<SEC-DOCUMENT>0001104659-21-136393-index.html : 20211109
<SEC-HEADER>0001104659-21-136393.hdr.sgml : 20211109
<ACCEPTANCE-DATETIME>20211109173006
ACCESSION NUMBER:		0001104659-21-136393
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20211109
DATE AS OF CHANGE:		20211109

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:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-253532
		FILM NUMBER:		211393439

	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>424B5
<SEQUENCE>1
<FILENAME>tm2132170-2_424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: tm2132170-2_424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>lg_avalonbaycomm-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lg_avalonbaycomm-4c.jpg

</DOCUMENT>
</SEC-DOCUMENT>