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>0001491551</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>Seth L. Kaplan</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch, Pierce, Fenner &amp; Smith Incorporated</name>
          <address>
            <com:street1>253 Post Road West</com:street1>
            <com:city>Westport</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06880</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>12666</noOfUnitsSold>
        <aggregateMarketValue>1050771</aggregateMarketValue>
        <noOfUnitsOutstanding>47821861</noOfUnitsOutstanding>
        <approxSaleDate>12/02/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>11/30/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of Restricted Stock</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Griffon Corporation</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>12666</amountOfSecuritiesAcquired>
        <paymentDate>11/30/2023</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Seth L. Kaplan c/o Griffon Corporation</name>
          <address>
            <com:street1>712 Fifth Avenue</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10019</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>09/18/2024</saleDate>
        <amountOfSecuritiesSold>4844</amountOfSecuritiesSold>
        <grossProceeds>339080</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Seth L. Kaplan c/o Griffon Corporation</name>
          <address>
            <com:street1>712 Fifth Avenue</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10019</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>09/19/2024</saleDate>
        <amountOfSecuritiesSold>30430</amountOfSecuritiesSold>
        <grossProceeds>2130100</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>The shares covered by this Form 144 are being sold pursuant to a Rule 10b5-1 Sales Plan dated June 5, 2024, which is intended to comply with Rule 10b5-1.  The representation herein regarding Seller's Knowledge of material information speaks as of the adoption of that Sales Plan.</remarks>
      <noticeSignature>
        <noticeDate>11/29/2024</noticeDate>
        <signature>/s/ Seth L. Kaplan</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4310}]
text: 144
  0001491551
  XXXXXXXX
  LIVE
  0000050725
  Griffon Corporation
  001-06620
  712 Fifth Avenue
  New York
  NY
  10019
  212-957-5000
  Seth L. Kaplan
  Officer
  Common Stock
  Merrill Lynch, Pierce, Fenner & Smith Incorporated
  253 Post Road West
  Westport
  CT
  06880
  12666
  1050771
  47821861
  12/02/2024
  NYSE
  Common Stock
  11/30/2023
  Vesting of Restricted Stock
  Griffon Corporation
  N
  12666
  11/30/2023
  N/A
  N
  Seth L. Kaplan c/o Griffon Corporation
  712 Fifth Avenue
  New York
  NY
  10019
  Common Stock
  09/18/2024
  4844
  339080
  Seth L. Kaplan c/o Griffon Corporation
  712 Fifth Avenue
  New York
  NY
  10019
  Common Stock
  09/19/2024
  30430
  2130100
  The shares covered by this Form 144 are being sold pursuant to a Rule 10b5-1 Sales Plan dated June 5, 2024, which is intended to comply with Rule 10b5-1.  The representation herein regarding Seller's Knowledge of material information speaks as of the adoption of that Sales Plan.
  11/29/2024
  /s/ Seth L. Kaplan