—		—		—		462
	$	538,177	$	250	$	465	$	249	$	539,141

Schedule of risk category of loans

The following tables present the risk category of loans evaluated by internal asset classification based on the most recent analysis performed and the contractual aging of our loan portfolio as of December 31, 2016 and September 30, 2016:

December 31, 2016	Pass		Watch		Special Mention		Substandard		Doubtful		Total
Single family	$	149,654	$	739	$	—	$	1,998	$	—	$	152,391
Multifamily	114,224		1,722		—		—		—		115,946
Commercial real estate non-owner occupied	126,499		1,075		—		—		—		127,574
Commercial real estate owner occupied	66,899		2,238		—		836		—		69,973
Construction and land development	19,194		—		—		1		—		19,195
Commercial business	35,607		8,884		—		534		—		45,025
Consumer and other:
Home equity lines of credit	14,812		—		—		94		—		14,906
Education	3,280		—		—		—		—		3,280
Other	480		—		—		—		—		480
Total	$	530,649	$	14,658	$	—	$	3,463	$	—	$	548,770

September 30, 2016	Pass		Watch		Special Mention		Substandard		Doubtful		Total
Single family	$	156,042	$	744	$	—	$	1,755	$	—	$	158,541
Multifamily	121,878		1,745		—		—		—		123,623
Commercial real estate non-owner occupied	116,880		695		396		—		—		117,971
Commercial real estate owner occupied	59,993		3,115		—		—		—		63,108
Construction and land development	16,228		—		—		2		—		16,230
Commercial business	31,677		8,945		214		—		—		40,836
Consumer and other:
Home equity lines of credit	14,874		—		—		95		—		14,969
Education	3,401		—		—		—		—		3,401
Other	462		—		—		—		—		462
	$	521,435	$	15,244	$	610	$	1,852	$	—	$	539,141

Schedule of activity in the allowance for loan losses, by portfolio segment

The following tables provide additional detail of the activity in the allowance for loan losses, by portfolio segment, for the three months ended December 31, 2016 and 2015:

Three Months Ended December 31, 2016	Single Family			Multifamily			Commercial Real Estate - Non-owner Occupied		Commercial Real Estate - Owner-Occupied		Construction and Land  Development		Commercial Business		Consumer and Other			Total
Allowance for loan losses:
Beginning balance	$	980		$	1,015		$	1,519	$	813	$	344	$	500	$	73		$	5,244
Provision for loan losses	(57		)	(32		)	65		129		59		39		(3		)	200
Loans charged-off	—			—			—		—		—		—		—			—
Recoveries	—			—			—		—		—		5		2			7
Ending balance	$	923		$	983		$	1,584	$	942	$	403	$	544	$	72		$	5,451
Period-ended amount allocated for:
Individually evaluated for impairment	$	3		$	—		$	—	$	—	$	—	$	—	$	51		$	54
Collectively evaluated for impairment	920			983			1,584		942		403		544		21			5,397
Ending balance	$	923		$	983		$	1,584	$	942	$	403	$	544	$	72		$	5,451
Loans:
Individually evaluated for impairment	$	1,447		$	1,722		$	—	$	—	$	—	$	—	$	86		$	3,255
Collectively evaluated for impairment	150,944			114,224			127,574		69,973		19,195		45,025		18,580			545,515
Ending balance	$	152,391		$	115,946		$	127,574	$	69,973	$	19,195	$	45,025	$	18,666		$	548,770

Three Months Ended December 31, 2015	Single Family			Multifamily		Commercial Real Estate - Non-owner Occupied		Commercial Real Estate - Owner-Occupied		Construction and Land  Development		Commercial Business			Consumer and Other			Total
Allowance for loan losses:
Beginning balance	$	1,073		$	1,013	$	1,091	$	513	$	330	$	498		$	80		$	4,598
Provision for loan losses	(42		)	327		31		16		14		(200		)	4			150
Loans charged-off	—			—		—		—		—		—			(10		)	(10		)
Recoveries	—			—		—		1		—		4			4			9
Ending balance	$	1,031		$	1,340	$	1,122	$	530	$	344	$	302		$	78		$	4,747
Period-ended amount allocated for:
Individually evaluated for impairment	$	23		$	—	$	—	$	—	$	—	$	—		$	55		$	78
Collectively evaluated for impairment	1,008			1,340		1,122		530		344		302			23			4,669
Ending balance	$	1,031		$	1,340	$	1,122	$	530	$	344	$	302		$	78		$	4,747
Loans:
Individually evaluated for impairment	$	1,605		$	1,816	$	—	$	—	$	—	$	—		$	94		$	3,515
Collectively evaluated for impairment	149,385			116,873		112,482		51,033		17,163		31,866			19,277			498,079
Ending balance	$	150,990		$	118,689	$	112,482	$	51,033	$	17,163	$	31,866		$	19,371		$	501,594

Schedule of impaired loans

							Three months ended
December 31, 2016	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Single family	$	1,309	$	1,174	$	—	$	1,315	$	12
Multifamily	1,764		1,722		—		1,734		18
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	4		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	114		35		—		36		—
With an allowance recorded:
Single family	273		273		3		137		5
Multifamily	—		—		—		—		—
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	—		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	51		51		51		52		1
	$	3,515	$	3,255	$	54	$	3,274	$	36

							Three months ended
December 31, 2015	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Single family	$	1,338	$	1,194	$	—	$	1,189	$	14
Multifamily	1,889		1,816		—		1,824		19
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	—		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	117		39		—		105		—
With an allowance recorded:
Single family	411		411		23		412		3
Multifamily	—		—		—		—		—
Commercial real estate non-owner occupied	—		—		—		—		—
Commercial real estate owner occupied	—		—		—		—		—
Construction and land development	—		—		—		—		—
Commercial business	—		—		—		—		—
Consumer and other	55		55		55		55		1
	$	3,810	$	3,515	$	78	$	3,585	$	37

Schedule of loans modified in a TDR, by class

Schedule of Loans and Leases Receivable, Related Parties

An analysis of such loans is as follows:

	Three Months Ended December 31, 2016
Balance, beginning	$	7,813
New loans originated	2,468
Draws on lines of credit	29
Principal repayments	(563		)
Balance, ending	$	9,747

Past due loans

Loans

Schedule of recorded investment by accrual status

The following table presents the recorded investment in nonaccrual loans by class of loans as of December 31, 2016 and September 30, 2016:

	December 31, 2016		September 30, 2016
Single family	$	518	$	338
Multifamily	—		—
Commercial real estate non-owner occupied	—		—
Commercial real estate owner occupied	—		—
Construction and land development	—		—
Commercial business	—		—
Consumer and other:
Home equity lines of credit	35		36
Education	150		188
Other	—		—
	$	703	$	562

Troubled debt restructurings

Loans

Schedule of recorded investment by accrual status

The following is a summary of troubled debt restructured loans (TDRs) at December 31, 2016 and September 30, 2016:

	December 31, 2016		September 30, 2016
Troubled debt restructurings - accrual	$	2,719	$	3,021
Troubled debt restructurings - nonaccrual	—		—
	$	2,719	$	3,021

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Deposits (Tables)

3 Months Ended

Dec. 31, 2016

Deposits [Abstract]

Schedule of composition of deposits

The following table presents the composition of deposits as of:

	December 31, 2016				September 30, 2016
	Amount		Percent		Amount		Percent
Checking Accounts:
Noninterest bearing	$	127,670	20.27	%	$	111,841	18.89	%
Interest bearing	141,089		22.40	%	135,866		22.95	%
	268,759		42.67	%	247,707		41.84	%
Passbook and Statement Savings	134,214		21.31	%	133,155		22.50	%
Variable Rate Money Market Accounts	71,309		11.32	%	64,593		10.91	%
Certificates of Deposit	155,570		24.70	%	146,522		24.75	%
	$	629,852	100.00	%	$	591,977	100.00	%

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Regulatory Capital (Tables)

3 Months Ended

Dec. 31, 2016

Regulatory Capital Requirements [Abstract]

Schedule of actual capital amounts and ratios and those required by the above regulatory standards

The Bank’s actual capital amounts and ratios and those required by the regulatory standards are presented in the following tables. We have included the 0.625% increase for 2016 in our minimum capital adequacy rations in the tables below.

