<SEC-DOCUMENT>0001104659-17-052651.txt : 20170818
<SEC-HEADER>0001104659-17-052651.hdr.sgml : 20170818
<ACCEPTANCE-DATETIME>20170818160604
ACCESSION NUMBER:		0001104659-17-052651
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170816
FILED AS OF DATE:		20170818
DATE AS OF CHANGE:		20170818

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Theriot Stephen W.
		CENTRAL INDEX KEY:			0001578708

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37994
		FILM NUMBER:		171041176

	MAIL ADDRESS:	
		STREET 1:		C/O VORNADO REALTY TRUST
		STREET 2:		888 7TH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JBG SMITH Properties
		CENTRAL INDEX KEY:			0001689796
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				814307010
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4445 WILLARD AVENUE
		STREET 2:		SUITE 400
		CITY:			CHEVY CHASE
		STATE:			MD
		ZIP:			20815
		BUSINESS PHONE:		240-333-3600

	MAIL ADDRESS:	
		STREET 1:		4445 WILLARD AVENUE
		STREET 2:		SUITE 400
		CITY:			CHEVY CHASE
		STATE:			MD
		ZIP:			20815

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Vornado DC Spinco
		DATE OF NAME CHANGE:	20161109
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-08-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001689796</issuerCik>
        <issuerName>JBG SMITH Properties</issuerName>
        <issuerTradingSymbol>JBGS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001578708</rptOwnerCik>
            <rptOwnerName>Theriot Stephen W.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O JBG SMITH PROPERTIES</rptOwnerStreet1>
            <rptOwnerStreet2>4445 WILLARD AVENUE, SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>CHEVY CHASE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20815</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO and Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-08-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9010</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>34.25</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9010</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10960</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Phantom Units have a conversion or exercise price of 1 for 1 and represent compensation deferred by the reporting person into interests held through the Vornado Realty Trust Nonqualified Deferred Compensation Plan that are valued with respect to the common shares of JBG SMITH Properties, par value $0.01 per share (&quot;Common Shares&quot;). The Phantom Units become payable in cash or Common Shares to the reporting person commencing upon a distribution at a future date from the Vornado Realty Trust Nonqualified Deferred Compensation Plan.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $34.15 to $34.31, inclusive. The reporting person undertakes to provide to JBG SMITH Properties, any security holder of JBG SMITH Properties, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Steven Museles, attorney-in-fact</signatureName>
        <signatureDate>2017-08-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
