<SEC-DOCUMENT>0000950170-24-108802.txt : 20240923
<SEC-HEADER>0000950170-24-108802.hdr.sgml : 20240923
<ACCEPTANCE-DATETIME>20240923170503
ACCESSION NUMBER:		0000950170-24-108802
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240923
FILED AS OF DATE:		20240923
DATE AS OF CHANGE:		20240923

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SITE Centers Corp.
		CENTRAL INDEX KEY:			0000894315
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42265
		FILM NUMBER:		241316824

	BUSINESS ADDRESS:	
		STREET 1:		3300 ENTERPRISE PARKWAY
		CITY:			BEACHWOOD
		STATE:			OH
		ZIP:			44122
		BUSINESS PHONE:		2167555500

	MAIL ADDRESS:	
		STREET 1:		3300 ENTERPRISE PARKWAY
		CITY:			BEACHWOOD
		STATE:			OH
		ZIP:			44122

	FORMER NAME:	
		FORMER CONFORMED NAME:	DDR CORP
		DATE OF NAME CHANGE:	20110914

	FORMER NAME:	
		FORMER CONFORMED NAME:	DEVELOPERS DIVERSIFIED REALTY CORP
		DATE OF NAME CHANGE:	19940218

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Curbline Properties Corp.
		CENTRAL INDEX KEY:			0002027317
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE [6500]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		IRS NUMBER:				934224532
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		320 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		216-755-5500

	MAIL ADDRESS:	
		STREET 1:		3300 ENTERPRISE PARKWAY
		CITY:			BEACHWOOD
		STATE:			OH
		ZIP:			44122
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2024-09-23</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0002027317</issuerCik>
        <issuerName>Curbline Properties Corp.</issuerName>
        <issuerTradingSymbol>CURB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000894315</rptOwnerCik>
            <rptOwnerName>SITE Centers Corp.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3300 ENTERPRISE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BEACHWOOD</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44122</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Aaron Kitlowski</signatureName>
        <signatureDate>2024-09-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
