COSTAR GROUP, INC.

Services-Business Services, NEC | SIC: 7389
Phone: 2023466500
 
CIK: 0001057352
EIN: 522091509
State Location: VA
State of Inc.: DE
 
Tickers:
  • Nasdaq:CSGP

Form: 10-K

Filing Date: 26 Feb 2026
Report Date: 31 Dec 2025
Accepted: 25 Feb 2026 04:14 p.m.
Accession Number: 0001057352-26-000020
 
Act: 34
File Number: 000-24531
Film Number: 26680658

Documents

Primary Document: 10-K
Accepted: 25 Feb 2026 04:14 p.m.
0001057352-26-000020-index-headers.html
Last Modified: 25 Feb 2026 04:14 p.m.
0001057352-26-000020-index.html
Last Modified: 25 Feb 2026 04:14 p.m.
0001057352-26-000020.txt
Last Modified: 25 Feb 2026 04:14 p.m.
0001057352-26-000020-xbrl.zip
Last Modified: 25 Feb 2026 04:14 p.m.
csgp-20251231.xsd
Last Modified: 25 Feb 2026 04:14 p.m.
csgp-20251231_cal.xml
Last Modified: 25 Feb 2026 04:14 p.m.
csgp-20251231_def.xml
Last Modified: 25 Feb 2026 04:14 p.m.
csgp-20251231_g1.jpg
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csgp-20251231_g2.jpg
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csgp-20251231_htm.xml
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csgp-20251231_lab.xml
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csgp-20251231_pre.xml
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csgp-ex101920251231.htm
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csgp-ex102020251231.htm
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csgp-ex21120251231.htm
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csgp-ex23120251231.htm
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csgp-ex31120251231.htm
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csgp-ex31220251231.htm
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csgp-ex32120251231.htm
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csgp-ex32220251231.htm
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ex1016costar-2026annualc.htm
Last Modified: 25 Feb 2026 04:14 p.m.
ex1016costar-2026annualc001.jpg
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ex1016costar-2026annualc002.jpg
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ex1016costar-2026annualc003.jpg
Last Modified: 25 Feb 2026 04:14 p.m.