-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 4xEwQFlhfJfqwFq47XY35g==

<SEC-DOCUMENT>0000104894-06-000040.txt : 20061215
<SEC-HEADER>0000104894-06-000040.hdr.sgml : 20061215
<ACCEPTANCE-DATETIME>20061215140517
ACCESSION NUMBER:		0000104894-06-000040
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061213
FILED AS OF DATE:		20061215
DATE AS OF CHANGE:		20061215

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NASON CHARLES T
		CENTRAL INDEX KEY:			0001194151

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06622
		FILM NUMBER:		061279860

	BUSINESS ADDRESS:	
		STREET 1:		6110 EXECUTIVE BLVD.
		STREET 2:		SUITE 800
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20852

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WASHINGTON REAL ESTATE INVESTMENT TRUST
		CENTRAL INDEX KEY:			0000104894
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				530261100
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6110 EXECUTIVE BOULEVARD
		STREET 2:		SUITE 800
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20852
		BUSINESS PHONE:		3019295900

	MAIL ADDRESS:	
		STREET 1:		6110 EXECUTIVE BOULEVARD
		STREET 2:		SUITE 800
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20852
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-12-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000104894</issuerCik>
        <issuerName>WASHINGTON REAL ESTATE INVESTMENT TRUST</issuerName>
        <issuerTradingSymbol>WRE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001194151</rptOwnerCik>
            <rptOwnerName>NASON CHARLES T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6110 EXECUTIVE BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>ROCKVILLE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20852</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Trustee</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-12-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>759</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>39.54</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15537.2319</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Granted pursuant to the Washington Real Estate Investment Trust Share Grant Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Laura M. Franklin  For: Charles T. Nason</signatureName>
        <signatureDate>2006-12-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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