At December 31, 2016	Actual				For Capital Adequacy Purposes Under Prompt Corrective Action Provisions				For Capital Adequacy Purposes with Capital Buffer				To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
CETI capital (to risk-weighted assets) - Westbury Bank	$	72,012	12.1	%	$	26,786	4.50	%	$	30,507	5.125	%	$	38,692	6.50	%
Tier 1 capital (to risk-weighted assets) - Westbury Bank	72,012		12.10	%	35,715		6.00	%	39,436		6.625	%	47,620		8.00	%
Total capital (to risk-weighted assets) - Westbury Bank	77,463		13.01	%	47,620		8.00	%	51,341		8.625	%	59,525		10.00	%
Leverage (to adjusted total assets) - Westbury Bank	72,012		10.17	%	28,323		4.00	%	N/A		N/A		35,404		5.00	%

At September 30, 2016	Actual				For Capital Adequacy Purposes Under Prompt Corrective Action Provisions				For Capital Adequacy Purposes with Capital Buffer				To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
CET1 capital (to risk-weighted assets) - Westbury Bank	$	71,383	12.61	%	$	25,472	4.50	%	$	29,010	5.125	%	$	36,793	6.50	%
Tier 1 capital (to risk-weighted assets) - Westbury Bank	71,383		12.61	%	33,963		6.00	%	37,500		6.625	%	45,283		8.00	%
Total capital (to risk-weighted assets) - Westbury Bank	76,627		13.54	%	45,283		8.00	%	48,821		8.625	%	56,604		10.00	%
Leverage (to adjusted total assets) - Westbury Bank	71,383		10.23	%	27,911		4.00	%	N/A		N/A		34,889		5.00	%

Schedule of reconciliation of the Bank's stockholders' equity to regulatory capital

The following table reconciles the Bank’s stockholder's equity to regulatory capital as of December 31, 2016 and September 30, 2016:

	December 31, 2016			September 30, 2016
Stockholder's equity of the Bank	$	72,020		$	73,332
Less: Unrealized (gain) loss on securities	1,290			(561		)
Disallowed deferred tax assets	(1,298		)	(1,388		)
Tier 1, CETI and leverage capital	72,012			71,383
Plus: Allowable general valuation allowances	5,451			5,244
Total capital	$	77,463		$	76,627

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Commitments (Tables)

3 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of financial instruments whose contract amounts represent credit risk

	December 31, 2016		September 30, 2016
Commitments to extend commercial and residential mortgage credit:
Fixed rate	$	17,776	$	2,013
Adjustable rate	6,909		1,442
Unused commercial loan lines of credit	69,995		68,752
Unused home equity line of credit	27,045		27,315
Standby letters of credit	1,122		1,076
Commitment to sell loans	1,156		1,881

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Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

The following table summarizes financial instruments measured at fair value on a recurring basis, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value as of:

			Fair Value Measurements
December 31, 2016	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Securities available-for-sale
U.S. Government and agency securities	$	25	$	—	$	25	$	—
U.S. Government agency residential mortgage-backed securities	44,516		—		44,516		—
U.S. Government agency collateralized mortgage obligations	3,965		—		3,965		—
U.S. Government agency commercial mortgage-backed securities	13,810		—		13,810		—
Municipal securities-tax exempt	26,993		—		26,993		—
Municipal securities-taxable	12,688		—		12,688		—
Corporate securities	—		—		—		—
Total securities available-for-sale	$	101,997	$	—	$	101,997	$	—
Derivatives	$	—	$	—	$	—	$	—
Liabilities
Derivatives	$	—	$	—	$	—	$	—

			Fair Value Measurements
September 30, 2016	Total		Quoted Prices in Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Securities available-for-sale
U.S. Government and agency securities	$	25	$	—	$	25	$	—
U.S. Government agency residential mortgage-backed securities	40,750		—		40,750		—
U.S. Government agency collateralized mortgage obligations	2,680		—		2,680		—
U.S. Government agency commercial mortgage-backed securities	11,526		—		11,526		—
Municipal securities-tax exempt	25,682		—		25,682		—
Municipal securities-taxable	13,109		—		13,109		—
Corporate securities	—		—		—		—
Total securities available-for-sale	$	93,772	$	—	$	93,772	$	—
Derivatives	$	98	$	—	$	98	$	—
Liabilities
Derivatives	$	98	$	—	$	98	$	—

Schedule of assets measured at fair value on a nonrecurring basis

			Fair Value Measurements
December 31, 2016	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Impaired loans	$	270	$	—	$	—	$	270
Foreclosed real estate	—		—		—		—
Mortgage servicing rights	841		—		—		841

			Fair Value Measurements
September 30, 2016	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Assets
Impaired loans	$	—	$	—	$	—	$	—
Foreclosed real estate	99		—		—		99
Mortgage servicing rights	800		—		—		800

Schedule of estimated fair values and related carrying amounts of the entity's financial instruments

The estimated fair values and related carrying amounts of the Company’s financial instruments as of the dates noted below were as follows:

	December 31, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	$	41,996	$	41,996	$	41,996	$	—	$	—
Securities available for sale	101,997		101,997		—		101,997		—
Securities held to maturity	2,293		2,316		—		2,316		—
Loans held for sale, net	1,156		1,156		—		1,156		—
Loans, net	543,220		540,680		—		—		540,680
Federal Home Loan Bank stock	1,330		1,330		—		—		1,330
Mortgage servicing rights	841		841		—		—		841
Accrued interest receivable	2,299		2,299		2,299		—		—
Derivative asset	—		—		—		—		—
Financial liabilities:
Deposits	629,852		594,785		127,670		—		467,115
Short-term advances from Federal Home Loan Bank	—		—		—		—		—
Long-term advances from Federal Home Loan Bank	20,000		18,785		—		—		18,785
Advance payments by borrowers for property taxes and insurance	550		550		550		—		—
Accrued interest payable	7		7		7		—		—
Derivative liability	—		—		—		—		—

	September 30, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	$	29,613	$	29,613	$	29,613	$	—	$	—
Securities available for sale	93,772		93,772		—		93,772		—
Securities held to maturity	2,293		2,392		—		2,392		—
Loans held for sale, net	1,881		1,881		—		1,881		—
Loans, net	533,759		536,434		—		—		536,434
Federal Home Loan Bank stock	1,330		1,330		—		—		1,330
Mortgage servicing rights	800		800		—		—		800
Accrued interest receivable	2,173		2,173		2,173		—		—
Derivative asset	98		98		—		98		—
Financial liabilities:
Deposits	591,977		574,787		111,841		—		462,946
Short-term advances from Federal Home Loan Bank	—		—		—		—		—
Long-term advances from Federal Home Loan Bank	20,000		19,472		—		—		19,472
Advance payments by borrowers for property taxes and insurance	5,455		5,455		5,455		—		—
Accrued interest payable	5		5		5		—		—
Derivative liability	98		98		—		98		—

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Employee Stock Ownership Plan Disclosure of (Tables)

3 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Employee Stock Ownership Plan (ESOP) Disclosures

The ESOP shares as of December 31, 2016 and September 30, 2016 were as follows (in thousands, except share data):

	December 31, 2016		September 30, 2016
Allocated shares to active participants	52,759		52,773
Shares committed to be released	41,140		30,855
Unallocated shares	308,553		318,838
Total ESOP shares	402,452		402,466
Fair value of unallocated shares	$	6,387	$	6,227

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Compensation Equity Plans (Tables)

3 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Allocation of Share-based Compensation Costs by Plan

The following table summarizes the impact of the Company's share-based payment plans in the financial statements for the periods shown:

	Three Months Ended December 31,
	2016		2015
Total cost of stock grant plan during the period	$	134	$	151
Total cost of stock option plan during the period	64		57
Total cost of share-based payment plans during the period	$	198	$	208
Amount of related income tax benefit recognized in income	$	78	$	82

Schedule of Stock Options Activity

The following table summarizes stock options outstanding for the three months ended December 31, 2016:

	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Options outstanding as of September 30, 2016	474,132	$	16.46
Granted	2,750	21.00
Exercised	—	—
Expired or canceled	150	17.35
Forfeited	12,547	16.15
Options outstanding as of December 31, 2016	464,185	$	16.49	8.06	$	1,953
Options exercisable as of December 31, 2016	135,657	$	15.49	7.62	$	707

Schedule of Stock Options Valuation Assumptions

The following assumptions were used for options granted during the three months ended December 31:

