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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 K1ITpCdcsq+3HsCYZm1x9CwKCQdK6yjS3U3euP41l6YKKqH1YivWgK6xoarnZDMM
 QgcBoAtQzpEgl7vSeQOHZA==

<SEC-DOCUMENT>9999999997-09-017534.txt : 20090421
<SEC-HEADER>9999999997-09-017534.hdr.sgml : 20090421
<ACCEPTANCE-DATETIME>20090421115059
<PAPER>
ACCESSION NUMBER:		9999999997-09-017534
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081231
FILED AS OF DATE:		20090402
DATE AS OF CHANGE:		20090421
EFFECTIVENESS DATE:		20090402

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:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12672
		FILM NUMBER:		09010338

	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>ARS
<SEQUENCE>1
<FILENAME>9999999997-09-017534.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
<TEXT>
This document was generated as part of a paper submission.
Please reference the Document Control Number 09010338 for access to the original document.
</TEXT>
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</SEC-DOCUMENT>
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