Layoffs in South San Francisco, California
874 workers affected across 13 official WARN filings in South San Francisco. 158 of those jobs have not gone yet — already filed, not yet effective.
874
workers affected
13
filings
158
scheduled ahead
Aug 31, 2026
latest filing
Employers cutting jobs in South San Francisco
Every filing in South San Francisco
Other places in California
Questions
How many people have been laid off in South San Francisco?
Official WARN Act filings record 874 affected workers across 13 filings in South San Francisco, California. This counts only layoffs large enough to require a WARN notice, so the true total is higher.
Which employers are cutting jobs in South San Francisco?
The largest by jobs cut are Genentech, Inc. (449), Arsenal Biosciences, Inc. (158), Cellares Corporation (100). The full list is on this page.
Are more layoffs coming in South San Francisco?
Yes — 158 jobs across 2 filings are already scheduled but have not taken effect yet. WARN notices are filed about 60 days ahead, so these are on the public record before they happen.
Watching South San Francisco?
Free alert the moment a new layoff is filed here.