	2016			2015
Risk-free interest rate	2.19		%	1.99		%
Expected volatility of Company's stock	15.74		%	7.44		%
Expected dividend yield	—		%	—		%
Expected life of options (years)	7.5			7.5
Weighted average fair value per option of options granted during the period	$	5.14		$	2.89

Schedule of Restricted Stock Units Award Activity

The following is a summary of changes in restricted shares for the three months ended December 31, 2016:

	Number of Shares	Weighted Average Grant Date Fair Value
Shares Outstanding at September 30, 2016	114,883	$	15.20
Granted	7,500	21.50
Vested	—	—
Forfeited	4,278	15.20
Shares Outstanding at December 31, 2016	118,105	$	15.60

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Condensed Parent Company Financial Information (Tables)

3 Months Ended

Dec. 31, 2016

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Balance Sheet

The condensed financial statements of Westbury Bancorp, Inc. (parent company only) are presented for the periods indicated below:

Balance Sheets
	December 31,		September 30,
	2016		2016
Assets
Cash and interest bearing deposits	$	611	$	251
Investments	46		55
Loan to ESOP	3,197		3,620
Investment in subsidiary	74,352		75,872
Other assets	2,477		2,397
Total assets	$	80,683	$	82,195
Liabilities and Stockholders' Equity
Total liabilities	$	38	$	26
Stockholders' equity	80,645		82,169
Total liabilities and stockholders' equity	$	80,683	$	82,195

Condensed Income Statement

Statements of Operations
	Three Months Ended December 31,
	2016			2015
Interest and other income	$	32		$	32
Interest and other expense	142			121
Loss before income tax benefit and equity in undistributed net income of subsidiary	(110		)	(89		)
Income tax benefit	(26		)	(18		)
Loss before equity in undistributed net income of subsidiary	(84		)	(71		)
Equity in undistributed net income of subsidiary	831			1,110
Net income	$	747		$	1,039

Condensed Cash Flow Statement

Statements of Cash Flows
	For Three Months Ended December 31,
	2016			2015
Cash Flows From Operating Activities
Net income	$	747		$	1,039
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net income of subsidiary	(831		)	(1,110		)
Net change in other liabilities	12			(32		)
Net change in other assets	118			742
Net cash provided by operating activities	46			639
Cash Flows From Investing Activities
Sales and maturities of securities	9			29
Payments received on ESOP loan	423			158
Dividend received from bank subsidiary	500			1,500
Net cash provided by investing activities	932			1,687
Cash Flows From Financing Activities
Stock options exercised	—			64
Repurchase of common stock	(618		)	(506		)
Net cash used in financing activities	(618		)	(442		)
Net increase in cash	360			1,884
Cash
Beginning of period	251			1,440
End of period	$	611		$	3,324

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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share [Abstract]
Net income	$ 747	$ 1,039
Basic potential common shares:
Weighted average shares outstanding (in shares)	3,976,765	4,166,780
Weighted average unallocated ESOP shares (in shares)	(315,414)	(353,122)
Basic weighted average shares outstanding (in shares)	3,661,351	3,813,658
Dilutive potential common shares (in shares)	78,082	30,274
Diluted weighted average shares outstanding (in shares)	3,739,433	3,843,932
Basic loss per share (in dollars per share)	$ 0.20	$ 0.27
Diluted loss per share (in dollars per share)	$ 0.20	$ 0.27

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Investment Securitites (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Available for Sale
Amortized Cost	$ 104,120	$ 92,849
Gross Unrealized Gains	149	1,088
Gross Unrealized Losses	(2,272)	(165)
Fair Value	101,997	93,772
Held to Maturity
Amortized Cost	2,293	2,293
Fair Value	2,316	2,392
Total Investment Securities
Amortized Cost	106,413	95,142
Gross Unrealized Gains	174	1,187
Gross Unrealized Losses	2,274	165
Fair Value	104,313	96,164
U.S. Government and agency securities
Available for Sale
Amortized Cost	25	24
Gross Unrealized Gains	0	1
Gross Unrealized Losses	0	0
Fair Value	25	25
U.S. Government agency residential mortgage-backed securities
Available for Sale
Amortized Cost	45,355	40,289
Gross Unrealized Gains	94	504
Gross Unrealized Losses	(933)	(43)
Fair Value	44,516	40,750
U.S. Government agency collateralized mortgage obligations
Available for Sale
Amortized Cost	4,088	2,674
Gross Unrealized Gains	3	24
Gross Unrealized Losses	(126)	(18)
Fair Value	3,965	2,680
U.S. Government agency commercial mortgage-backed securities
Available for Sale
Amortized Cost	13,839	11,376
Gross Unrealized Gains	19	150
Gross Unrealized Losses	(48)	0
Fair Value	13,810	11,526
Municipal securities-tax exempt
Available for Sale
Amortized Cost	28,068	25,730
Gross Unrealized Gains	4	51
Gross Unrealized Losses	(1,079)	(99)
Fair Value	26,993	25,682
Held to Maturity
Amortized Cost	2,293	2,293
Gross Unrealized Gains	25	99
Gross Unrealized Losses	2	0
Fair Value	2,316	2,392
Municipal securities-taxable
Available for Sale
Amortized Cost	12,745	12,756
Gross Unrealized Gains	29	358
Gross Unrealized Losses	(86)	(5)
Fair Value	$ 12,688	$ 13,109

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Investment Securitites (Details 2) - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2016
Available for Sale, Amortized Cost
Due in one year or less	$ 563,000
Due after one year through five years	12,880,000
Due after five years through ten years	21,607,000
Due after ten years	5,788,000
Total	104,120,000
Available for Sale, Fair Value
Due in one year or less	564,000
Due after one year through five years	12,766,000
Due after five years through ten years	20,830,000
Due after ten years	5,546,000
Fair Value	101,997,000		$ 93,772,000
Other disclosures
Proceeds from sales of securities available-for-sale	829,000	$ 5,219,000
Gross realized gains on the sale of securities available-for-sale	4,000	12,000
Gross realized losses on the sale of securities available-for-sale	0	$ 10,000
Securities pledged to secure treasury, tax, and loan deposits and other purposes	28,434,000		24,364,000
Held to maturity, Amortized Cost
Due in one year or less	168,000
Due after one year through five years	703,000
Due after five years through ten years	982,000
Due after five years through ten years	440,000
Amortized Cost	2,293,000		2,293,000
Amortized Cost	106,413,000
Held to maturity, Fair Value
Due in one year or less	168,000
Due after one year through five years	701,000
Due after five years through ten years	999,000
Due after ten years	448,000
Fair Value	2,316,000		2,392,000
Investment Securities	104,313,000		96,164,000
U.S. Government agency collateralized mortgage obligations
Available for Sale, Amortized Cost
U.S. Government agency securities	4,088,000
Available for Sale, Fair Value
U.S. Government agency securities	3,965,000
Fair Value	3,965,000		2,680,000
U.S. Government agency residential mortgage-backed securities
Available for Sale, Amortized Cost
U.S. Government agency securities	45,355,000
Available for Sale, Fair Value
U.S. Government agency securities	44,516,000
Fair Value	44,516,000		40,750,000
U.S. Government agency commercial mortgage-backed securities
Available for Sale, Amortized Cost
U.S. Government agency securities	13,839,000
Available for Sale, Fair Value
U.S. Government agency securities	13,810,000
Fair Value	$ 13,810,000		$ 11,526,000

