<SEC-DOCUMENT>0001025996-18-000061.txt : 20180131
<SEC-HEADER>0001025996-18-000061.hdr.sgml : 20180131
<ACCEPTANCE-DATETIME>20180131175455
ACCESSION NUMBER:		0001025996-18-000061
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180129
FILED AS OF DATE:		20180131
DATE AS OF CHANGE:		20180131

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROSE TYLER H
		CENTRAL INDEX KEY:			0001214281

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12675
		FILM NUMBER:		18564005

	MAIL ADDRESS:	
		STREET 1:		12200 W OLYMPIC BLVD
		STREET 2:		SUITE 200
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90064

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KILROY REALTY CORP
		CENTRAL INDEX KEY:			0001025996
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				954598246
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12200 W. OLYMPIC BLVD., SUITE 200
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90064
		BUSINESS PHONE:		3104818400

	MAIL ADDRESS:	
		STREET 1:		12200 W. OLYMPIC BLVD., SUITE 200
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90064
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_151743928071341.xml
<DESCRIPTION>FORM 4
<TEXT>
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    <periodOfReport>2018-01-29</periodOfReport>

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    <issuer>
        <issuerCik>0001025996</issuerCik>
        <issuerName>KILROY REALTY CORP</issuerName>
        <issuerTradingSymbol>NYSE: KRC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001214281</rptOwnerCik>
            <rptOwnerName>ROSE TYLER H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KILROY REALTY CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>12200 W. OLYMPIC BLVD., SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90064</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP and CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

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            <transactionDate>
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            </transactionDate>
            <transactionCoding>
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                <transactionPricePerShare>
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                    <value>Common Stock</value>
                </underlyingSecurityTitle>
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                    <value>12177.0155</value>
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                <footnoteId id="F1"/>
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                <transactionCode>M</transactionCode>
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                </transactionShares>
                <transactionPricePerShare>
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                </transactionPricePerShare>
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    <footnotes>
        <footnote id="F1">Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.</footnote>
        <footnote id="F2">The reporting person was awarded performance units in 2015 covering a three-year performance period ending December 31, 2017. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2015 and 2016 performance. The number of units reported reflects the additional number of units that vested based on 2017 performance.</footnote>
        <footnote id="F3">The reporting person was awarded performance units in 2016 covering a three-year performance period ending December 31, 2018. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2016 performance. The number of units reported reflects the minimum number of units eligible to vest based on 2017 performance. The units remain subject to additional time-based vesting requirements. Up to an additional 6,695.7678 units may ultimately vest after the three-year performance period based on the Issuer's relative total shareholder return for 2018.</footnote>
        <footnote id="F4">The reporting person was awarded performance units in 2017 covering a three-year performance period ending December 31, 2019. The number of units reported reflects the minimum number of units eligible to vest based on 2017 performance. The units remain subject to additional time-based vesting requirements. Up to an additional 24,355.0539 units may vest for the three-year performance period based on the Issuer's performance for that three-year period.</footnote>
        <footnote id="F5">The performance units were awarded in 2015 and the final number of units subject to the award (as adjusted for dividend equivalents through January 29, 2018) was determined based on a three-year performance period ending December 31, 2017. The units are payable in shares of the Issuer's common stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Tyler H. Rose</signatureName>
        <signatureDate>2018-01-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
