US WARN intelligence

San Mateo County, California WARN notices

San Mateo County, California has 581 non-cancelled imported WARN notices reporting 46,943 workers affected. 6 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 47 eligible official filings for San Mateo County, California, reporting 6,121 affected workers. 0 worker counts are unavailable. The newest official notice date is Sep 14, 2026.

580 non-cancelled direct government records and 1 attributed secondary records appear in the full archive. Recent official event types: layoff, closure. 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

581Non-cancelled notices
46,943Reported workers
6Future effective dates
Coverage is limited to connected sources and imported date ranges. 0 notices have unavailable worker counts. Company groups match normalized names; aliases below preserve exact employer names from filings. Methodology →

Notice history by year

202638 notices · 5,521 reported workers
202562 notices · 3,309 reported workers
202448 notices · 3,865 reported workers
2023129 notices · 5,388 reported workers
202244 notices · 4,115 reported workers
202142 notices · 2,917 reported workers
2020170 notices · 18,271 reported workers
201923 notices · 1,595 reported workers
201817 notices · 1,372 reported workers
20177 notices · 515 reported workers
20161 notices · 75 reported workers

Filings and attributed reports

Company / locationWorkersEffective dateNotice dateType / source
Verity Health System of CaliforniaDaly City, CA1Apr 16, 2019Feb 15, 2019layoffSource ↗
PrimeLink SolutionsBurlingame, CA6Apr 8, 2019Feb 6, 2019closureSource ↗
Verity Medical FoundationRedwood City, CA36Mar 31, 2019Jan 25, 2019layoffSource ↗
Genentech, Inc. and Genentech USASouth San, CA67Mar 29, 2019Jan 24, 2019layoffSource ↗
Verity Health System of CaliforniaDaly City, CA19Mar 19, 2019Jan 18, 2019layoffSource ↗
Theravance Biopharma USSouth San, CA49Mar 8, 2019Jan 7, 2019layoffSource ↗
CardioDxRedwood City, CA110Feb 20, 2019Dec 19, 2018layoffSource ↗
Tobi.comSouth San, CA62Jan 31, 2019Nov 30, 2018closureSource ↗
GenentechSouth San, CA83Dec 19, 2018Nov 29, 2018layoffSource ↗
AchaogenSouth San, CA85Jan 4, 2019Nov 12, 2018layoffSource ↗
PfizerSouth San, CA100Feb 18, 2019Nov 9, 2018closureSource ↗
Lowes CompaniesSouth San, CA119Jan 3, 2019Nov 5, 2018closureSource ↗
AchaogenSouth San, CA83Sep 24, 2018Oct 31, 2018layoffSource ↗
MetaSan Mateo, CA88Sep 4, 2018Sep 4, 2018temporarySource ↗
Mayfield RoboticsRedwood City, CA63Oct 19, 2018Aug 20, 2018closureSource ↗
ApttusSan Mateo, CA65Oct 3, 2018Aug 3, 2018layoffSource ↗
Genentech, Inc. and Genentech USASouth San, CA223Aug 31, 2018Jul 26, 2018layoffSource ↗
DaVita RxSan Bruno, CA32Sep 23, 2018Jul 25, 2018closureSource ↗
eBayBrisbane, CA5Jun 27, 2018Jun 27, 2018layoffSource ↗
Hecny TransportationBrisbane, CA2Jun 15, 2018Apr 11, 2018closureSource ↗
Kizan InternationalBrisbane, CA60Jun 30, 2018Apr 6, 2018layoffSource ↗
FAA San Bruno.San Bruno, CA52Jun 1, 2018Mar 30, 2018closureSource ↗
GoProSan Mateo, CA140Jan 4, 2018Jan 4, 2018layoffSource ↗
ItsOnRedwood City, CA68Dec 31, 2017Dec 26, 2017closureSource ↗
CrunchRedwood City, CA48Jan 31, 2018Dec 1, 2017closureSource ↗

581 notices · Source check Oct 10, 2026