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Investment Securitites (Details 3) $ in Thousands	Dec. 31, 2016 USD ($) security	Sep. 30, 2016 USD ($) security
Total temporary impaired securities
Less than 12 months, Fair Value	$ 82,033	$ 21,590
Less than 12 months, Unrealized Losses	(2,174)	(109)
12 months or longer, Fair Value	3,391	3,596
12 months or longer, Unrealized Losses	(98)	(56)
Total, Fair Value	85,424	25,186
Total, Unrealized Losses	$ (2,272)	$ (165)
Number of securities in an unrealized loss position, greater than twelve months | security	5	5
Number of securities in an unrealized loss position, less than twelve months | security	148	58
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	4
Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 82,721	$ 21,590
Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(2,176)	(109)
Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	3,391	3,596
Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(98)	(56)
Investment Securities, Continuous Unrealized Loss Position, Fair Value	86,112	25,186
Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss	(2,274)	(165)
U.S. Government and agency securities
Total temporary impaired securities
Less than 12 months, Fair Value	0	0
Less than 12 months, Unrealized Losses	0	0
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Total, Fair Value	0	0
Total, Unrealized Losses	0	0
U.S. Government agency residential mortgage-backed securities
Total temporary impaired securities
Less than 12 months, Fair Value	34,517	2,726
Less than 12 months, Unrealized Losses	(870)	(5)
12 months or longer, Fair Value	2,868	3,020
12 months or longer, Unrealized Losses	(63)	(38)
Total, Fair Value	37,385	5,746
Total, Unrealized Losses	(933)	(43)
U.S. Government agency collateralized mortgage obligations
Total temporary impaired securities
Less than 12 months, Fair Value	2,511	0
Less than 12 months, Unrealized Losses	(91)	0
12 months or longer, Fair Value	523	576
12 months or longer, Unrealized Losses	(35)	(18)
Total, Fair Value	3,034	576
Total, Unrealized Losses	(126)	(18)
U.S. Government agency commercial mortgage-backed securities
Total temporary impaired securities
Less than 12 months, Fair Value	9,965	0
Less than 12 months, Unrealized Losses	(48)	0
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Total, Fair Value	9,965	0
Total, Unrealized Losses	(48)	0
Municipal securities-tax exempt
Total temporary impaired securities
Less than 12 months, Fair Value	26,382	18,314
Less than 12 months, Unrealized Losses	(1,079)	(99)
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Total, Fair Value	26,382	18,314
Total, Unrealized Losses	(1,079)	(99)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	688	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(2)	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	688	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	(2)	0
Municipal securities-taxable
Total temporary impaired securities
Less than 12 months, Fair Value	8,658	550
Less than 12 months, Unrealized Losses	(86)	(5)
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Total, Fair Value	8,658	550
Total, Unrealized Losses	$ (86)	$ (5)

XML

Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Loans
Loans	$ 548,770	$ 539,141	$ 501,594
Less: Net deferred loan fees	99	138
Less: Allowance for loan losses	5,451	5,244	4,747	$ 4,598
Net loans	543,220	533,759
Real Estate
Loans
Loans	485,079	479,473
Single family
Loans
Loans	152,391	158,541	150,990
Less: Allowance for loan losses	923	980	1,031	1,073
Multifamily
Loans
Loans	115,946	123,623	118,689
Less: Allowance for loan losses	983	1,015	1,340	1,013
Non-owner occupied
Loans
Loans	127,574	117,971	112,482
Less: Allowance for loan losses	1,584	1,519	1,122	1,091
Owner occupied
Loans
Loans	69,973	63,108	51,033
Less: Allowance for loan losses	942	813	530	513
Construction and land development
Loans
Loans	19,195	16,230	17,163
Less: Allowance for loan losses	403	344	344	330
Commercial business
Loans
Loans	45,025	40,836	31,866
Less: Allowance for loan losses	544	500	302	498
Consumer
Loans
Loans	18,666	18,832	19,371
Less: Allowance for loan losses	72	73	$ 78	$ 80
Home equity lines of credit
Loans
Loans	14,906	14,969
Education
Loans
Loans	3,280	3,401
Other
Loans
Loans	$ 480	$ 462

XML

Loans (Details 2) - USD ($)	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Contractual aging of the recorded investment in past due loans
Current	$ 547,089,000	$ 538,177,000
Total Loans	548,770,000	539,141,000	$ 501,594,000
Troubled debt restructurings - accrual	0	0
Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	703,000	562,000
Single family
Contractual aging of the recorded investment in past due loans
Current	151,010,000	157,803,000
Total Loans	152,391,000	158,541,000	150,990,000
Single family | Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	518,000	338,000
Multifamily
Contractual aging of the recorded investment in past due loans
Current	115,930,000	123,623,000
Total Loans	115,946,000	123,623,000	118,689,000
Multifamily | Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	0	0
Non-owner occupied
Contractual aging of the recorded investment in past due loans
Current	127,574,000	117,971,000
Total Loans	127,574,000	117,971,000	112,482,000
Non-owner occupied | Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	0	0
Owner occupied
Contractual aging of the recorded investment in past due loans
Current	69,973,000	63,108,000
Total Loans	69,973,000	63,108,000	51,033,000
Owner occupied | Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	0	0
Construction and land development
Contractual aging of the recorded investment in past due loans
Current	19,195,000	16,230,000
Total Loans	19,195,000	16,230,000	17,163,000
Construction and land development | Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	0	0
Commercial business
Contractual aging of the recorded investment in past due loans
Current	45,025,000	40,836,000
Total Loans	45,025,000	40,836,000	$ 31,866,000
Commercial business | Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	0	0
Home equity lines of credit
Contractual aging of the recorded investment in past due loans
Current	14,879,000	14,942,000
Total Loans	14,906,000	14,969,000
Home equity lines of credit | Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	35,000	36,000
Education
Contractual aging of the recorded investment in past due loans
Current	3,023,000	3,202,000
Total Loans	3,280,000	3,401,000
Education | Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	150,000	188,000
Other
Contractual aging of the recorded investment in past due loans
Current	480,000	462,000
Total Loans	480,000	462,000
Other | Past due loans
Contractual aging of the recorded investment in past due loans
Recorded investment in nonaccrual loans	0	0
Financing Receivables, 60 to 89 Days Past Due
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	412,000	465,000
Financing Receivables, 60 to 89 Days Past Due | Single family
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	400,000	426,000
Financing Receivables, 60 to 89 Days Past Due | Multifamily
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due | Non-owner occupied
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due | Owner occupied
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due | Construction and land development
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due | Commercial business
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due | Home equity lines of credit
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due | Education
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	12,000	39,000
Financing Receivables, 60 to 89 Days Past Due | Other
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 30 to 59 Days Past Due
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	778,000	250,000
Financing Receivables, 30 to 59 Days Past Due | Single family
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	655,000	239,000
Financing Receivables, 30 to 59 Days Past Due | Multifamily
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	16,000	0
Financing Receivables, 30 to 59 Days Past Due | Non-owner occupied
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 30 to 59 Days Past Due | Owner occupied
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 30 to 59 Days Past Due | Construction and land development
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 30 to 59 Days Past Due | Commercial business
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 30 to 59 Days Past Due | Home equity lines of credit
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 30 to 59 Days Past Due | Education
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	107,000	11,000
Financing Receivables, 30 to 59 Days Past Due | Other
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	491,000	249,000
Financing Receivables, Equal to Greater than 90 Days Past Due | Single family
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	326,000	73,000
Financing Receivables, Equal to Greater than 90 Days Past Due | Multifamily
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Non-owner occupied
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Owner occupied
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Construction and land development
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial business
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Home equity lines of credit
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	27,000	27,000
Financing Receivables, Equal to Greater than 90 Days Past Due | Education
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	138,000	149,000
Financing Receivables, Equal to Greater than 90 Days Past Due | Other
Contractual aging of the recorded investment in past due loans
Financing Receivable, Recorded Investment, Past Due	$ 0	$ 0

