<SEC-DOCUMENT>0001104659-19-017810-index.html : 20190327
<SEC-HEADER>0001104659-19-017810.hdr.sgml : 20190327
<ACCEPTANCE-DATETIME>20190327151724
ACCESSION NUMBER:		0001104659-19-017810
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20190327
DATE AS OF CHANGE:		20190327
EFFECTIVENESS DATE:		20190327

FILER:

	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

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12672
		FILM NUMBER:		19708168

	BUSINESS ADDRESS:	
		STREET 1:		671 N. GLEBE ROAD
		STREET 2:		SUITE 800
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22203
		BUSINESS PHONE:		7033296300

	MAIL ADDRESS:	
		STREET 1:		671 N. GLEBE ROAD
		STREET 2:		STE 800
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22203

	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>DEFA14A
<SEQUENCE>1
<FILENAME>a19-5201_2defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: a19-5201_2defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g52012bii001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g52012bii001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g52012bii002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g52012bii002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g52012bii003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g52012bii003.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g52012bii004.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g52012bii004.gif

</DOCUMENT>
</SEC-DOCUMENT>