    <SEC-DOCUMENT>0001308179-23-000621-index.html : 20230410
    <SEC-HEADER>0001308179-23-000621.hdr.sgml : 20230410
    <ACCEPTANCE-DATETIME>20230410163219
    ACCESSION NUMBER:		0001308179-23-000621
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		6
    FILED AS OF DATE:		20230410
    DATE AS OF CHANGE:		20230410

    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:		23811493

    	BUSINESS ADDRESS:
    		STREET 1:		4040 WILSON BOULEVARD
    		STREET 2:		STE 1000
    		CITY:			ARLINGTON
    		STATE:			VA
    		ZIP:			22203
    		BUSINESS PHONE:		7033296300

    	MAIL ADDRESS:
    		STREET 1:		4040 WILSON BOULEVARD
    		STREET 2:		STE 1000
    		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>lavb2023_defa14a.htm
    <DESCRIPTION>AVALONBAY COMMUNITIES INC - DEFA14A
    <TEXT>
    Document 1 - file: lavb2023_defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>check01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: check01.jpg

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>notice1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: notice1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>notice2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: notice2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>uncheck.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: uncheck.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>