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      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
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      <filer>
        <credentials>
          <cik>0001727573</cik>
          <ccc>XXXXXXXX</ccc>
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      <periodOfReport>12-31-2023</periodOfReport>
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    <coverPage>
      <reportCalendarOrQuarter>12-31-2023</reportCalendarOrQuarter>
      <isAmendment>false</isAmendment>
      <filingManager>
        <name>McCollum Christoferson Group LLC</name>
        <address>
          <ns1:street1>500 CORPORATE PARKWAY</ns1:street1>
          <ns1:street2>SUITE 210</ns1:street2>
          <ns1:city>AMHERST</ns1:city>
          <ns1:stateOrCountry>NY</ns1:stateOrCountry>
          <ns1:zipCode>14223</ns1:zipCode>
        </address>
      </filingManager>
      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-18200</form13FFileNumber>
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      <secFileNumber>801-106540</secFileNumber>
      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>Katherine A. Christoferson</name>
      <title>CEO</title>
      <phone>716-854-5400</phone>
      <signature>/s/ Katherine A. Christoferson</signature>
      <city>Amherst</city>
      <stateOrCountry>NY</stateOrCountry>
      <signatureDate>01-19-2024</signatureDate>
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      <tableValueTotal>330563289</tableValueTotal>
      <isConfidentialOmitted>false</isConfidentialOmitted>
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