content: <?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>0001644960</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001633931</issuerCik>
        <issuerName>TopBuild Corp</issuerName>
        <secFileNumber>001-36870</secFileNumber>
        <issuerAddress>
          <com:street1>475 N. WILLIAMSON BLVD.</com:street1>
          <com:city>DAYTONA BEACH</com:city>
          <com:stateOrCountry>FL</com:stateOrCountry>
          <com:zipCode>32114</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>(386) 304-2200</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Buck Robert M</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services, LLC.</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>2500</noOfUnitsSold>
        <aggregateMarketValue>936500.00</aggregateMarketValue>
        <noOfUnitsOutstanding>31773944</noOfUnitsOutstanding>
        <approxSaleDate>12/15/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/21/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1713</amountOfSecuritiesAcquired>
        <paymentDate>02/21/2020</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/22/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>787</amountOfSecuritiesAcquired>
        <paymentDate>02/22/2020</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Robert Buck</name>
          <address>
            <com:street1>475 North Williamson Boulevard</com:street1>
            <com:city>Daytona Beach</com:city>
            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>32114</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>11/29/2023</saleDate>
        <amountOfSecuritiesSold>4500</amountOfSecuritiesSold>
        <grossProceeds>1332087.25</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>12/15/2023</noticeDate>
        <signature>/s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert Buck</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4027}]
text: 144
  0001644960
  XXXXXXXX
  LIVE
  0001633931
  TopBuild Corp
  001-36870
  475 N. WILLIAMSON BLVD.
  DAYTONA BEACH
  FL
  32114
  (386) 304-2200
  Buck Robert M
  Officer
  Director
  Common
  Fidelity Brokerage Services, LLC.
  900 Salem Street
  Smithfield
  RI
  02917
  2500
  936500.00
  31773944
  12/15/2023
  NYSE
  Common
  02/21/2020
  Restricted Stock Vesting
  Issuer
  N
  1713
  02/21/2020
  Compensation
  Common
  02/22/2020
  Restricted Stock Vesting
  Issuer
  N
  787
  02/22/2020
  Compensation
  N
  Robert Buck
  475 North Williamson Boulevard
  Daytona Beach
  FL
  32114
  Common
  11/29/2023
  4500
  1332087.25
  12/15/2023
  /s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert Buck