XML

Loans (Details 3) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Risk category of loans evaluated by internal asset classification
Total	$ 548,770	$ 539,141	$ 501,594
Single family
Risk category of loans evaluated by internal asset classification
Total	152,391	158,541	150,990
Multifamily
Risk category of loans evaluated by internal asset classification
Total	115,946	123,623	118,689
Non-owner occupied
Risk category of loans evaluated by internal asset classification
Total	127,574	117,971	112,482
Owner occupied
Risk category of loans evaluated by internal asset classification
Total	69,973	63,108	51,033
Construction and land development
Risk category of loans evaluated by internal asset classification
Total	19,195	16,230	17,163
Commercial business
Risk category of loans evaluated by internal asset classification
Total	45,025	40,836	$ 31,866
Home equity lines of credit
Risk category of loans evaluated by internal asset classification
Total	14,906	14,969
Education
Risk category of loans evaluated by internal asset classification
Total	3,280	3,401
Other
Risk category of loans evaluated by internal asset classification
Total	480	462
Pass
Risk category of loans evaluated by internal asset classification
Total	530,649	521,435
Pass | Single family
Risk category of loans evaluated by internal asset classification
Total	149,654	156,042
Pass | Multifamily
Risk category of loans evaluated by internal asset classification
Total	114,224	121,878
Pass | Non-owner occupied
Risk category of loans evaluated by internal asset classification
Total	126,499	116,880
Pass | Owner occupied
Risk category of loans evaluated by internal asset classification
Total	66,899	59,993
Pass | Construction and land development
Risk category of loans evaluated by internal asset classification
Total	19,194	16,228
Pass | Commercial business
Risk category of loans evaluated by internal asset classification
Total	35,607	31,677
Pass | Home equity lines of credit
Risk category of loans evaluated by internal asset classification
Total	14,812	14,874
Pass | Education
Risk category of loans evaluated by internal asset classification
Total	3,280	3,401
Pass | Other
Risk category of loans evaluated by internal asset classification
Total	480	462
Watch
Risk category of loans evaluated by internal asset classification
Total	14,658	15,244
Watch | Single family
Risk category of loans evaluated by internal asset classification
Total	739	744
Watch | Multifamily
Risk category of loans evaluated by internal asset classification
Total	1,722	1,745
Watch | Non-owner occupied
Risk category of loans evaluated by internal asset classification
Total	1,075	695
Watch | Owner occupied
Risk category of loans evaluated by internal asset classification
Total	2,238	3,115
Watch | Construction and land development
Risk category of loans evaluated by internal asset classification
Total	0	0
Watch | Commercial business
Risk category of loans evaluated by internal asset classification
Total	8,884	8,945
Watch | Home equity lines of credit
Risk category of loans evaluated by internal asset classification
Total	0	0
Watch | Education
Risk category of loans evaluated by internal asset classification
Total	0	0
Watch | Other
Risk category of loans evaluated by internal asset classification
Total	0	0
Special Mention
Risk category of loans evaluated by internal asset classification
Total	0	610
Special Mention | Single family
Risk category of loans evaluated by internal asset classification
Total	0	0
Special Mention | Multifamily
Risk category of loans evaluated by internal asset classification
Total	0	0
Special Mention | Non-owner occupied
Risk category of loans evaluated by internal asset classification
Total	0	396
Special Mention | Owner occupied
Risk category of loans evaluated by internal asset classification
Total	0	0
Special Mention | Construction and land development
Risk category of loans evaluated by internal asset classification
Total	0	0
Special Mention | Commercial business
Risk category of loans evaluated by internal asset classification
Total	0	214
Special Mention | Home equity lines of credit
Risk category of loans evaluated by internal asset classification
Total	0	0
Special Mention | Education
Risk category of loans evaluated by internal asset classification
Total	0	0
Special Mention | Other
Risk category of loans evaluated by internal asset classification
Total	0	0
Substandard
Risk category of loans evaluated by internal asset classification
Total	3,463	1,852
Substandard | Single family
Risk category of loans evaluated by internal asset classification
Total	1,998	1,755
Substandard | Multifamily
Risk category of loans evaluated by internal asset classification
Total	0	0
Substandard | Non-owner occupied
Risk category of loans evaluated by internal asset classification
Total	0	0
Substandard | Owner occupied
Risk category of loans evaluated by internal asset classification
Total	836	0
Substandard | Construction and land development
Risk category of loans evaluated by internal asset classification
Total	1	2
Substandard | Commercial business
Risk category of loans evaluated by internal asset classification
Total	534	0
Substandard | Home equity lines of credit
Risk category of loans evaluated by internal asset classification
Total	94	95
Substandard | Education
Risk category of loans evaluated by internal asset classification
Total	0	0
Substandard | Other
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful | Single family
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful | Multifamily
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful | Non-owner occupied
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful | Owner occupied
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful | Construction and land development
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful | Commercial business
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful | Home equity lines of credit
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful | Education
Risk category of loans evaluated by internal asset classification
Total	0	0
Doubtful | Other
Risk category of loans evaluated by internal asset classification
Total	$ 0	$ 0

XML

Loans (Details 4) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Allowance for loan losses
Balance, beginning	$ 5,244	$ 4,598
Provision for loan losses	200	150
Loans charge-off	0	(10)
Recoveries	7	9
Balance, ending	5,451	4,747
Period-ended amount allocated for:
Individually evaluated for impairment			$ 54		$ 78
Collectively evaluated for impairment			5,397		4,669
Ending Balance	5,244	4,598	5,451	$ 5,244	4,747
Loans:
Individually evaluated for impairment			3,255		3,515
Collectively evaluated for impairment			545,515		498,079
Total Loans			548,770	539,141	501,594
Real Estate
Loans:
Total Loans			485,079	479,473
Single family
Allowance for loan losses
Balance, beginning	980	1,073
Provision for loan losses	(57)	(42)
Loans charge-off	0	0
Recoveries	0	0
Balance, ending	923	1,031
Period-ended amount allocated for:
Individually evaluated for impairment			3		23
Collectively evaluated for impairment			920		1,008
Ending Balance	980	1,073	923	980	1,031
Loans:
Individually evaluated for impairment			1,447		1,605
Collectively evaluated for impairment			150,944		149,385
Total Loans			152,391	158,541	150,990
Multifamily
Allowance for loan losses
Balance, beginning	1,015	1,013
Provision for loan losses	(32)	327
Loans charge-off	0	0
Recoveries	0	0
Balance, ending	983	1,340
Period-ended amount allocated for:
Individually evaluated for impairment			0		0
Collectively evaluated for impairment			983		1,340
Ending Balance	1,015	1,013	983	1,015	1,340
Loans:
Individually evaluated for impairment			1,722		1,816
Collectively evaluated for impairment			114,224		116,873
Total Loans			115,946	123,623	118,689
Non-owner occupied
Allowance for loan losses
Balance, beginning	1,519	1,091
Provision for loan losses	65	31
Loans charge-off	0	0
Recoveries	0	0
Balance, ending	1,584	1,122
Period-ended amount allocated for:
Individually evaluated for impairment			0		0
Collectively evaluated for impairment			1,584		1,122
Ending Balance	1,519	1,091	1,584	1,519	1,122
Loans:
Individually evaluated for impairment			0		0
Collectively evaluated for impairment			127,574		112,482
Total Loans			127,574	117,971	112,482
Owner occupied
Allowance for loan losses
Balance, beginning	813	513
Provision for loan losses	129	16
Loans charge-off	0	0
Recoveries	0	1
Balance, ending	942	530
Period-ended amount allocated for:
Individually evaluated for impairment			0		0
Collectively evaluated for impairment			942		530
Ending Balance	813	513	942	813	530
Loans:
Individually evaluated for impairment			0		0
Collectively evaluated for impairment			69,973		51,033
Total Loans			69,973	63,108	51,033
Construction and land development
Allowance for loan losses
Balance, beginning	344	330
Provision for loan losses	59	14
Loans charge-off	0	0
Recoveries	0	0
Balance, ending	403	344
Period-ended amount allocated for:
Individually evaluated for impairment			0		0
Collectively evaluated for impairment			403		344
Ending Balance	344	330	403	344	344
Loans:
Individually evaluated for impairment			0		0
Collectively evaluated for impairment			19,195		17,163
Total Loans			19,195	16,230	17,163
Commercial business
Allowance for loan losses
Balance, beginning	500	498
Provision for loan losses	39	(200)
Loans charge-off	0	0
Recoveries	5	4
Balance, ending	544	302
Period-ended amount allocated for:
Individually evaluated for impairment			0		0
Collectively evaluated for impairment			544		302
Ending Balance	500	498	544	500	302
Loans:
Individually evaluated for impairment			0		0
Collectively evaluated for impairment			45,025		31,866
Total Loans			45,025	40,836	31,866
Consumer and other
Allowance for loan losses
Balance, beginning	73	80
Provision for loan losses	(3)	4
Loans charge-off	0	(10)
Recoveries	2	4
Balance, ending	72	78
Period-ended amount allocated for:
Individually evaluated for impairment			51		55
Collectively evaluated for impairment			21		23
Ending Balance	$ 73	$ 80	72	73	78
Loans:
Individually evaluated for impairment			86		94
Collectively evaluated for impairment			18,580		19,277
Total Loans			$ 18,666	$ 18,832	$ 19,371

