WARN Act Layoffs in South San Francisco, California
WARN Act mass layoff and plant closure notices in South San Francisco, California, updated daily.
Data updated
2
Notices (2026)
161
Workers Affected
Genentech
Biggest Filing (103)
Professional Services
Top Industry
Latest WARN Notices in South San Francisco
| Company | City | Employees | Notice Date | Type |
|---|---|---|---|---|
| Arsenal Biosciences | South San Francisco | 58 | ||
| Genentech | South South San Francisco | 103 | ||
| Genentech | South San Francisco | 118 | Layoff | |
| Genentech | South South San Francisco | 118 | ||
| Alector | South San Francisco | 75 | Layoff | |
| Sutro Biopharma | South San Francisco | 1 | Layoff | |
| Sutro Biopharma | South San Francisco | 45 | Layoff | |
| Sutro Biopharma | South San Francisco | 8 | ||
| Arsenal Biosciences | South San Francisco | 100 | Layoff | |
| genentech | South San Francisco | 141 | Layoff | |
| Planned Parenthood Mar Monte | South San Francisco | 10 | Layoff | |
| Genentech | South San Francisco | 87 | Layoff | |
| Genentech | South South San Francisco | 87 | ||
| Genentech | South South San Francisco | 143 | Layoff | |
| 257 Unitek Learning Education Group | South San Francisco | 1 | Layoff | |
| NGM Biopharmaceuticals | South San Francisco | 85 | Layoff | |
| Pliant Therapeutics | South San Francisco | 69 | Layoff | |
| NGM Biopharmaceuticals | South San Francisco | 85 | Layoff | |
| 23andMe | South San Francisco | 250 | Closure | |
| Pfizer | South San Francisco Research Facility South San Francisco | 56 | Layoff |
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South San Francisco, California Layoff FAQ
How many layoffs have been announced in South San Francisco, California?
South San Francisco, California has had 2 WARN Act notices (2026) affecting 161 workers.
What was the largest recent layoff in South San Francisco, California?
The largest WARN filing in South San Francisco, California was by Genentech, affecting 103 workers.
What is the WARN Act?
The Worker Adjustment and Retraining Notification (WARN) Act is a federal law requiring employers with 100 or more employees to provide 60 calendar days' advance notice of plant closings and mass layoffs. Some states have stricter mini-WARN laws with lower thresholds or longer notice periods.
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