US WARN intelligence
California layoffs & WARN notices
California has 17,586 non-cancelled imported WARN notices reporting 1,452,638 workers affected. 217 notices have future effective dates. These totals cover imported records only.
What the official notice history shows
During the last 365 days, this imported archive contains 1,497 eligible official filings for California, reporting 74,240 affected workers. 0 worker counts are unavailable. The newest official notice date is Oct 6, 2026.
17521 non-cancelled direct government records and 63 attributed secondary records appear in the full archive. Recent official event types: layoff, closure, temporary, unspecified. 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
Notice history by year
Filings and attributed reports
| Company / location | Workers | Effective date | Notice date | Type / source |
|---|---|---|---|---|
| Velo3DAlameda, CA | 29 | Dec 8, 2024 | Oct 9, 2024 | layoffSource ↗ |
| PeratonMonterey, CA | 52 | Nov 14, 2024 | Oct 9, 2024 | layoffSource ↗ |
| Avante HealthOrange, CA | 159 | Nov 25, 2024 | Oct 8, 2024 | closureSource ↗ |
| Kaiser Foundation HospitalsContra Costa, CA | 1 | Dec 6, 2024 | Oct 7, 2024 | layoffSource ↗ |
| Kaiser Foundation HospitalsLos Angeles, CA | 1 | Dec 6, 2024 | Oct 7, 2024 | layoffSource ↗ |
| L3Harris Technologies, Sonoma EOSonoma, CA | 49 | Dec 12, 2024 | Oct 7, 2024 | closureSource ↗ |
| Kaiser Foundation HospitalsAlameda, CA | 7 | Dec 6, 2024 | Oct 7, 2024 | layoffSource ↗ |
| Kaiser Foundation HospitalsLos Angeles, CA | 4 | Dec 6, 2024 | Oct 7, 2024 | layoffSource ↗ |
| NFI National Distribution CentersLos Angeles, CA | 54 | Dec 31, 2024 | Oct 7, 2024 | closureSource ↗ |
| Kaiser Foundation HospitalsAlameda, CA | 6 | Dec 6, 2024 | Oct 7, 2024 | layoffSource ↗ |
| Kaiser Foundation HospitalsSan Bernardino, CA | 1 | Dec 6, 2024 | Oct 7, 2024 | layoffSource ↗ |
| MedtronicOrange, CA | 237 | Dec 4, 2024 | Oct 4, 2024 | temporarySource ↗ |
| Blackstone GamingLos Angeles, CA | 140 | Dec 2, 2024 | Oct 3, 2024 | layoffSource ↗ |
| Avon Protection SystemsOrange, CA | 128 | Dec 20, 2024 | Oct 3, 2024 | layoffSource ↗ |
| AppLovinSanta Clara, CA | 65 | Oct 3, 2024 | Oct 3, 2024 | layoffSource ↗ |
| Amys KitchenSonoma, CA | 22 | Dec 3, 2024 | Oct 2, 2024 | layoffSource ↗ |
| Blue Shield of CaliforniaLos Angeles, CA | 29 | Dec 11, 2024 | Oct 2, 2024 | layoffSource ↗ |
| Key Energy ServicesKern, CA | 63 | Dec 2, 2024 | Oct 2, 2024 | layoffSource ↗ |
| Blue Shield of CaliforniaLos Angeles, CA | 5 | Dec 11, 2024 | Oct 2, 2024 | layoffSource ↗ |
| Blue Shield of CaliforniaSan Joaquin, CA | 1 | Dec 11, 2024 | Oct 2, 2024 | layoffSource ↗ |
| Key Energy ServicesVentura, CA | 21 | Dec 2, 2024 | Oct 2, 2024 | layoffSource ↗ |
| Amys KitchenSonoma, CA | 283 | Dec 3, 2024 | Oct 2, 2024 | layoffSource ↗ |
| Blue Shield of CaliforniaBuilding C El Dorado Hills, CA | 1 | Dec 11, 2024 | Oct 2, 2024 | layoffSource ↗ |
| Key Energy ServicesMonterey, CA | 9 | Dec 2, 2024 | Oct 2, 2024 | layoffSource ↗ |
| Blue Shield of CaliforniaAlameda, CA | 16 | Dec 11, 2024 | Oct 2, 2024 | layoffSource ↗ |