COMPANY DOSSIER

Is CoStar Group laying off workers?

Yes. CoStar Group filed a WARN notice in the last 12 months covering 3 jobs. The most recent was filed Nov 11, 2025 for Fulton County, Georgia, effective Jan 12, 2026. Across every year on record since 2016: 7 notices covering 327 jobs.

327 roles affected across 7 filings in 5 states.

Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
heavy executive turnover (5 SEC leadership-change filings)
CanaryWhistle's own assessment, computed from the public filings listed on this page. It is a read of hiring and workforce activity, not a statement about CoStar Group's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
◆ NATIONAL FOOTPRINT · 5 states. Each state files its own WARN notice, so small per-state counts are slices of one distributed layoff. Ranked by jobs cut:
Maryland104District of Columbia96California80Illinois44Georgia3

Filing history

CoStar Group has filed 7 WARN notices between 2016 and 2025, cutting 327 jobs in total. Activity picked back up in the last 12 months (3 jobs) after a quiet prior year.

44
104
96
14
66
3
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Corporate signalsSEC · PBGC · PRIMARY SOURCES

Material corporate events on record for CoStar Group, beyond the WARN notice, that fill in the wider story of a company under pressure. Each links to its official source. No other layoff tracker connects these.

Jul 13, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-07-13 by COSTAR GROUP, INC. (CSGP).SEC filing →
Jun 25, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-06-25 by COSTAR GROUP, INC. (CSGP).SEC filing →
Mar 16, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-03-16 by COSTAR GROUP, INC. (CSGP).SEC filing →
Feb 13, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-02-13 by COSTAR GROUP, INC. (CSGP).SEC filing →
Jan 7, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-01-07 by COSTAR GROUP, INC. (CSGP).SEC filing →
Jun 27, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-06-27 by COSTAR GROUP, INC. (CSGP).SEC filing →
Apr 7, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-04-07 by COSTAR GROUP, INC. (CSGP).SEC filing →
Feb 28, 2025AcquisitionSEC Form 8-K, Item 2.01, filed 2025-02-28 by COSTAR GROUP, INC. (CSGP).SEC filing →
Jul 11, 2024Executive ChangeSEC Form 8-K, Item 5.02, filed 2024-07-11 by COSTAR GROUP, INC. (CSGP).SEC filing →

Every filing

Fulton County, Georgia
Filed Nov 11, 2025 (11mo ago) · Effective Jan 12, 2026 · official filing →
3
Layoff
REMOTE · SLIVER
San Diego, California
Filed May 1, 2023 (3y ago) · Effective Jun 30, 2023 · official filing →
4
Layoff
REMOTE · SLIVER
San Diego, California
Filed Mar 8, 2023 (3y ago) · Effective May 12, 2023 · official filing →
62
Layoff
San Diego, California
Filed Nov 30, 2022 (3y ago) · Effective Jan 30, 2023 · official filing →
14
Layoff
Filed Jul 10, 2019 (7y ago) · Effective Sep 27, 2019 · official filing →
96
Layoff
Columbia, Maryland
Filed Jun 29, 2018 (8y ago) · Effective Aug 31, 2018 · official filing →
104
Layoff
Chicago, Illinois
Filed Jan 12, 2016 (10y ago) · Effective · · official filing →
44
Layoff

Questions

Is CoStar Group laying off employees?

Yes. CoStar Group filed a WARN notice in the last 12 months covering 3 jobs. The most recent was filed Nov 11, 2025 for Fulton County, Georgia, effective Jan 12, 2026. Across every year on record since 2016: 7 notices covering 327 jobs.

How many jobs is CoStar Group cutting?

3 jobs in WARN notices filed in the last 12 months. 327 jobs across all 7 official WARN filings on record since 2016, in 5 states.

When do the CoStar Group layoffs take effect?

The most recent filing lists an effective date of Jan 12, 2026. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.

Is CoStar Group on a list you care about?

Paste your suppliers, customers or holdings at /monitor and see which of them have filed a layoff that has not happened yet. A WARN notice is filed about 60 days before the jobs go, so those are still ahead of you. Free to check, no account, and we do not store your list.

Watching CoStar Group?

We'll email you if there are further filings, expansions, or new locations affected.

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