<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001395188</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001370450</issuerCik>
            <issuerName>WILLDAN GROUP, INC.</issuerName>
            <secFileNumber>001-33076</secFileNumber>
            <issuerAddress>
                <ns2:street1>2401 East Katella Ave</ns2:street1>
                <ns2:street2>Suite 300</ns2:street2>
                <ns2:city>Anaheim</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>92806</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>800-424-9144</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>THOMAS BRISBIN</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>22459</noOfUnitsSold>
            <aggregateMarketValue>1175504.06</aggregateMarketValue>
            <noOfUnitsOutstanding>14496824</noOfUnitsOutstanding>
            <approxSaleDate>05/27/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/27/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>22459</amountOfSecuritiesAcquired>
            <paymentDate>05/27/2025</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>THOMAS D BRISBIN</name>
                <address>
                    <ns2:street1>2401 East Katella Ave</ns2:street1>
                    <ns2:street2>Suite 300</ns2:street2>
                    <ns2:city>Anaheim</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>92806</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>05/23/2025</saleDate>
            <amountOfSecuritiesSold>1626</amountOfSecuritiesSold>
            <grossProceeds>83805.86</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>THOMAS D BRISBIN</name>
                <address>
                    <ns2:street1>2401 East Katella Ave</ns2:street1>
                    <ns2:street2>Suite 300</ns2:street2>
                    <ns2:city>Anaheim</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>92806</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>05/22/2025</saleDate>
            <amountOfSecuritiesSold>5915</amountOfSecuritiesSold>
            <grossProceeds>307816.60</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>THOMAS D BRISBIN</name>
                <address>
                    <ns2:street1>2401 East Katella Ave</ns2:street1>
                    <ns2:street2>Suite 300</ns2:street2>
                    <ns2:city>Anaheim</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>92806</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>05/16/2025</saleDate>
            <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
            <grossProceeds>970890.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>05/27/2025</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Thomas Donald Brisbin</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 5523}]
144
0001395188
XXXXXXXX
LIVE
0001370450
WILLDAN GROUP, INC.
001-33076
2401 East Katella Ave
Suite 300
Anaheim
CA
92806
800-424-9144
THOMAS BRISBIN
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
22459
1175504.06
14496824
05/27/2025
NASDAQ
Common
05/27/2025
Stock Option Exercise
Issuer
N
22459
05/27/2025
Cash
N
THOMAS D BRISBIN
2401 East Katella Ave
Suite 300
Anaheim
CA
92806
Common
05/23/2025
1626
83805.86
THOMAS D BRISBIN
2401 East Katella Ave
Suite 300
Anaheim
CA
92806
Common
05/22/2025
5915
307816.60
THOMAS D BRISBIN
2401 East Katella Ave
Suite 300
Anaheim
CA
92806
Common
05/16/2025
20000
970890.00
05/27/2025
/s/ Thomas Donald Brisbin