US WARN intelligence
CoStar Group layoffs & WARN notices
CoStar Group appears in 6 non-cancelled imported WARN records across 4 states. These records report 231 affected workers; 0 have future effective dates. Totals include imported records only. Secondary records are attributed separately.
What the official notice history shows
During the last 365 days, this imported archive contains 0 eligible official filings for CoStar Group. Worker counts are unavailable for this period. 0 worker counts are unavailable. The newest official notice date is May 1, 2023.
4 non-cancelled direct government records and 2 attributed secondary records appear in the full archive. These figures describe notices, not unique people or completed layoffs. Grouped company names do not establish ownership.
Compare original weekly and monthly official-data reports → · How dates, names and counts are interpreted
State breakdown
| State | Notices | Reported workers | Upcoming events |
|---|---|---|---|
| California | 3 | 80 | 0 |
| Georgia | 1 | 3 | 0 |
| Illinois | 1 | 44 | 0 |
| Maryland | 1 | 104 | 0 |
Reported employer names
- CoStar Group (canonical company name)
- CoStar Group, Inc.
Notice history by year
Filings and attributed reports
| Company / location | Workers | Effective date | Notice date | Type / source |
|---|---|---|---|---|
| CoStar GroupFulton, GASecondary · WARN Feed | 3 | Jan 12, 2026 | Nov 11, 2025 | layoffSource ↗ |
| CoStar GroupSuite 300 San Diego, CA | 4 | Jun 30, 2023 | May 1, 2023 | layoffSource ↗ |
| CoStar GroupSan Diego, CA | 62 | May 12, 2023 | Mar 8, 2023 | layoffSource ↗ |
| CoStar GroupSuite 300 San Diego, CA | 14 | Jan 30, 2023 | Nov 30, 2022 | layoffSource ↗ |
| CoStar GroupColumbia, MD | 104 | Aug 31, 2018 | Jun 29, 2018 | UnavailableSource ↗ |
| CoStar GroupChicago, 222 West Adams, 15th Floor · IL recordSecondary · WARN Feed | 44 | Unavailable | Jan 12, 2016 | UnavailableSource ↗ |
