-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QvL+JM5Ft6hIOLK0uY0fX6qlRDLRkV96sVeInu+tsthov+LuhP1FTiAzd2JXKWHz
 zKhHRi63+0gbdqydv3l3rg==

<SEC-DOCUMENT>0001209191-10-003414.txt : 20100119
<SEC-HEADER>0001209191-10-003414.hdr.sgml : 20100118
<ACCEPTANCE-DATETIME>20100119111032
ACCESSION NUMBER:		0001209191-10-003414
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090521
FILED AS OF DATE:		20100119
DATE AS OF CHANGE:		20100119

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Breslin Sean J.
		CENTRAL INDEX KEY:			0001463826

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12672
		FILM NUMBER:		10532365

	MAIL ADDRESS:	
		STREET 1:		2900 EISENHOWER AVE.
		STREET 2:		SUITE 300
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22314

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AVALONBAY COMMUNITIES INC
		CENTRAL INDEX KEY:			0000915912
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				770404318
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2900 EISENHOWER AVENUE
		STREET 2:		SUITE 300
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22314
		BUSINESS PHONE:		7033296300

	MAIL ADDRESS:	
		STREET 1:		2900 EISENHOWER AVENUE
		STREET 2:		STE 300
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22314

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AVALON BAY COMMUNITIES INC
		DATE OF NAME CHANGE:	19980618

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BAY APARTMENT COMMUNITIES INC
		DATE OF NAME CHANGE:	19931208
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>doc3a.xml
<DESCRIPTION>FORM 3/A SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2009-05-21</periodOfReport>

    <dateOfOriginalSubmission>2009-06-01</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000915912</issuerCik>
        <issuerName>AVALONBAY COMMUNITIES INC</issuerName>
        <issuerTradingSymbol>AVB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001463826</rptOwnerCik>
            <rptOwnerName>Breslin Sean J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AVALONBAY COMMUNITIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2900 EISENHOWER AVE., SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>ALEXANDRIA</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22314</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>96.19</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2007-02-09</value>
            </exerciseDate>
            <expirationDate>
                <value>2016-02-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6034</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This amendment corrects the reporting person's original Form 3 filed on 6/1/09.  The original Form 3 incorrectly reported that the reporting person held 8,960 options granted on 2/9/06 with an exercise price of $96.19.  These options became exercisable in three annual installments beginning on 2/9/07</footnote>
        <footnote id="F2">The original Form 3 incorrectly reported that the reporting person held a total of 29,733 options.  The reporting person holds a total of 26,807 options to purchase the issuer's common stock granted on various dates and with varying exercise prices and vesting dates.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Catherine T. White, as attorney-in-fact under Power of Attorney dated May 26, 2009</signatureName>
        <signatureDate>2010-01-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----