XML

Loans (Details 5) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Unpaid Principal Balance
Total	$ 3,515	$ 3,810
Recorded Investment
Total	3,255	3,515
Allowance for Loan Losses Allocated
With an allowance recorded	54	78
Average Recorded Investment
Total	3,274	3,585
Interest Income Recognized
Total	36	37
Single family
Unpaid Principal Balance
With no related allowance recorded	1,309	1,338
With an allowance recorded	273	411
Recorded Investment
With no related allowance recorded	1,174	1,194
With an allowance recorded	273	411
Allowance for Loan Losses Allocated
With an allowance recorded	3	23
Average Recorded Investment
With no related allowance recorded	1,315	1,189
With an allowance recorded	137	412
Interest Income Recognized
With no related allowance	12	14
With related allowance	5	3
Multifamily
Unpaid Principal Balance
With no related allowance recorded	1,764	1,889
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded	1,722	1,816
With an allowance recorded	0	0
Allowance for Loan Losses Allocated
With an allowance recorded	0	0
Average Recorded Investment
With no related allowance recorded	1,734	1,824
With an allowance recorded	0	0
Interest Income Recognized
With no related allowance	18	19
With related allowance	0	0
Non-owner occupied
Unpaid Principal Balance
With no related allowance recorded	0	0
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded	0	0
With an allowance recorded	0	0
Allowance for Loan Losses Allocated
With an allowance recorded	0	0
Average Recorded Investment
With no related allowance recorded	0	0
With an allowance recorded	0	0
Interest Income Recognized
With no related allowance	0	0
With related allowance	0	0
Owner occupied
Unpaid Principal Balance
With no related allowance recorded	0	0
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded	0	0
With an allowance recorded	0	0
Allowance for Loan Losses Allocated
With an allowance recorded	0	0
Average Recorded Investment
With no related allowance recorded	0	0
With an allowance recorded	0	0
Interest Income Recognized
With no related allowance	0	0
With related allowance	0	0
Construction and land development
Unpaid Principal Balance
With no related allowance recorded	4	0
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded	0	0
With an allowance recorded	0	0
Allowance for Loan Losses Allocated
With an allowance recorded	0	0
Average Recorded Investment
With no related allowance recorded	0	0
With an allowance recorded	0	0
Interest Income Recognized
With no related allowance	0	0
With related allowance	0	0
Commercial business
Unpaid Principal Balance
With no related allowance recorded	0	0
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded	0	0
With an allowance recorded	0	0
Allowance for Loan Losses Allocated
With an allowance recorded	0	0
Average Recorded Investment
With no related allowance recorded	0	0
With an allowance recorded	0	0
Interest Income Recognized
With no related allowance	0	0
With related allowance	0	0
Consumer and other
Unpaid Principal Balance
With no related allowance recorded	114	117
With an allowance recorded	51	55
Recorded Investment
With no related allowance recorded	35	39
With an allowance recorded	51	55
Allowance for Loan Losses Allocated
With an allowance recorded	51	55
Average Recorded Investment
With no related allowance recorded	36	105
With an allowance recorded	52	55
Interest Income Recognized
With no related allowance	0	0
With related allowance	$ 1	$ 1

XML

Loans (Details 6)	3 Months Ended
	Dec. 31, 2016 USD ($) contract	Dec. 31, 2015 USD ($) contract	Sep. 30, 2016 USD ($)
Troubled debt restructured loans
Troubled debt restructurings - accrual	$ 0		$ 0
Modified Trouble Debt Restructurings
Number of Modifications | contract	0	0
Unpaid Principal Balance (at end of period)	$ 0	$ 0
Loans Modified in a Trouble Debt Restructuring [Abstract]
Number of re-defaults of TDR | contract	0	0
Past due loans
Troubled debt restructured loans
Troubled debt restructurings - accrual	$ 2,719,000		3,021,000
Troubled debt restructurings - nonaccrual	0		0
Troubled debt restructurings	$ 2,719,000		$ 3,021,000

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Loans Loans (Details 7) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Sep. 30, 2016
Loans and Leases Receivable, Related Parties [Roll Forward]
Loans outstanding to officers, employees, directors, and their associates	$ 9,747	$ 7,813
Loans and Leases Receivable, Related Parties, Additions	2,468
Loans and Leases Receivable, Related Parties, Amount Drawn Upon During Period	29
Loans and Leases Receivable, Related Parties, Collections	$ (563)

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Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Negotiable order for withdrawal accounts:
Noninterest bearing	$ 127,670	$ 111,841
Interest bearing	141,089	135,866
Gross total	268,759	247,707
Passbook and Statement Savings	134,214	133,155
Variable Rate Money Market Accounts	71,309	64,593
Certificates of Deposit	155,570	146,522
Deposits	$ 629,852	$ 591,977
Negotiable order for withdrawal accounts:
Noninterest bearing (as a percent)	20.27%	18.89%
Interest bearing (as a percent)	22.40%	22.95%
Gross total (as a percent)	42.67%	41.84%
Passbook and Statement Savings (as a percent)	21.31%	22.50%
Variable Rate Money Market Accounts (as a percent)	11.32%	10.91%
Certificates of Deposit (as a percent)	24.70%	24.75%
Deposits (as a percent)	100.00%	100.00%
Certificates of Deposit over one hundred thousand dollars	$ 97,293	$ 89,588
Certificates of Deposit over two hundred fifty thousand dollars	$ 29,146	$ 26,154

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Regulatory Capital (Details) - Westbury Bank - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Total capital (to risk-weighted assets), Amount
Actual	$ 77,463	$ 76,627
For Capital Adequacy Purposes	47,620	45,283
For Capital Adequacy Purposes with Capital Buffer	51,341	48,821
To be Well Capitalized Under Prompt Corrective Action Provisions	$ 59,525	$ 56,604
Total capital (to risk-weighted assets), Ratio
Actual (as a percent)	13.01%	13.54%
For Capital Adequacy Purposes (as a percent)	8.00%	8.00%
For Capital Adequacy with Capital Buffer (as a percent)	8.625%	8.625%
To be Well Capitalized Under Prompt Corrective Action Provisions (as a percent)	10.00%	10.00%
Tier 1 capital (to risk-weighted assets), Amount
Actual	$ 72,012	$ 71,383
For Capital Adequacy Purposes	35,715	33,963
For Capital Adequacy Purposes with Capital Buffer	39,436	37,500
To be Well Capitalized Under Prompt Corrective Action Provisions	$ 47,620	$ 45,283
Tier 1 capital (to risk-weighted assets), Ratio
Actual (as a percent)	12.10%	12.61%
For Capital Adequacy Purposes (as a percent)	6.00%	6.00%
For Capital Adequacy with Capital Buffer (as a percent)	6.625%	6.625%
To be Well Capitalized Under Prompt Corrective Action Provisions (as a percent)	8.00%	8.00%
CETI capital (to risk-weighted assets), Amount
Actual	$ 72,012	$ 71,383
For Capital Adequacy Purposes Under Prompt Corrective Action Provisions	26,786	25,472
For Capital Adequacy Purposes with Capital Buffer	30,507	29,010
To Be Well Capitalized Under Prompt Corrective Action Provisions	$ 38,692	$ 36,793
CETI capital (to risk-weighted assets), Ratio
Actual (as a percent)	12.10%	12.61%
For Capital Adequacy Purposes (as a percent)	4.50%	4.50%
For Capital Adequacy with Capital Buffer (as a pecent)	5.125%	5.125%
To Be Well Capitalized Under Prompt Corrective Action Provisions (as a percent)	6.50%	6.50%
Tier 1 capital (to adjusted total assets), Amount
Actual	$ 72,012	$ 71,383
For Capital Adequacy Purposes	28,323	27,911
To be Well Capitalized Under Prompt Corrective Action Provisions	$ 35,404	$ 34,889
Tier 1 capital (to adjusted total assets), Ratio
Actual (as a percent)	10.17%	10.23%
For Capital Adequacy Purposes (as a percent)	4.00%	4.00%
To be Well Capitalized Under Prompt Corrective Action Provisions (as a percent)	5.00%	5.00%

XML

Regulatory Capital- Stockholders' equity of the Bank (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Sep. 30, 2015	Sep. 30, 2016	Dec. 31, 2015
Regulatory Capital
Stockholders' equity	$ 78,312	$ 78,812	$ 79,629	$ 79,118
Westbury Bank
Regulatory Capital
Stockholders' equity	72,020		73,332
Unrealized (gain) loss on securities	1,290	$ (561)
Disallowed deferred tax assets	(1,298)		(1,388)
Tier 1 and tangible capital	72,012		71,383
Plus: Allowable general valuation allowances	5,451		5,244
Actual	$ 77,463		$ 76,627

