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
Notice history by year
Filings and attributed reports
| Company / location | Workers | Effective date | Notice date | Type / source |
|---|---|---|---|---|
| San Francisco OperaBurlingame, CA | 19 | Aug 1, 2020 | Jul 10, 2020 | temporarySource ↗ |
| Stryker EmploymentMenlo Park, CA | 33 | Aug 31, 2020 | Jun 29, 2020 | layoffSource ↗ |
| nVent ThermalRedwood City, CA | 62 | Aug 9, 2020 | Jun 26, 2020 | temporarySource ↗ |
| nVent ThermalRedwood City, CA | 62 | Jul 12, 2020 | Jun 26, 2020 | temporarySource ↗ |
| Coit Cleaning and RestorationBurlingame, CA | 20 | Mar 25, 2020 | Jun 18, 2020 | temporarySource ↗ |
| All About ParkingSan Mateo, CA | 22 | Jun 15, 2020 | Jun 15, 2020 | layoffSource ↗ |
| Hilton San Francisco Airport BayfrontBurlingame, CA | 119 | Jun 12, 2020 | Jun 12, 2020 | layoffSource ↗ |
| BiRite Foodservice DistributorsBrisbane, CA | 43 | Jun 11, 2020 | Jun 12, 2020 | layoffSource ↗ |
| The Bay ClubBurlingame, CA | 8 | Jun 7, 2020 | Jun 9, 2020 | layoffSource ↗ |
| Bay Club Redwood ShoresRedwood City, CA | 298 | Jun 7, 2020 | Jun 9, 2020 | layoffSource ↗ |
| The Bay ClubBurlingame, CA | 7 | Jun 7, 2020 | Jun 9, 2020 | layoffSource ↗ |
| Rosewood Sand HillMenlo Park, CA | 306 | Jul 31, 2020 | May 31, 2020 | layoffSource ↗ |
| Boudin Properties OperatingSouth San Francisco, CA | 1 | Jun 1, 2020 | May 29, 2020 | layoffSource ↗ |
| nVent ThermalRedwood City, CA | 50 | May 15, 2020 | May 27, 2020 | temporarySource ↗ |
| Sky ChefsBurlingame, CA | 139 | May 29, 2020 | May 26, 2020 | layoffSource ↗ |
| George P. JohnsonSan Carlos, CA | 24 | Apr 6, 2020 | May 22, 2020 | temporarySource ↗ |
| George P. JohnsonSan Carlos, CA | 30 | Mar 20, 2020 | May 22, 2020 | layoffSource ↗ |
| SFO AirporterSouth San Francisco, CA | 108 | Jul 22, 2020 | May 22, 2020 | layoffSource ↗ |
| Carey Dispatch ServicesSouth San Francisco, CA | 15 | May 15, 2020 | May 14, 2020 | layoffSource ↗ |
| Ricoh, USASouth San Francisco, CA | 1 | Feb 1, 2020 | May 8, 2020 | layoffSource ↗ |
| DelivMenlo Park, CA | 669 | May 7, 2020 | May 7, 2020 | layoffSource ↗ |
| Boyett ConstructionSouth San Francisco, CA | 32 | Mar 17, 2020 | May 6, 2020 | temporarySource ↗ |
| Verity Health System of CaliforniaDaly City, CA | 9 | Jul 6, 2020 | May 4, 2020 | layoffSource ↗ |
| Verity Health System of CaliforniaDaly City, CA | 27 | Jul 6, 2020 | May 4, 2020 | layoffSource ↗ |
| Verity Health System of CaliforniaDaly City, CA | 1,284 | Jul 6, 2020 | May 4, 2020 | layoffSource ↗ |