Layoffs in South San Francisco, California
716 workers affected across 11 official WARN filings in South San Francisco. 1 of those job has not gone yet — already filed, not yet effective.
716
workers affected
11
filings
1
scheduled ahead
Jul 27, 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 716 affected workers across 11 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. (100), Alector LLC (75). The full list is on this page.
Are more layoffs coming in South San Francisco?
Yes — 1 job across 1 filing 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.