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Commitments (Details) - USD ($)	3 Months Ended
	Dec. 31, 2016	Sep. 30, 2016
Financial Instruments with Off-Balance Sheet Risk
Liabilities recorded for company's potential obligations	$ 0	$ 0
Fixed rate commitments to extend mortgage credit
Financial Instruments with Off-Balance Sheet Risk
Financial instruments whose contract amounts represent credit risk	17,776,000	2,013,000
Adjustable rate commitments to extend mortgage credit
Financial Instruments with Off-Balance Sheet Risk
Financial instruments whose contract amounts represent credit risk	6,909,000	1,442,000
Standby letters of credit
Financial Instruments with Off-Balance Sheet Risk
Financial instruments whose contract amounts represent credit risk	$ 1,122,000	1,076,000
Maximum period of letters of credit primarily issued to support public and private borrowing arrangements	1 year
Commitment to sell loans
Financial Instruments with Off-Balance Sheet Risk
Financial instruments whose contract amounts represent credit risk	$ 1,156,000	1,881,000
Commercial Loan [Member] | Unused commercial loan lines of credit
Financial Instruments with Off-Balance Sheet Risk
Financial instruments whose contract amounts represent credit risk	69,995,000	68,752,000
Home Equity Loan [Member] | Unused commercial loan lines of credit
Financial Instruments with Off-Balance Sheet Risk
Financial instruments whose contract amounts represent credit risk	$ 27,045,000	$ 27,315,000

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Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Sep. 30, 2016
Assets
Securities available-for-sale	$ 101,997	$ 93,772
U.S. Government and agency securities
Assets
Securities available-for-sale	25	25
U.S. Government agency residential mortgage-backed securities
Assets
Securities available-for-sale	44,516	40,750
U.S. Government agency collateralized mortgage obligations
Assets
Securities available-for-sale	3,965	2,680
U.S. Government agency commercial mortgage-backed securities
Assets
Securities available-for-sale	13,810	11,526
Municipal securities-tax exempt
Assets
Securities available-for-sale	26,993	25,682
Municipal securities-taxable
Assets
Securities available-for-sale	12,688	13,109
Quoted Prices in Active Markets for Identical Assets (Level 1)
Liabilities
Derivatives	$ 0	0
Significant Other Observable Inputs (Level 2)
Assets and liabilities measured at fair value
Period of U.S. Treasury rate	10 years
Assets
Securities available-for-sale	$ 101,997	93,772
Derivatives		98
Liabilities
Derivatives	0	98
Significant Other Unobservable Inputs (Level 3)
Liabilities
Derivatives	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available-for-sale	0	0
Derivatives	0	0
Liabilities
Derivatives	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Government and agency securities
Assets
Securities available-for-sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Government agency residential mortgage-backed securities
Assets
Securities available-for-sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Government agency collateralized mortgage obligations
Assets
Securities available-for-sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal securities-tax exempt
Assets
Securities available-for-sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal securities-taxable
Assets
Securities available-for-sale	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate Debt Securities [Member]
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Other Observable Inputs (Level 2)
Assets
Securities available-for-sale	101,997	93,772
Derivatives	0	98
Liabilities
Derivatives	0	98
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Government and agency securities
Assets
Securities available-for-sale	25	25
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Government agency residential mortgage-backed securities
Assets
Securities available-for-sale	44,516	40,750
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Government agency collateralized mortgage obligations
Assets
Securities available-for-sale	3,965	2,680
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Government agency commercial mortgage-backed securities
Assets
Securities available-for-sale	13,810	11,526
Recurring basis | Significant Other Observable Inputs (Level 2) | Municipal securities-tax exempt
Assets
Securities available-for-sale	26,993	25,682
Recurring basis | Significant Other Observable Inputs (Level 2) | Municipal securities-taxable
Assets
Securities available-for-sale	12,688	13,109
Recurring basis | Significant Other Observable Inputs (Level 2) | Corporate Debt Securities [Member]
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Other Unobservable Inputs (Level 3)
Assets
Securities available-for-sale	0	0
Derivatives	0	0
Liabilities
Derivatives	0	0
Recurring basis | Significant Other Unobservable Inputs (Level 3) | U.S. Government and agency securities
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Other Unobservable Inputs (Level 3) | U.S. Government agency residential mortgage-backed securities
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Other Unobservable Inputs (Level 3) | U.S. Government agency collateralized mortgage obligations
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Other Unobservable Inputs (Level 3) | Municipal securities-tax exempt
Assets
Securities available-for-sale	0	0
Recurring basis | Significant Other Unobservable Inputs (Level 3) | Municipal securities-taxable
Assets
Securities available-for-sale	0
Recurring basis | Significant Other Unobservable Inputs (Level 3) | Corporate Debt Securities [Member]
Assets
Securities available-for-sale	0	0
Total
Assets
Securities available-for-sale	101,997	93,772
Derivatives		98
Liabilities
Derivatives	0	98
Total | Recurring basis
Assets
Securities available-for-sale	101,997	93,772
Derivatives	0	98
Liabilities
Derivatives	0	98
Total | Recurring basis | U.S. Government and agency securities
Assets
Securities available-for-sale	25	25
Total | Recurring basis | U.S. Government agency residential mortgage-backed securities
Assets
Securities available-for-sale	44,516	40,750
Total | Recurring basis | U.S. Government agency collateralized mortgage obligations
Assets
Securities available-for-sale	3,965	2,680
Total | Recurring basis | U.S. Government agency commercial mortgage-backed securities
Assets
Securities available-for-sale	13,810	11,526
Total | Recurring basis | Municipal securities-tax exempt
Assets
Securities available-for-sale	26,993	25,682
Total | Recurring basis | Municipal securities-taxable
Assets
Securities available-for-sale	12,688	13,109
Total | Recurring basis | Corporate Debt Securities [Member]
Assets
Securities available-for-sale	$ 0	$ 0

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Fair Value Measurements (Details 2) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Assets measured at fair value on a nonrecurring basis
Impaired loans, valuation allowance	$ 54		$ 78
Foreclosed real estate	0	$ 99
Significant Other Unobservable Inputs (Level 3)
Assets measured at fair value on a nonrecurring basis
Mortgage servicing rights	841	800
Carrying Amount
Assets measured at fair value on a nonrecurring basis
Mortgage servicing rights	841	800
Total
Assets measured at fair value on a nonrecurring basis
Mortgage servicing rights	841	800
Nonrecurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets measured at fair value on a nonrecurring basis
Impaired loans	0	0
Foreclosed real estate	0	0
Mortgage servicing rights	0	0
Nonrecurring Basis | Significant Other Observable Inputs (Level 2)
Assets measured at fair value on a nonrecurring basis
Impaired loans	0	0
Foreclosed real estate	0	0
Mortgage servicing rights	0	0
Nonrecurring Basis | Significant Other Unobservable Inputs (Level 3)
Assets measured at fair value on a nonrecurring basis
Impaired loans, valuation allowance	55	52
Mortgage servicing rights, valuation allowance	105	212
Impaired loans	270	0
Foreclosed real estate	0	99
Mortgage servicing rights	841	800
Nonrecurring Basis | Carrying Amount | Significant Other Unobservable Inputs (Level 3)
Assets measured at fair value on a nonrecurring basis
Impaired loans	325	52
Mortgage servicing rights	946	1,012
Nonrecurring Basis | Total
Assets measured at fair value on a nonrecurring basis
Impaired loans	270	0
Foreclosed real estate	0	99
Mortgage servicing rights	$ 841	$ 800

