<SEC-DOCUMENT>0001104659-18-033419-index.html : 20180515
<SEC-HEADER>0001104659-18-033419.hdr.sgml : 20180515
<ACCEPTANCE-DATETIME>20180515152705
ACCESSION NUMBER:		0001104659-18-033419
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180515
DATE AS OF CHANGE:		20180515
EFFECTIVENESS DATE:		20180515

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:		18835871

	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>a18-7092_4defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: a18-7092_4defa14a.htm

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g70924bci001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g70924bci001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g70924bci002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g70924bci002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g70924bci003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g70924bci003.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g70924bci004.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g70924bci004.gif

</DOCUMENT>
</SEC-DOCUMENT>