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          <ccc>XXXXXXXX</ccc>
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      <liveTestFlag>LIVE</liveTestFlag>



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    <issuerInfo>
      <issuerCik>0000062996</issuerCik>
      <issuerName>MASCO CORP /DE/</issuerName>
      <secFileNumber>001-05794</secFileNumber>
      <issuerAddress>
        <com:street1>17450 COLLEGE PARKWAY</com:street1>
        <com:city>LIVONIA</com:city>
        <com:stateOrCountry>MI</com:stateOrCountry>
        <com:zipCode>48152</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>3132747400</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Sznewajs John G</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</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>20361</noOfUnitsSold>
      <aggregateMarketValue>1099494.00</aggregateMarketValue>
      <noOfUnitsOutstanding>225088525</noOfUnitsOutstanding>
      <approxSaleDate>05/09/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>05/09/2023</acquiredDate>
      <natureOfAcquisitionTransaction>OPTIONS GRANTED 02/10/2017</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>20361</amountOfSecuritiesAcquired>
      <paymentDate>05/09/2023</paymentDate>
      <natureOfPayment>CASH</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John G. Sznewajs</name>
        <address>
          <com:street1>17450 College Parkway</com:street1>
          <com:city>LIVONIA</com:city>
          <com:stateOrCountry>MI</com:stateOrCountry>
          <com:zipCode>48152</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>02/14/2023</saleDate>
      <amountOfSecuritiesSold>18240</amountOfSecuritiesSold>
      <grossProceeds>1028188.80</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John G. Sznewajs</name>
        <address>
          <com:street1>17450 College Parkway</com:street1>
          <com:city>LIVONIA</com:city>
          <com:stateOrCountry>MI</com:stateOrCountry>
          <com:zipCode>48152</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>05/03/2023</saleDate>
      <amountOfSecuritiesSold>68750</amountOfSecuritiesSold>
      <grossProceeds>3719010.63</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John G. Sznewajs</name>
        <address>
          <com:street1>17450 College Parkway</com:street1>
          <com:city>LIVONIA</com:city>
          <com:stateOrCountry>MI</com:stateOrCountry>
          <com:zipCode>48152</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>05/08/2023</saleDate>
      <amountOfSecuritiesSold>19632</amountOfSecuritiesSold>
      <grossProceeds>1060128.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/09/2023</noticeDate>
      <signature>/s/ Carli McPherson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John Sznewajs</signature>
    </noticeSignature>
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144
0001333724
XXXXXXXX
LIVE
0000062996
MASCO CORP /DE/
001-05794
17450 COLLEGE PARKWAY
LIVONIA
MI
48152
3132747400
Sznewajs John G
Officer
COMMON
FIDELITY BROKERAGE SERVICES, LLC
900 SALEM STREET
SMITHFIELD
RI
02917
20361
1099494.00
225088525
05/09/2023
NYSE
COMMON
05/09/2023
OPTIONS GRANTED 02/10/2017
ISSUER
N
20361
05/09/2023
CASH
N
John G. Sznewajs
17450 College Parkway
LIVONIA
MI
48152
COMMON
02/14/2023
18240
1028188.80
John G. Sznewajs
17450 College Parkway
LIVONIA
MI
48152
COMMON
05/03/2023
68750
3719010.63
John G. Sznewajs
17450 College Parkway
LIVONIA
MI
48152
COMMON
05/08/2023
19632
1060128.00
05/09/2023
/s/ Carli McPherson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John Sznewajs