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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
Oracle America →California →Redwood City →LeeMAH Electronics →Brisbane →Arsenal Biosciences →South San Francisco →Cellares →FLYING FOOD GROUP →Burlingame →Visa →Foster City →Yerba Mate Co., LLC - South San Francisco →Flagship Facilities Services →Genentech →

Filings and attributed reports

Company / locationWorkersEffective dateNotice dateType / source
Trove RecommerceSan Mateo, CA2May 1, 2024Dec 21, 2023closureSource ↗
PfizerSan Mateo, CA52Feb 12, 2024Dec 15, 2023layoffSource ↗
CruiseSan Mateo, CA18Dec 14, 2023Dec 14, 2023layoffSource ↗
Cruise LLC - HeadquartersSan Mateo, CA330Dec 14, 2023Dec 14, 2023layoffSource ↗
CarbonSan Mateo, CA60Feb 15, 2024Dec 12, 2023layoffSource ↗
GE United Technologies IISan Mateo, CA60Nov 21, 2023Nov 21, 2023closureSource ↗
Talis BiomedicalSan Mateo, CA103Jan 14, 2024Nov 14, 2023closureSource ↗
Kaiser Foundation HospitalsSan Mateo, CA1Jan 4, 2024Nov 6, 2023layoffSource ↗
Sangamo TherapeuticsSan Mateo, CA65Jan 2, 2024Nov 1, 2023closureSource ↗
Sangamo TherapeuticsSan Mateo, CA37Jan 2, 2024Nov 1, 2023layoffSource ↗
InformaticaSan Mateo, CA90Dec 31, 2023Nov 1, 2023layoffSource ↗
ExabeamFourth Floor San Mateo, CA94Jan 1, 2024Oct 25, 2023layoffSource ↗
Gilead SciencesSan Mateo, CA41Dec 15, 2023Oct 4, 2023layoffSource ↗
Gilead SciencesSan Mateo, CA1Mar 15, 2023Oct 4, 2023layoffSource ↗
Robinhood MarketsSan Mateo, CA1Nov 20, 2023Sep 20, 2023layoffSource ↗
CSL ViforSan Mateo, CA85Oct 25, 2023Aug 21, 2023layoffSource ↗
Robinhood MarketsSan Mateo, CA2Oct 16, 2023Aug 17, 2023layoffSource ↗
IlluminaSan Mateo, CA1Sep 6, 2023Aug 7, 2023layoffSource ↗
YellowSan Mateo, CA30Jul 30, 2023Aug 1, 2023closureSource ↗
Universal Protection ServiceSan Mateo, CA13Sep 1, 2023Jul 27, 2023layoffSource ↗
Universal Protection ServiceSan Mateo, CA9Sep 1, 2023Jul 27, 2023layoffSource ↗
Universal Protection ServiceSan Mateo, CA12Sep 1, 2023Jul 27, 2023layoffSource ↗
Universal Protection ServiceSan Mateo, CA3Sep 1, 2023Jul 27, 2023layoffSource ↗
CodexisSan Mateo, CA31Sep 30, 2023Jul 20, 2023layoffSource ↗
CodexisSan Mateo, CA28Sep 30, 2023Jul 20, 2023layoffSource ↗

581 notices · Source check Oct 9, 2026

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