<SEC-DOCUMENT>0001415889-24-027004.txt : 20241115
<SEC-HEADER>0001415889-24-027004.hdr.sgml : 20241115
<ACCEPTANCE-DATETIME>20241115193331
ACCESSION NUMBER:		0001415889-24-027004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20241113
FILED AS OF DATE:		20241115
DATE AS OF CHANGE:		20241115

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zaccaro Joanne Caruso
		CENTRAL INDEX KEY:			0001725181
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07463
		FILM NUMBER:		241469479

	MAIL ADDRESS:	
		STREET 1:		1999 BRYAN STREET
		STREET 2:		#1200
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JACOBS SOLUTIONS INC.
		CENTRAL INDEX KEY:			0000052988
		STANDARD INDUSTRIAL CLASSIFICATION:	HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		IRS NUMBER:				954081636
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0927

	BUSINESS ADDRESS:	
		STREET 1:		1999 BRYAN STREET, SUITE 3500
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		214-583-8500

	MAIL ADDRESS:	
		STREET 1:		1999 BRYAN STREET, SUITE 3500
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	JACOBS ENGINEERING GROUP INC /DE/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-11162024_121127.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-11-13</periodOfReport>

    <issuer>
        <issuerCik>0000052988</issuerCik>
        <issuerName>JACOBS SOLUTIONS INC.</issuerName>
        <issuerTradingSymbol>J</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001725181</rptOwnerCik>
            <rptOwnerName>Zaccaro Joanne Caruso</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1999 BRYAN STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3500</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>EVP, CLAO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-11-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4825</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>149.25</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>72467</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the receipt of restricted stock units pursuant to the Company's Stock Incentive Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock. The restricted stock unit vests in four equal annual installments beginning on the first anniversary of grant date.</footnote>
        <footnote id="F2">The number of shares included in respect of previously reported grants of restricted stock units pursuant to the Company's Stock Incentive Plan was increased to reflect an equitable adjustment in connection with the spin-off distribution of the Company's Critical Mission Solutions and Cyber &amp; Intelligence government services businesses and the merger of these businesses with Amentum Parent Holdings LLC.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Priya Howell - Attorney-in-Fact for Joanne Caruso Zaccaro</signatureName>
        <signatureDate>2024-11-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
