<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019ce944-0848-767b-b608-95c6e91e68c7,g:aed2f72e-70e1-4874-a676-b75d47f28d9b-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.costar.com/role/DocumentandEntityInformationDocument" xlink:type="simple" xlink:href="csgp-20260315.xsd#DocumentandEntityInformationDocument"/>
  <link:presentationLink xlink:role="http://www.costar.com/role/DocumentandEntityInformationDocument" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019ce944-0848-7394-827b-b676cab3ad2a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_DocumentType_019ce944-0848-7394-827b-b676cab3ad2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019ce944-0848-7ed5-8f73-cb095aa476c0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_DocumentPeriodEndDate_019ce944-0848-7ed5-8f73-cb095aa476c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019ce944-0848-766f-82e7-de4a64daeb93" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityRegistrantName_019ce944-0848-766f-82e7-de4a64daeb93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019ce944-0848-7ad9-b060-4ea75f55b100" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityCentralIndexKey_019ce944-0848-7ad9-b060-4ea75f55b100" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019ce944-0848-757e-ae41-b334cb3737b8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_AmendmentFlag_019ce944-0848-757e-ae41-b334cb3737b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019ce944-0848-7036-a252-3aa76756faea" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019ce944-0848-7036-a252-3aa76756faea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019ce944-0848-78e4-bb93-79ed16c51489" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityFileNumber_019ce944-0848-78e4-bb93-79ed16c51489" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019ce944-0848-7836-858a-645eba7e65e2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityTaxIdentificationNumber_019ce944-0848-7836-858a-645eba7e65e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019ce944-0848-7653-899f-617e50e4df13" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityAddressAddressLine1_019ce944-0848-7653-899f-617e50e4df13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019ce944-0848-7fd7-9d8b-24e228b67a6a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityAddressCityOrTown_019ce944-0848-7fd7-9d8b-24e228b67a6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019ce944-0848-7e0a-804d-7a678cdf4202" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityAddressStateOrProvince_019ce944-0848-7e0a-804d-7a678cdf4202" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019ce944-0848-7909-81f2-8c8226db01af" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityAddressPostalZipCode_019ce944-0848-7909-81f2-8c8226db01af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019ce944-0848-78f3-bea5-eb5bfa22c83c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_CityAreaCode_019ce944-0848-78f3-bea5-eb5bfa22c83c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019ce944-0848-7f74-956f-665df4b7136c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_LocalPhoneNumber_019ce944-0848-7f74-956f-665df4b7136c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019ce944-0848-7464-9c87-199a6b03a7f9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_WrittenCommunications_019ce944-0848-7464-9c87-199a6b03a7f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019ce944-0848-7046-8919-6672e5cb4e4b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_SolicitingMaterial_019ce944-0848-7046-8919-6672e5cb4e4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019ce944-0848-76a2-bf4b-36944684d197" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_PreCommencementTenderOffer_019ce944-0848-76a2-bf4b-36944684d197" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019ce944-0848-70a9-8f4c-995ad0d65617" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019ce944-0848-70a9-8f4c-995ad0d65617" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019ce944-0848-7b58-930f-6a7956ae2290" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_Security12bTitle_019ce944-0848-7b58-930f-6a7956ae2290" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019ce944-0848-767c-a2a5-937c6c26b955" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_TradingSymbol_019ce944-0848-767c-a2a5-937c6c26b955" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019ce944-0848-7bc0-a12d-d17599d154a3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_SecurityExchangeName_019ce944-0848-7bc0-a12d-d17599d154a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019ce944-0848-7803-990b-2133e025bdcc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ce944-0848-77b8-bcb3-cb8a7d66b3a2" xlink:to="loc_dei_EntityEmergingGrowthCompany_019ce944-0848-7803-990b-2133e025bdcc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
