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CoStar Group, Inc. – ‘10-Q’ for 3/31/24 – ‘EX-101.SCH’

On:  Wednesday, 4/24/24, at 5:30pm ET   ·   For:  3/31/24   ·   Accession #:  1057352-24-59   ·   File #:  0-24531

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  As Of               Filer                 Filing    For·On·As Docs:Size

 4/24/24  CoStar Group, Inc.                10-Q        3/31/24   86:7.1M

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.12M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     28K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     28K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     26K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     26K 
11: R1          Cover page                                          HTML     75K 
12: R2          Condensed Consolidated Statements of Operations     HTML     96K 
13: R3          Condensed Consolidated Statements of Comprehensive  HTML     48K 
                Income                                                           
14: R4          Condensed Consolidated Balance Sheets               HTML    121K 
15: R5          Condensed Consolidated Statements of Changes in     HTML     81K 
                Stockholders? Equity                                             
16: R6          Condensed Consolidated Statements of Cash Flows     HTML    115K 
17: R7          Organization                                        HTML     27K 
18: R8          Summary of Significant Accounting Policies          HTML    116K 
19: R9          Revenue From Contracts With Customers               HTML     87K 
20: R10         Allowance for Credit Losses                         HTML     64K 
21: R11         Acquisitions                                        HTML     45K 
22: R12         Investments and Fair Value Measurements             HTML     35K 
23: R13         Leases                                              HTML     77K 
24: R14         Goodwill                                            HTML     39K 
25: R15         Intangible Assets                                   HTML     52K 
26: R16         Long-Term Debt                                      HTML     48K 
27: R17         Income Taxes                                        HTML     28K 
28: R18         Commitments and Contingencies                       HTML     45K 
29: R19         Segment Reporting                                   HTML     69K 
30: R20         Subsequent Events                                   HTML     30K 
31: R21         Pay vs Performance Disclosure                       HTML     35K 
32: R22         Insider Trading Arrangements                        HTML     29K 
33: R23         Summary of Significant Accounting Policies          HTML    114K 
                (Policies)                                                       
34: R24         Summary of Significant Accounting Policies          HTML     74K 
                (Tables)                                                         
35: R25         Revenue From Contracts With Customers (Tables)      HTML     84K 
36: R26         Allowance for Credit Losses (Tables)                HTML     62K 
37: R27         Acquisitions (Tables)                               HTML     44K 
38: R28         Leases (Tables)                                     HTML     80K 
39: R29         Goodwill (Tables)                                   HTML     41K 
40: R30         Intangible Assets (Tables)                          HTML     51K 
41: R31         Long-Term Debt (Tables)                             HTML     46K 
42: R32         Commitments and Contingencies (Tables)              HTML     63K 
43: R33         Segment Reporting (Tables)                          HTML     70K 
44: R34         Organization (Details)                              HTML     27K 
45: R35         Summary of Significant Accounting Policies          HTML     31K 
                (Revenue Recognition) (Details)                                  
46: R36         Summary of Significant Accounting Policies          HTML     38K 
                (Foreign Currency Translation and Accumulated                    
                Other Comprehensive Loss) (Details)                              
47: R37         Summary of Significant Accounting Policies (Net     HTML     60K 
                Income Per Share) (Details)                                      
48: R38         Summary of Significant Accounting Policies          HTML     29K 
                (Anti-dilutive Shares) (Details)                                 
49: R39         Summary of Significant Accounting Policies          HTML     35K 
                (Stock-Based Compensation) (Details)                             
50: R40         Summary of Significant Accounting Policies (Cash,   HTML     26K 
