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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,
 UWhS7hvW/0S5DQ42XBVzEnoKd1zauFpIbRem30e1yOJaTN96Bzk40GVz1nLsjhPy
 kFJiP+BxZcq47a0MhLssLQ==

<SEC-DOCUMENT>0001209133-03-000007.txt : 20030818
<SEC-HEADER>0001209133-03-000007.hdr.sgml : 20030818
<ACCEPTANCE-DATETIME>20030818135151
ACCESSION NUMBER:		0001209133-03-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030814
FILED AS OF DATE:		20030818

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EQUITY RESIDENTIAL
		CENTRAL INDEX KEY:			0000906107
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				363877868
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		EQUITY RESIDENTIAL
		STREET 2:		2 N RIVERSIDE PLAZA, STE 400
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3129281182

	MAIL ADDRESS:	
		STREET 1:		TWO N RIVERSIDE PLAZA
		STREET 2:		SUITE 450
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EQUITY RESIDENTIAL PROPERTIES TRUST
		DATE OF NAME CHANGE:	19930524

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HARPER JAMES D JR
		CENTRAL INDEX KEY:			0001209133

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12252
		FILM NUMBER:		03852547

	BUSINESS ADDRESS:	
		STREET 1:		J.D.H. REALTY CO.,
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33143
		BUSINESS PHONE:		3124663639

	MAIL ADDRESS:	
		STREET 1:		J.D.H. REALTY CO.,
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33143
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>c0001209133d20030818f4f.xml
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<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-08-14</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000906107</issuerCik><issuerName>EQUITY RESIDENTIAL</issuerName>        <issuerTradingSymbol>EQR</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001209133</rptOwnerCik><rptOwnerName>HARPER JAMES D JR</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>JDH REALTY</rptOwnerStreet1><rptOwnerStreet2>8603 SOUTH DIXIE HIGHWAY</rptOwnerStreet2><rptOwnerCity>MIAMI</rptOwnerCity><rptOwnerState>FL</rptOwnerState><rptOwnerZipCode>33143</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativ
eTable><nonDerivativeHolding><securityTitle><value>Common Shares of Beneficial Interest</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>7608</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeTransaction><securityTitle><value>Common Shares of Beneficial Interest</value></securityTitle><transactionDate><value>2003-08-14</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>911</value></transactionShares><transactionPricePerShare><value>23.39</value></transactionPricePerShare><transacti
onAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>21838</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>SERP Account</value></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><value>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>14.625</value></conversionOrExercisePrice><exerciseDate><value>1997-05-10</value></exerciseDate><expirationDate><value>2005-05-10</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><
sharesOwnedFollowingTransaction><value>10000</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>16.375</value></conversionOrExercisePrice><exerciseDate><value>1998-05-10</value></exerciseDate><expirationDate><value>2006-05-10</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10000</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>17.4375</value></conversionOrExercisePrice><exerciseDate><value>1996-05-12</value></exerciseDate><expirationDate><value>2004-05-12</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10000</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><valu
e>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>22.9688</value></conversionOrExercisePrice><exerciseDate><value>2000-11-16</value></exerciseDate><expirationDate><value>2010-05-16</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10000</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>23.375</value></conversionOrExercisePrice><exerciseDate><value>2001-05-17<
/value></exerciseDate><expirationDate><value>2009-05-17</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10000</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>23.55</value></conversionOrExercisePrice><exerciseDate><value>2003-08-07</value></exerciseDate><expirationDate><value>2013-02-07</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value><
/underlyingSecurityTitle><underlyingSecurityShares><value>5921</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5921</value><footnoteId id="F3"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>24.625</value></conversionOrExercisePrice><exerciseDate><value>2000-05-14</value></exerciseDate><expirationDate><value>2008-05-14</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><v
alue>10000</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>25.75</value></conversionOrExercisePrice><exerciseDate><value>2000-08-04</value></exerciseDate><expirationDate><value>2007-08-04</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10000</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectO
wnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>25.865</value></conversionOrExercisePrice><exerciseDate><value>2001-11-15</value></exerciseDate><expirationDate><value>2011-05-15</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10000</value><footnoteId id="F4"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Non-Qualified Stock Option (right 
to buy)</value></securityTitle><conversionOrExercisePrice><value>27.2</value></conversionOrExercisePrice><exerciseDate><value>2003-01-17</value></exerciseDate><expirationDate><value>2012-01-17</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares of Beneficial Interest</value></underlyingSecurityTitle><underlyingSecurityValue><value>5003</value></underlyingSecurityValue></underlyingSecurity><postTransactionAmounts><valueOwnedFollowingTransaction><value>5003</value><footnoteId id="F5"/></valueOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Shares reported herein are owned by The Security Trust Company, as Trustee of the Equity Residential Supplemental Retirement Plan for the benefit of the Reporting Person.</footnote><footnote id="F2">Share options
 reported on this line are fully exercisable.</footnote><footnote id="F3">1,974 share options reported herein will become exercisable on February 7, 2004;  1,974 share options will become exercisable on February 7, 2005; and 1,973 share options will become exercisable on February 7, 2006.</footnote><footnote id="F4">6,668 share options reported herein are currently exercisable; and 3,332 share options will become exercisable on May 15, 2003.</footnote><footnote id="F5">3,333 share options reported herein are exercisable; 1,667 will become exercisable on January 17, 2004.</footnote></footnotes><ownerSignature><signatureName>James D Harper, Jr.</signatureName><signatureDate>2003-08-18</signatureDate></ownerSignature></ownershipDocument>

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