<SEC-DOCUMENT>0000766829-20-000095.txt : 20200501
<SEC-HEADER>0000766829-20-000095.hdr.sgml : 20200501
<ACCEPTANCE-DATETIME>20200501153026
ACCESSION NUMBER:		0000766829-20-000095
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200429
FILED AS OF DATE:		20200501
DATE AS OF CHANGE:		20200501

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Heather Hunt
		CENTRAL INDEX KEY:			0001371472

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08966
		FILM NUMBER:		20840604

	BUSINESS ADDRESS:	
		STREET 1:		93 WEST MAIN STREET
		CITY:			CLINTON
		STATE:			CT
		ZIP:			06413
		BUSINESS PHONE:		86066986330 EXT 3012

	MAIL ADDRESS:	
		STREET 1:		93 WEST MAIN STREET
		CITY:			CLINTON
		STATE:			CT
		ZIP:			06413

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SJW GROUP
		CENTRAL INDEX KEY:			0000766829
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
		IRS NUMBER:				770066628
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		110 W. TAYLOR STREET
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
		BUSINESS PHONE:		4082797800

	MAIL ADDRESS:	
		STREET 1:		110 W. TAYLOR STREET
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SJW CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_158836140740932.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-04-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000766829</issuerCik>
        <issuerName>SJW GROUP</issuerName>
        <issuerTradingSymbol>SJW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001371472</rptOwnerCik>
            <rptOwnerName>Heather Hunt</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>110 W. TAYLOR STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95110</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-04-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1281</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1281</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents 1,281 restricted stock units granted to the reporting person under the Issuer's Long-Term Incentive Plan. Each restricted stock unit will entitle the reporting person to receive one share of the Issuer'scommon stock when that unit vests. The units will vest in full upon the reporting person's continuation in Board service through the day immediately preceding the date of the Issuer's 2021 annual stockholdersmeeting, subject to accelerated vesting under certain prescribed circumstances.</footnote>
        <footnote id="F2">Represents 1,281 shares of restricted stock units.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Willie Brown Attorney-in-Fact for Heather Hunt</signatureName>
        <signatureDate>2020-05-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
