# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001057352-26-000035
Filing Date
2026-04-29
Accepted
2026-04-29 16:09:41
Documents
97
Period of Report
2026-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | csgp-20260331.htm iXBRL | 10-Q | 1366676
2 | EX-31.1 | csgp-033126xex311.htm | EX-31.1 | 11280
3 | EX-31.2 | csgp-033126xex312.htm | EX-31.2 | 11445
4 | EX-32.1 | csgp-033126xex321.htm | EX-32.1 | 7426
5 | EX-32.2 | csgp-033126xex322.htm | EX-32.2 | 7437
11 | GRAPHIC | csgp-20260331_g1.jpg | GRAPHIC | 32279
| Complete submission text file | 0001057352-26-000035.txt |  | 9352508

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | csgp-20260331.xsd | EX-101.SCH | 62487
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | csgp-20260331_cal.xml | EX-101.CAL | 125400
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | csgp-20260331_def.xml | EX-101.DEF | 321000
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | csgp-20260331_lab.xml | EX-101.LAB | 817615
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | csgp-20260331_pre.xml | EX-101.PRE | 597477
101 | EXTRACTED XBRL INSTANCE DOCUMENT | csgp-20260331_htm.xml | XML | 1372655

Mailing Address 1201 WILSON BLVD. ARLINGTON VA 22209
Business Address 1201 WILSON BLVD. ARLINGTON VA 22209 2023466500
COSTAR GROUP, INC. (Filer) CIK: 0001057352 (see all company filings)

EIN.: 522091509 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-24531 | Film No.: 26916056
SIC: 7389 Services-Business Services, NEC
(CF Office: 07 Trade & Services)