<SEC-DOCUMENT>0001104659-18-068582.txt : 20181114
<SEC-HEADER>0001104659-18-068582.hdr.sgml : 20181114
<ACCEPTANCE-DATETIME>20181114205043
ACCESSION NUMBER:		0001104659-18-068582
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181114
FILED AS OF DATE:		20181114
DATE AS OF CHANGE:		20181114

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HALDEMAN CHARLES E
		CENTRAL INDEX KEY:			0001202325

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37994
		FILM NUMBER:		181185793

	MAIL ADDRESS:	
		STREET 1:		C/O JBG/OPERATING PARTNERS, L.P.
		STREET 2:		4445 WILLARD AVENUE, SUITE 400
		CITY:			CHEVY CHASE
		STATE:			MD
		ZIP:			20815

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>2018-11-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001202325</rptOwnerCik>
            <rptOwnerName>HALDEMAN CHARLES E</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>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2018-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>15000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>38.45</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.25 to $38.55, 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 (1) to this Form 4.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Steven A. Museles, attorney-in-fact</signatureName>
        <signatureDate>2018-11-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