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Fair Value Measurements (Details 3) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Financial assets:
Securities available-for-sale	$ 101,997	$ 93,772
Securities held to maturity	2,293	2,293
Federal Home Loan Bank stock	1,330	1,330
Financial liabilities:
Long-term advances from Federal Home Loan Bank	20,000	20,000
Advance payments by borrowers for property taxes and insurance	550	5,455
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Cash and cash equivalents	41,996	29,613
Securities held to maturity	0	0
Accrued interest receivable	2,299	2,173
Financial liabilities:
Deposits	127,670	111,841
Short-term advances from Federal Home Loan Bank	0	0
Long-term advances from Federal Home Loan Bank	0	0
Advance payments by borrowers for property taxes and insurance	550	5,455
Accrued interest payable	7	5
Derivative liability	0	0
Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	101,997	93,772
Securities held to maturity	2,316	2,392
Loans held for sale, net	1,156	1,881
Derivative asset		98
Financial liabilities:
Deposits	0	0
Short-term advances from Federal Home Loan Bank	0	0
Long-term advances from Federal Home Loan Bank	0	0
Advance payments by borrowers for property taxes and insurance	0	0
Accrued interest payable	0	0
Derivative liability	0	98
Significant Other Unobservable Inputs (Level 3)
Financial assets:
Securities held to maturity	0	0
Loans, net	540,680	536,434
Federal Home Loan Bank stock	1,330	1,330
Mortgage servicing rights	841	800
Financial liabilities:
Deposits	467,115	462,946
Short-term advances from Federal Home Loan Bank	0	0
Long-term advances from Federal Home Loan Bank	18,785	19,472
Advance payments by borrowers for property taxes and insurance	0	0
Accrued interest payable	0	0
Derivative liability	0	0
Carrying Amount
Financial assets:
Cash and cash equivalents	41,996	29,613
Securities available-for-sale	101,997	93,772
Securities held to maturity	2,293	2,293
Loans, net	543,220	533,759
Loans held for sale, net	1,156	1,881
Federal Home Loan Bank stock	1,330	1,330
Mortgage servicing rights	841	800
Accrued interest receivable	2,299	2,173
Derivative asset		98
Financial liabilities:
Deposits	629,852	591,977
Short-term advances from Federal Home Loan Bank	0	0
Long-term advances from Federal Home Loan Bank	20,000	20,000
Advance payments by borrowers for property taxes and insurance	550	5,455
Accrued interest payable	7	5
Derivative liability	0	98
Estimated Fair Value
Financial assets:
Cash and cash equivalents	41,996	29,613
Securities available-for-sale	101,997	93,772
Securities held to maturity	2,316	2,392
Loans, net	540,680	536,434
Loans held for sale, net	1,156	1,881
Federal Home Loan Bank stock	1,330	1,330
Mortgage servicing rights	841	800
Accrued interest receivable	2,299	2,173
Derivative asset		98
Financial liabilities:
Deposits	594,785	574,787
Short-term advances from Federal Home Loan Bank	0	0
Long-term advances from Federal Home Loan Bank	18,785	19,472
Advance payments by borrowers for property taxes and insurance	550	5,455
Accrued interest payable	7	5
Derivative liability	$ 0	$ 98

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Employee Stock Ownership Plan (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2016	Apr. 11, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Employee Stock Ownership Plan (ESOP), Debt Structure, Indirect Loan, Amount				$ 4,100
employee stock ownership plan, price per share				$ 10.00
ESOP committed-to-be-released shares, during period	10,285	5,142
ESOP compensation expense	$ 207	$ 91
Allocated shares to active participants	52,759		52,773
Shares committed to be released	41,140		30,855
Unallocated shares	308,553		318,838
Total ESOP shares	402,452		402,466	411,403
Fair value of unallocated shares	$ 6,387		$ 6,227

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Compensation Equity Plans Cost of Share-based Payment Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Total cost of stock grant plan during the period	$ 134	$ 151
Total cost of stock option plan during the period	64	57
Total cost of share-based payment plans during the period	198	208
Amount of related income tax benefit recognized in income	$ 78	$ 82

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Compensation Equity Plans Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Number of Options
Options outstanding, beginning balance (shares)	474,132
Granted (shares)	2,750
Exercised (shares)	0	4,298
Expired or canceled (shares)	150
Forfeited (shares)	12,547
Options outstanding, ending balance (shares)	464,185
Options exercisable as of June 30, 2015 (shares)	135,657
Weighted Average Exercise Price
Options outstanding, beginning balance (in dollars per share)	$ 16.46
Granted (in dollars per share)	21.00
Exercised (in dollars per share)	0.00
Expired or canceled (in dollars per share)	17.35
Forfeited (in dollars per share)	16.15
Options outstanding, ending balance (in dollars per share)	16.49
Options exercisable as of March 31, 2015 (in dollars per share)	$ 15.49
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Outstanding, Weighted Average Remaining Contractual Term	8 years 22 days
Outstanding, Aggregate Intrinsic Value	$ 1,953
Options Exercisable, Weighted Average Remaining Contractual Term	7 years 7 months 13 days
Options Exercisable, Aggregate Intrinsic Value	$ 707

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Compensation Equity Plans Assumptions (Details) - $ / shares	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Risk-free interest rate	2.19%	1.99%
Expected volatility of Company's stock	15.74%	7.44%
Expected dividend yield	0.00%	0.00%
Expected life of options (years)	7 years 6 months	7 years 6 months
Weighted average fair value per option of options granted during the period	$ 5.14	$ 2.89

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Compensation Equity Plans Restricted Shares (Details) - Restricted Shares and Units	3 Months Ended
	Dec. 31, 2016 $ / shares shares
Number of Shares
Shares Outstanding at September 30, 2014 | shares	114,883
Granted | shares	7,500
Vested | shares	0
Forfeited | shares	4,278
Shares Outstanding at June 30, 2015 | shares	118,105
Weighted Average Grant Date Fair Value
Shares Outstanding at September 30, 2014 (in dollars per share) | $ / shares	$ 15.20
Granted (in dollars per share) | $ / shares	21.50
Vested (in dollars per share) | $ / shares	0.00
Forfeited (in dollars per share) | $ / shares	15.20
Shares Outstanding at March 31, 2015 (in dollars per share) | $ / shares	$ 15.60

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Compensation Equity Plans Narrative (Details) - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, minimum	5 years
Vesting period, maximum	10 years
Restricted share vesting period	5 years
Intrinsic value of options exercised during the period	$ 0	$ 10,000
Intrinsic value of restricted shares vested during the period	0	$ 0
Compensation cost not yet recognized	$ 2,400,000
Period for recognition	3 years 7 days
Restricted Shares and Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of restricted shares vested during the period	$ 0
Westbury Bancorp Inc 2014 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized			509,162
Westbury Bancorp Inc 2014 Equity Incentive Plan | Restricted Shares and Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized			203,665
Number of shares available for grant-stock grants	5,536
Westbury Bancorp Inc 2014 Equity Incentive Plan | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant-stock options	34,784

XML

Condensed Parent Company Financial Information Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and interest bearing deposits	$ 41,996	$ 29,613	$ 40,060	$ 16,488
Other assets	4,098	4,010
Total assets	732,996	702,625
Other liabilities	4,282	5,564
Stockholders' equity	78,312	79,629	$ 79,118	$ 78,812
Liabilities and Equity	732,996	702,625
Parent Company
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and interest bearing deposits	611	251
Investments	46	55
Loan to ESOP	3,197	3,620
Investment in subsidiary	74,352	75,872
Other assets	2,477	2,397
Total assets	80,683	82,195
Other liabilities	38	26
Stockholders' equity	80,645	82,169
Liabilities and Equity	$ 80,683	$ 82,195

XML

Condensed Parent Company Financial Information Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Condensed Income Statements, Captions [Line Items]
Net income	$ 747	$ 1,039
Parent Company
Condensed Income Statements, Captions [Line Items]
Interest and other income	32	32
Interest and other expense	142	121
Loss before income tax benefit and equity in undistributed net income of subsidiary	(110)	(89)
Income tax benefit	(26)	(18)
Loss before equity in undistributed net income of subsidiary	(84)	(71)
Equity in undistributed net income of subsidiary	831	1,110
Net income	$ 747	$ 1,039

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Condensed Parent Company Financial Information Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income	$ 747	$ 1,039
Net change in other assets	(88)	(391)
Net cash provided by operating activities	(3,600)	(4,742)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of securities	(15,226)	(12,375)
Net cash provided by investing activities	(21,274)	(8,868)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Stock options exercised	0	64
Repurchase of common stock	(618)	(506)
Net cash used in financing activities	37,257	37,182
Parent Company
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income	747	1,039
Equity in undistributed net income of subsidiary	(831)	(1,110)
Net change in other liabilities	12	(32)
Net change in other assets	118	742
Net cash provided by operating activities	46	639
Net Cash Provided by (Used in) Investing Activities [Abstract]
Sales and maturities of securities	9	29
Payments received on ESOP loan	423	158
Dividend received from bank subsidiary	(500)	(1,500)
Net cash provided by investing activities	932	1,687
Net Cash Provided by (Used in) Financing Activities [Abstract]
Stock options exercised	0	64
Repurchase of common stock	(618)	(506)
Net cash used in financing activities	(618)	(442)
Net increase in cash	360	1,884
Beginning of period	251	1,440
End of period	$ 611	$ 3,324