content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001690552</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000050725</issuerCik>
        <issuerName>Griffon Corporation</issuerName>
        <secFileNumber>001-06620</secFileNumber>
        <issuerAddress>
          <com:street1>712 Fifth Avenue</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10019</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>212-957-5000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>W. Christopher Durborow</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Janney Montgomery Scott LLC</name>
          <address>
            <com:street1>1717 Arch Street</com:street1>
            <com:city>Philadelphia</com:city>
            <com:stateOrCountry>PA</com:stateOrCountry>
            <com:zipCode>19103</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>13000</noOfUnitsSold>
        <aggregateMarketValue>871910</aggregateMarketValue>
        <noOfUnitsOutstanding>49553357</noOfUnitsOutstanding>
        <approxSaleDate>06/12/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>11/30/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of Restricted Stock</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Griffon Corporation</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>5940</amountOfSecuritiesAcquired>
        <paymentDate>11/30/2022</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>11/30/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of Restricted Stock</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Griffon Corporation</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7060</amountOfSecuritiesAcquired>
        <paymentDate>11/30/2021</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/12/2024</noticeDate>
        <signature>/s/ Seth L. Kaplan, as attorney-in-fact</signature>
      </noticeSignature>
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text: 144
  0001690552
  XXXXXXXX
  LIVE
  0000050725
  Griffon Corporation
  001-06620
  712 Fifth Avenue
  New York
  NY
  10019
  212-957-5000
  W. Christopher Durborow
  Officer
  Common Stock
  Janney Montgomery Scott LLC
  1717 Arch Street
  Philadelphia
  PA
  19103
  13000
  871910
  49553357
  06/12/2024
  NYSE
  Common Stock
  11/30/2022
  Vesting of Restricted Stock
  Griffon Corporation
  N
  5940
  11/30/2022
  N/A
  Common Stock
  11/30/2021
  Vesting of Restricted Stock
  Griffon Corporation
  N
  7060
  11/30/2021
  N/A
  Y
  06/12/2024
  /s/ Seth L. Kaplan, as attorney-in-fact