                Cash Equivalents and Restricted Cash Narrative)                  
                (Details)                                                        
51: R41         Summary of Significant Accounting Policies          HTML     33K 
                (Allowance for Credit Losses) (Details)                          
52: R42         Summary of Significant Accounting Policies          HTML     55K 
                (Leasing Operations and Other Income, Expense)                   
                (Details)                                                        
53: R43         Summary of Significant Accounting Policies (Recent  HTML     34K 
                Accounting Pronouncements) (Details)                             
54: R44         Revenue From Contracts With Customers               HTML     59K 
                (Disaggregated Revenue) (Details)                                
55: R45         Revenue From Contracts With Customers (Deferred     HTML     31K 
                Revenue) (Details)                                               
56: R46         Revenue From Contracts With Customers (Contract     HTML     34K 
                Assets and Liabilities) (Details)                                
57: R47         Revenue From Contracts With Customers (Contract     HTML     31K 
                Assets) (Details)                                                
58: R48         Revenue From Contracts With Customers (Narrative)   HTML     36K 
                (Details)                                                        
59: R49         Revenue From Contracts With Customers               HTML     31K 
                (Commissions) (Details)                                          
60: R50         Allowance for Credit Losses (Details)               HTML     47K 
61: R51         Acquisitions (Narrative) (Details)                  HTML     49K 
62: R52         Acquisitions (Schedule of Recognized Identified     HTML     49K 
                Assets Acquired and Liabilities Assumed) (Details)               
63: R53         Acquisitions (Intangible Assets Acquired)           HTML     35K 
                (Details)                                                        
64: R54         Investments and Fair Value Measurements (Details)   HTML     37K 
65: R55         Leases (Narrative) (Details)                        HTML     25K 
66: R56         Leases (Lease Cost) (Details)                       HTML     44K 
67: R57         Leases (Supplemental Balance Sheet Information      HTML     66K 
                Related to Leases) (Details)                                     
68: R58         Leases (Supplemental Cash Flow Information Related  HTML     37K 
                to Leases) (Details)                                             
69: R59         Goodwill (Goodwill by Segment) (Details)            HTML     43K 
70: R60         Goodwill (Narrative) (Details)                      HTML     26K 
71: R61         Intangible Assets (Details)                         HTML     56K 
72: R62         Long-Term Debt (Schedule of Debt) (Details)         HTML     45K 
73: R63         Long-Term Debt (Narrative) (Details)                HTML     80K 
74: R64         Long-Term Debt (Interest) (Details)                 HTML     42K 
75: R65         Income Taxes (Details)                              HTML     25K 
76: R66         Commitments and Contingencies (Details)             HTML     89K 
77: R67         Segment Reporting (Narrative) (Details)             HTML     25K 
78: R68         Segment Reporting (Ebitda) (Details)                HTML     31K 
79: R69         Segment Reporting (Reconciliation of Net Income     HTML     53K 
                (Loss) to EBITDA) (Details)                                      
80: R70         Segment Reporting (Summarized Information)          HTML     57K 
                (Details)                                                        
81: R71         Subsequent Events (Details)                         HTML     37K 
83: XML         IDEA XML File -- Filing Summary                      XML    159K 
86: XML         XBRL Instance -- csgp-20240331_htm                   XML   1.56M 
82: EXCEL       IDEA Workbook of Financial Report Info              XLSX    146K 
 7: EX-101.CAL  XBRL Calculations -- csgp-20240331_cal               XML    226K 
 8: EX-101.DEF  XBRL Definitions -- csgp-20240331_def                XML    441K 
 9: EX-101.LAB  XBRL Labels -- csgp-20240331_lab                     XML   1.56M 
10: EX-101.PRE  XBRL Presentations -- csgp-20240331_pre              XML    978K 
 6: EX-101.SCH  XBRL Schema -- csgp-20240331                         XSD    167K 
84: JSON        XBRL Instance as JSON Data -- MetaLinks              507±   730K 
85: ZIP         XBRL Zipped Folder -- 0001057352-24-000059-xbrl      Zip    360K

