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 |
|---|---|---|---|---|
| AmazonSanta Clara, CA | 31 | Jan 17, 2023 | Nov 15, 2022 | layoffSource ↗ |
| AmazonSanta Clara, CA | 44 | Jan 17, 2023 | Nov 15, 2022 | layoffSource ↗ |
| Silicon Valley TMS of East BayAlameda, CA | 6 | Jan 20, 2023 | Nov 15, 2022 | closureSource ↗ |
| Thermo Fisher ScientificSan Mateo, CA | 49 | Jan 31, 2023 | Nov 15, 2022 | layoffSource ↗ |
| PennymacVentura, CA | 1 | Jan 17, 2023 | Nov 15, 2022 | layoffSource ↗ |
| PennymacVentura, CA | 2 | Jan 17, 2023 | Nov 15, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaEl Dorado, CA | 47 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| IlluminaSan Diego, CA | 206 | Jan 13, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaLos Angeles, CA | 2 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaLos Angeles, CA | 24 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| IlluminaSan Diego, CA | 1 | Jan 13, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaShasta, CA | 16 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaLos Angeles, CA | 27 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaNorth Suite #1300 San Diego, CA | 5 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| IntercomSan Francisco, CA | 55 | Jan 13, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaSuite 800 Costa Mesa, CA | 7 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaSan Diego, CA | 2 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| IlluminaAlameda, CA | 4 | Jan 13, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaSan Francisco, CA | 1 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Sodexo Inc. at PHH Hemet Valley Medical CenterRiverside, CA | 83 | Jan 13, 2023 | Nov 14, 2022 | closureSource ↗ |
| Sodexo Inc. at PHH Hemet Valley Recovery CenterRiverside, CA | 14 | Jan 13, 2023 | Nov 14, 2022 | closureSource ↗ |
| Sodexo Inc. at PHH Menifee Valley Medical CenterRiverside, CA | 32 | Jan 13, 2023 | Nov 14, 2022 | closureSource ↗ |
| Blue Shield of CaliforniaAlameda, CA | 62 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaLos Angeles, CA | 3 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |
| Blue Shield of CaliforniaEl Dorado, CA | 41 | Jan 25, 2023 | Nov 14, 2022 | layoffSource ↗ |