<SEC-DOCUMENT>0001965301-24-000158.txt : 20241210
<SEC-HEADER>0001965301-24-000158.hdr.sgml : 20241210
<ACCEPTANCE-DATETIME>20241210143737
ACCESSION NUMBER:		0001965301-24-000158
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20241210
DATE AS OF CHANGE:		20241210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COSTAR GROUP, INC.
		CENTRAL INDEX KEY:			0001057352
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				522091509
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-24531
		FILM NUMBER:		241538096

	BUSINESS ADDRESS:	
		STREET 1:		1331 L STREET, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20005
		BUSINESS PHONE:		2023466500

	MAIL ADDRESS:	
		STREET 1:		1331 L STREET, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20005

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COSTAR GROUP INC
		DATE OF NAME CHANGE:	19990805

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Hill John W
		CENTRAL INDEX KEY:			0001351689
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		1997 ANNAPOLIS EXCHANGE PARKWAY
		STREET 2:		SUITE 410
		CITY:			ANNAPOLIS
		STATE:			MD
		ZIP:			21401
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?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>0001351689</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001057352</issuerCik>
      <issuerName>COSTAR GROUP, INC.</issuerName>
      <secFileNumber>000-24531</secFileNumber>
      <issuerAddress>
        <com:street1>1331 L STREET, NW</com:street1>
        <com:city>WASHINGTON</com:city>
        <com:stateOrCountry>DC</com:stateOrCountry>
        <com:zipCode>20005</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>2023466500</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Hill John W</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Ameritas Investment Corp</name>
        <address>
          <com:street1>5900 0 Street</com:street1>
          <com:city>Lincoln</com:city>
          <com:stateOrCountry>NE</com:stateOrCountry>
          <com:zipCode>68501</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>2735</noOfUnitsSold>
      <aggregateMarketValue>215100.00</aggregateMarketValue>
      <noOfUnitsOutstanding>407000000</noOfUnitsOutstanding>
      <approxSaleDate>12/10/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>11/01/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Payment for Services Rendered</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>CoStar</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>989</amountOfSecuritiesAcquired>
      <paymentDate>11/01/2024</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>10/01/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Payment for Services Rendered</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>CoStar</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>630</amountOfSecuritiesAcquired>
      <paymentDate>10/01/2024</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>09/15/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Payment for Services Rendered</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>CoStar</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>787</amountOfSecuritiesAcquired>
      <paymentDate>09/15/2024</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>09/15/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Payment for Services Rendered</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>CoStar</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>329</amountOfSecuritiesAcquired>
      <paymentDate>09/15/2024</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>12/10/2024</noticeDate>
      <signature>Jason Coleman as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for John W. Hill</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
