Employers in California posted 180 WARN Act notices in March 2023, affecting an estimated 12,590 workers — reflecting a cooling compared to February and up 87% versus March 2022. The average filing covered 70 workers, with 32 closures among the notices.
| Industry | Notices | Workers |
|---|---|---|
| Retail | 2 | 1,005 |
| Finance & Insurance | 4 | 770 |
| Healthcare | 18 | 740 |
| Manufacturing | 12 | 737 |
| Information & Technology | 7 | 662 |
| Admin & Support Services | 3 | 618 |
| Professional Services | 1 | 89 |
| Accommodation & Food | 1 | 85 |
The Retail sector saw the heaviest impact with 1,005 workers across 2 notices. On a related front, Finance & Insurance reported 770 workers.
| County | Notices | Workers |
|---|---|---|
| Los Angeles | 26 | 2,313 |
| Santa Clara | 34 | 1,945 |
| San Mateo | 28 | 1,378 |
| San Bernardino | 7 | 1,265 |
| San Diego | 20 | 1,252 |
Los Angeles absorbed the greatest share of layoffs, accounting for 18% of all affected workers with 2,313 workers across 26 notices.
| City | Notices | Workers |
|---|---|---|
| Newbury Park | 1 | 425 |
| Cupertino | 1 | 416 |
| San Diego | 8 | 312 |
| South San Francisco | 1 | 271 |
| Floor 13 San Francisco | 1 | 268 |
| Type | Notices | Workers |
|---|---|---|
| Layoff | 148 | 11,069 |
| Closure | 32 | 1,521 |
Closures accounted for 12% of affected workers, while the majority of filings were layoffs rather than permanent shutdowns.
| Company | City | Workers | Type | Date |
|---|---|---|---|---|
| Walmart | 953 | Layoff | 2023-03-31 | |
| Virgin Orbit, LLC | 603 | Layoff | 2023-03-30 | |
| Amgen Inc | 425 | Layoff | 2023-03-16 | |
| Amgen Inc | Newbury Park | 425 | Layoff | 2023-03-17 |
| Security Industry Specialists, Inc | Cupertino | 416 | Layoff | 2023-03-17 |
| Genentech, Inc | 271 | Layoff | 2023-03-23 | |
| Genentech, Inc | South San Francisco | 271 | Layoff | 2023-03-27 |
| Atlassian US, Inc | 268 | Layoff | 2023-03-06 | |
| Atlassian US, Inc | Floor 13 San Francisco | 268 | Layoff | 2023-03-08 |
| Silvergate Bank | 260 | Layoff | 2023-03-13 | |
| Silvergate Bank | 4250 Executive Square Suite 300 La Jolla | 260 | Layoff | 2023-03-23 |
| Auris Health, Inc | 223 | Layoff | 2023-03-01 | |
| Auris Health, Inc | Redwood City | 223 | Layoff | 2023-03-02 |
| Zoom Video Communications, Inc | San Jose | 199 | Layoff | 2023-03-01 |
| Aspiration Partners, Inc | 180 | Layoff | 2023-03-24 |
The largest notice was filed by Walmart at its California facility, reporting 953 affected workers. Virgin Orbit, LLC followed with 603 workers.
This is the third consecutive month of declining layoff activity.
The trends suggest a mixed picture for California's labor market, with activity diverging between monthly and annual comparisons. The Retail sector warrants close attention heading into the next period.
This analysis is based on official WARN Act filings reported by California. The Worker Adjustment and Retraining Notification (WARN) Act requires employers with 100+ employees to provide 60-day advance notice of mass layoffs and plant closings. Data is updated daily by WARN Firehose. View all California WARN notices, browse layoffs by state, or download the full dataset.
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