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
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 / location | Workers | Effective date | Notice date | Type / source |
|---|---|---|---|---|
| Johnson & Johnson Family of CompaniesSouth San Francisco, CA | 35 | May 28, 2021 | Mar 24, 2021 | closureSource ↗ |
| Johnson & Johnson ServicesSouth San Francisco, CA | 3 | May 28, 2021 | Mar 18, 2021 | closureSource ↗ |
| Johnson & Johnson InternationalSouth San Francisco, CA | 6 | May 28, 2021 | Mar 18, 2021 | closureSource ↗ |
| Johnson & Johnson Family of CompaniesSouth San Francisco, CA | 11 | May 28, 2021 | Mar 18, 2021 | closureSource ↗ |
| Johnson & Johnson Health Care SystemsSouth San Francisco, CA | 5 | May 28, 2021 | Mar 18, 2021 | closureSource ↗ |
| Johnson & Johnson Family of CompaniesSouth San Francisco, CA | 8 | May 28, 2021 | Mar 18, 2021 | closureSource ↗ |
| Johnson & Johnson Family of CompaniesSouth San Francisco, CA | 2 | May 28, 2021 | Mar 18, 2021 | closureSource ↗ |
| Johnson & JohnsonSouth San Francisco, CA | 2 | May 28, 2021 | Mar 18, 2021 | closureSource ↗ |
| All About ParkingMenlo Park, CA | 210 | Apr 30, 2021 | Feb 26, 2021 | layoffSource ↗ |
| Gilead SciencesFoster City, CA | 179 | May 30, 2021 | Feb 16, 2021 | layoffSource ↗ |
| Flying Food GroupSouth San Francisco, CA | 226 | Apr 1, 2021 | Jan 29, 2021 | temporarySource ↗ |
| Stitch FixSouth San Francisco, CA | 162 | Apr 30, 2021 | Jan 26, 2021 | closureSource ↗ |
| First TransitRedwood City, CA | 13 | Jan 21, 2021 | Jan 14, 2021 | temporarySource ↗ |
| Residence Inn by MarriottSouth San Francisco, CA | 33 | Mar 1, 2021 | Dec 28, 2020 | closureSource ↗ |
| Courtyard ManagementSouth San Francisco, CA | 57 | Mar 1, 2021 | Dec 28, 2020 | closureSource ↗ |
| Bon Appétit Management Co. (Bon Appétit) operations at OracleSan Mateo, CASecondary · WARN Feed | 105 | Aug 27, 2020 | Dec 28, 2020 | temporarySource ↗ |
| The Ritz-Carlton HotelHalf Moon Bay, CA | 138 | Dec 19, 2020 | Dec 21, 2020 | temporarySource ↗ |
| Rosewood Sand HillMenlo Park, CA | 51 | Dec 17, 2020 | Dec 16, 2020 | temporarySource ↗ |
| Lucky Chances CasinoColma, CA | 489 | Dec 18, 2020 | Dec 16, 2020 | temporarySource ↗ |
| Lucky Business Services, Inc. - Lucky Chances CasinoColma, CA | 220 | Dec 18, 2020 | Dec 16, 2020 | temporarySource ↗ |
| Fish Market RestaurantsSouth San Francisco, CA | 1 | Dec 2, 2020 | Dec 3, 2020 | layoffSource ↗ |
| CorePower YogaSan Mateo, CA | 12 | Dec 2, 2020 | Dec 1, 2020 | temporarySource ↗ |
| Equinox HoldingsSan Mateo, CA | 68 | Dec 3, 2020 | Dec 1, 2020 | temporarySource ↗ |
| Prime Time Athletic ClubBurlingame, CA | 57 | Nov 30, 2020 | Nov 29, 2020 | temporarySource ↗ |
| Flying Food GroupSouth San Francisco, CA | 7 | Nov 13, 2020 | Nov 13, 2020 | layoffSource ↗ |