<SEC-DOCUMENT>0001209191-21-017518.txt : 20210303
<SEC-HEADER>0001209191-21-017518.hdr.sgml : 20210303
<ACCEPTANCE-DATETIME>20210303203136
ACCESSION NUMBER:		0001209191-21-017518
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210301
FILED AS OF DATE:		20210303
DATE AS OF CHANGE:		20210303

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NAUGHTON TIMOTHY J
		CENTRAL INDEX KEY:			0001219700

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12672
		FILM NUMBER:		21712047

	MAIL ADDRESS:	
		STREET 1:		2900 ELSENHOWER AVE 3RD FL
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22314

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-03-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000915912</issuerCik>
        <issuerName>AVALONBAY COMMUNITIES INC</issuerName>
        <issuerTradingSymbol>AVB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001219700</rptOwnerCik>
            <rptOwnerName>NAUGHTON TIMOTHY J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AVALONBAY COMMUNITIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4040 WILSON BOULEVARD, STE. 1000</rptOwnerStreet2>
            <rptOwnerCity>ARLINGTON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22203</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2021-03-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20326</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>133062.7445</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2021-03-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>25597</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>107465.7445</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, par value $.01 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>53270</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By GRAT</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects shares earned in connection with previously awarded performance share units issued under the Company's Second Amended and
Restated 2009 Equity Incentive Plan.</footnote>
        <footnote id="F2">The amount of securities owned following the reported transaction reflects direct ownership of all shares of common stock, including restricted shares.</footnote>
        <footnote id="F3">Reflects withholding of shares by the Company to cover tax withholding obligations on the vesting of restricted stock and performance share unit
awards under the Company's Second Amended and Restated 2009 Equity Incentive Plan.</footnote>
        <footnote id="F4">No transaction is reported. The amount of securities owned indirectly following the reported transaction is included for information purposes only.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Catherine T. White, as attorney-in-fact under Power of Attorney dated January 29, 2009</signatureName>
        <signatureDate>2021-03-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