‘EX-101.SCH’   —   XBRL Schema — csgp-20240331

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<link:definition> 9954484 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Foreign Currency Translation and Accumulated Other Comprehensive Loss) (Details) </link:definition>
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<link:definition> 9954485 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Net Income Per Share) (Details) </link:definition>
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<link:definition> 9954486 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Anti-dilutive Shares) (Details) </link:definition>
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<link:definition> 9954487 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Stock-Based Compensation) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954488 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Cash, Cash Equivalents and Restricted Cash Narrative) (Details) </link:definition>
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<link:definition> 9954489 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Allowance for Credit Losses) (Details) </link:definition>
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<link:definition> 9954490 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Leasing Operations and Other Income, Expense) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954491 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Recent Accounting Pronouncements) (Details) </link:definition>
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<link:definition> 9954492 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Disaggregated Revenue) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954493 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Deferred Revenue) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954494 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Contract Assets and Liabilities) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954495 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Contract Assets) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954496 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Narrative) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954496 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Narrative) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954497 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Commissions) (Details) </link:definition>
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<link:roleType id="ALLOWANCEFORCREDITLOSSESDetails" roleURI="http://www.costar.com/role/ALLOWANCEFORCREDITLOSSESDetails">
<link:definition> 9954498 - Disclosure - ALLOWANCE FOR CREDIT LOSSES (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954499 - Disclosure - ACQUISITIONS (Narrative) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954500 - Disclosure - ACQUISITIONS (Schedule of Recognized Identified Assets Acquired and Liabilities Assumed) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954501 - Disclosure - ACQUISITIONS (Intangible Assets Acquired) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954502 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENTS (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954503 - Disclosure - LEASES (Narrative) (Details) </link:definition>
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<link:definition> 9954504 - Disclosure - LEASES (Lease Cost) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954505 - Disclosure - LEASES (Supplemental Balance Sheet Information Related to Leases) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954506 - Disclosure - LEASES (Supplemental Cash Flow Information Related to Leases) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="GOODWILLGoodwillbySegmentDetails" roleURI="http://www.costar.com/role/GOODWILLGoodwillbySegmentDetails">
<link:definition> 9954507 - Disclosure - GOODWILL (Goodwill by Segment) (Details) </link:definition>
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<link:definition> 9954508 - Disclosure - GOODWILL (Narrative) (Details) </link:definition>
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<link:definition> 9954509 - Disclosure - INTANGIBLE ASSETS (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954510 - Disclosure - LONG-TERM DEBT (Schedule of Debt) (Details) </link:definition>
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<link:definition> 9954511 - Disclosure - LONG-TERM DEBT (Narrative) (Details) </link:definition>
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<link:definition> 9954512 - Disclosure - LONG-TERM DEBT (Interest) (Details) </link:definition>
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<link:definition> 9954513 - Disclosure - INCOME TAXES (Details) </link:definition>
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<link:definition> 9954514 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) </link:definition>
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<link:definition> 9954515 - Disclosure - SEGMENT REPORTING (Narrative) (Details) </link:definition>
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<link:definition> 9954516 - Disclosure - SEGMENT REPORTING (EBITDA) (Details) </link:definition>
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<link:definition> 9954517 - Disclosure - SEGMENT REPORTING (Reconciliation of Net Income (Loss) to EBITDA) (Details) </link:definition>
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<link:definition> 9954518 - Disclosure - SEGMENT REPORTING (Summarized Information) (Details) </link:definition>
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<link:definition> 9954519 - Disclosure - SUBSEQUENT EVENTS (Details) </link:definition>
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<xs:element id="csgp_LongTermDebtMaturityInterestPaymentsYearOne" abstract="false" name="LongTermDebtMaturityInterestPaymentsYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_LongTermDebtMaturityInterestPaymentsYearTwo" abstract="false" name="LongTermDebtMaturityInterestPaymentsYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_DebtInstrumentParValueDiscountedRate" abstract="false" name="DebtInstrumentParValueDiscountedRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="csgp_FinanceLeaseLiabilityToBePaidDueAfterYearFour" abstract="false" name="FinanceLeaseLiabilityToBePaidDueAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_AccruedLiabilitiesAndOtherLiabilitiesCurrent" abstract="false" name="AccruedLiabilitiesAndOtherLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedWagesAndCommissions" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedWagesAndCommissions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_NumberOfTradeReceivablesInOtherMarketplacesPortfolioSegment" abstract="false" name="NumberOfTradeReceivablesInOtherMarketplacesPortfolioSegment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="csgp_LoopNetMember" abstract="true" name="LoopNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="csgp_BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableCashPaidPerAcquireeShare" abstract="false" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableCashPaidPerAcquireeShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
