<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001263328</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000077543</issuerCik>
      <issuerName>TUTOR PERINI CORP</issuerName>
      <secFileNumber>001-06314</secFileNumber>
      <issuerAddress>
        <com:street1>15901 OLDEN STREET</com:street1>
        <com:city>SYLMAR</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>91342</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>818-362-8391</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>FELTENSTEIN SIDNEY J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>RBC CAPITAL MARKETS LLC</name>
        <address>
          <com:street1>250 NICOLLET MALL, SUITE 1700</com:street1>
          <com:city>MINNEAPOLIS</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55401</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>124668</noOfUnitsSold>
      <aggregateMarketValue>8221530.00</aggregateMarketValue>
      <noOfUnitsOutstanding>52743248</noOfUnitsOutstanding>
      <approxSaleDate>09/18/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>12/11/2013</acquiredDate>
      <natureOfAcquisitionTransaction>DIRECTORS GRANT</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1346</amountOfSecuritiesAcquired>
      <paymentDate>12/11/2013</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>09/05/2014</acquiredDate>
      <natureOfAcquisitionTransaction>DIRECTORS GRANT</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4829</amountOfSecuritiesAcquired>
      <paymentDate>09/05/2014</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>05/27/2015</acquiredDate>
      <natureOfAcquisitionTransaction>DIRECTORS GRANT</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>6839</amountOfSecuritiesAcquired>
      <paymentDate>05/27/2015</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>05/25/2016</acquiredDate>
      <natureOfAcquisitionTransaction>DIRECTORS GRANT</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>6922</amountOfSecuritiesAcquired>
      <paymentDate>05/25/2016</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>05/26/2017</acquiredDate>
      <natureOfAcquisitionTransaction>DIRECTORS GRANT</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5725</amountOfSecuritiesAcquired>
      <paymentDate>05/26/2017</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>05/31/2018</acquiredDate>
      <natureOfAcquisitionTransaction>DIRECTORS GRANT</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>7537</amountOfSecuritiesAcquired>
      <paymentDate>05/31/2018</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>11/12/2018</acquiredDate>
      <natureOfAcquisitionTransaction>OPEN MARKET PURCHASE</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>OPEN MARKET</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
      <paymentDate>11/12/2018</paymentDate>
      <natureOfPayment>CHECK</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>05/22/2019</acquiredDate>
      <natureOfAcquisitionTransaction>DIRECTORS GRANT</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>9541</amountOfSecuritiesAcquired>
      <paymentDate>05/22/2019</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>05/21/2020</acquiredDate>
      <natureOfAcquisitionTransaction>OPEN MARKET PURCHASE</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>OPEN MARKET</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>50000</amountOfSecuritiesAcquired>
      <paymentDate>05/21/2020</paymentDate>
      <natureOfPayment>CHECK</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>06/04/2020</acquiredDate>
      <natureOfAcquisitionTransaction>DIRECTORS GRANT</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>11929</amountOfSecuritiesAcquired>
      <paymentDate>06/04/2020</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>SIDNEY FELTENSTEIN C/O RBC CAPITAL MARKETS LLC</name>
        <address>
          <com:street1>250 NICOLLET MALL, SUITE 1700</com:street1>
          <com:city>MINNEAPOLIS</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55401</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>TUTOR PERINI CORPORATION</securitiesClassTitle>
      <saleDate>09/17/2025</saleDate>
      <amountOfSecuritiesSold>332</amountOfSecuritiesSold>
      <grossProceeds>21580.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>09/18/2025</noticeDate>
      <signature>POA / JEFFREY EISCHENS</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