<xs:element id="csgp_PaymentsToAcquirePropertyAndEquipmentAndOtherAssets" abstract="false" name="PaymentsToAcquirePropertyAndEquipmentAndOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_RevolvingLoansAndLettersOfCreditMember" abstract="true" name="RevolvingLoansAndLettersOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="csgp_PerformanceBasedRestrictedStockMember" abstract="true" name="PerformanceBasedRestrictedStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="csgp_AdjustmentToSOFRMember" abstract="true" name="AdjustmentToSOFRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="csgp_CapitalExpendituresIncurredButNotYetPaidAndNoncashLandlordIncentives" abstract="false" name="CapitalExpendituresIncurredButNotYetPaidAndNoncashLandlordIncentives" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_OtherMarketplacesMember" abstract="true" name="OtherMarketplacesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="csgp_AdjustmentsToAdditionalPaidInCapitalRestrictedStockSurrendered" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalRestrictedStockSurrendered" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_MultifamilyOnlineMarketplaceMember" abstract="true" name="MultifamilyOnlineMarketplaceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="csgp_ScheduleOfInterestExpenseTableTextBlock" abstract="false" name="ScheduleOfInterestExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="csgp_InvestmentsAndFairValueDisclosuresAbstract" abstract="true" name="InvestmentsAndFairValueDisclosuresAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="csgp_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenseExcludingWagesAndCommissions" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenseExcludingWagesAndCommissions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_NumberOfTradeReceivablesInMultifamilyPortfolio" abstract="false" name="NumberOfTradeReceivablesInMultifamilyPortfolio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="csgp_OperatingLeaseCostAbstract" abstract="true" name="OperatingLeaseCostAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="csgp_NumberOfPortfolioSegments" abstract="false" name="NumberOfPortfolioSegments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="csgp_LongTermDebtMaturityInterestPaymentsYearFour" abstract="false" name="LongTermDebtMaturityInterestPaymentsYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_NumberOfTradeReceivablesInInformationServicesPortfolio" abstract="false" name="NumberOfTradeReceivablesInInformationServicesPortfolio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="csgp_GoodwillAbstract" abstract="true" name="GoodwillAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="csgp_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_OnTheMarketMember" abstract="true" name="OnTheMarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="csgp_InformationservicesMember" abstract="true" name="InformationservicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="csgp_LongTermDebtMaturityInterestPaymentsYearThree" abstract="false" name="LongTermDebtMaturityInterestPaymentsYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_MatterportMember" abstract="true" name="MatterportMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="csgp_OperatingAndFinanceLeaseLiabilityCurrent" abstract="false" name="OperatingAndFinanceLeaseLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_LeaseIncomeNonOperating" abstract="false" name="LeaseIncomeNonOperating" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_A2800SeniorNotesMember" abstract="true" name="A2800SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="csgp_AmortizationOfIntangibleAssetsNetOfAdjustments" abstract="false" name="AmortizationOfIntangibleAssetsNetOfAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_ArlingtonVAMember" abstract="true" name="ArlingtonVAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="csgp_ProceedsFromExerciseOfStockOptionsAndEspp" abstract="false" name="ProceedsFromExerciseOfStockOptionsAndEspp" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_NumberOfTradeReceivablesInLoopNetPortfolio" abstract="false" name="NumberOfTradeReceivablesInLoopNetPortfolio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="csgp_LongTermDebtMaturityInterestPaymentsAbstract" abstract="true" name="LongTermDebtMaturityInterestPaymentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="csgp_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract" abstract="true" name="RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="csgp_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet" abstract="false" name="AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_DepreciationAndAmortizationNonOperating" abstract="false" name="DepreciationAndAmortizationNonOperating" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_OnTheMarketPlcMember" abstract="true" name="OnTheMarketPlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="csgp_PercentageOfTotalRevenue" abstract="false" name="PercentageOfTotalRevenue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
<xs:element id="csgp_ContractwithCustomerLiabilityNewDeferralsNetofAmountsRecognizedinCurrentPeriod" abstract="false" name="ContractwithCustomerLiabilityNewDeferralsNetofAmountsRecognizedinCurrentPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_SupplementalBalanceSheetInformationRelatedtoLeasesTableTextBlock" abstract="false" name="SupplementalBalanceSheetInformationRelatedtoLeasesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="csgp_ResidentialMember" abstract="true" name="ResidentialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="csgp_ContractwithCustomerAssetEffectsofCurrencyTranslation" abstract="false" name="ContractwithCustomerAssetEffectsofCurrencyTranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_DeferredSalesCommissionsImpairment" abstract="false" name="DeferredSalesCommissionsImpairment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" abstract="true" name="CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="csgp_FinanceLeaseExpense" abstract="false" name="FinanceLeaseExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_ScheduleofCommissionsExpenseTableTextBlock" abstract="false" name="ScheduleofCommissionsExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="csgp_ArlingtonOfficeTowerMember" abstract="true" name="ArlingtonOfficeTowerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="csgp_MergerAgreementSurvivingCorporationThresholdPercentageImmediatelyFollowingFirstTransaction" abstract="false" name="MergerAgreementSurvivingCorporationThresholdPercentageImmediatelyFollowingFirstTransaction" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
<xs:element id="csgp_IncreaseDecreaseLeaseRightofUseandOtherAssets" abstract="false" name="IncreaseDecreaseLeaseRightofUseandOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="csgp_A2020CreditAgreementMember" abstract="true" name="A2020CreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>

3 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 4/22/24  CoStar Group, Inc.                8-K:1,7,9   4/21/24   12:831K                                   Donnelley … Solutions/FA
 5/09/22  CoStar Group, Inc.                8-K:5       4/18/22   11:389K
 6/07/21  CoStar Group, Inc.                8-K:5,8     6/02/21   12:251K
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