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Layoff Radar

Layoffs in San Mateo County, California

WARN notices for San Mateo County in California's latest reports: 10 notices listing 1,412 workers.

Your first-week planFind jobs in California

1,412workers listed
10notices
9employers (as listed)
Sep 14, 2026most recent notice date

Source: California Employment Development Department (EDD) — WARN REPORT - 07/01/26 to 10/14/2026 , imported Oct 20, 2026. Shown as the state lists them.

Notices

Company (as listed)PlaceWorkersNotice dateLayoff or closure dateType
Oracle America, Inc. · ManufacturingSan Mateo County · 500 Oracle Parkway Redwood City CA 94065279 workersSep 14, 2026Nov 13, 2026Layoff Permanent
LeeMah Electronics · ManufacturingSan Mateo County · 15 South Hill Drive Brisbane CA 9400562 workersSep 11, 2026Dec 21, 2026Closure Permanent
Arsenal Biosciences, Inc. · Professional Scientific and Technical ServicesSan Mateo County · 329 Oyster Point Blvd South San Francisco CA 9408058 workersAug 31, 2026Oct 29, 2026Layoff Permanent
Cellares Corporation · Professional Scientific and Technical ServicesSan Mateo County · 1100 Veterans Boulevard South San Francisco CA 94080100 workersAug 21, 2026Oct 20, 2026Layoff Permanent
LeeMAH Electronics · ManufacturingSan Mateo County · 155 South Hill Drive Brisbane CA 94005205 workersAug 17, 2026Oct 16, 2026Closure Permanent
Flying Food Group, LLC · Accommodation and Food ServicesSan Mateo County · 50 Adrian Ct Burlingame CA 9401072 workersAug 14, 2026Oct 13, 2026Closure Permanent
Visa · Finance and InsuranceSan Mateo County · 900 Metro Center Blvd Foster City CA 94404320 workersJul 31, 2026Oct 1, 2026Layoff Permanent
Yerba Mate Co., LLC - South San Francisco · Wholesale TradeSan Mateo County · 225 Harris Court South San Francisco CA 940801 workerJul 27, 2026Sep 1, 2026Layoff Permanent
LeeMAH Electronics · ManufacturingSan Mateo County · 155 South Hill Drive Brisbane CA 94005212 workersJul 7, 2026Sep 8, 2026Closure Permanent
Genentech, Inc. · Professional Scientific and Technical ServicesSan Mateo County · 1 DNA Way South San Francisco CA 94080103 workersJun 26, 2026Jul 29, 2026Layoff Permanent

Got a layoff notice? Your first week

  1. File for unemployment as soon as your job ends

    In California you apply with the state: Unemployment benefits — EDD . See the weekly amounts on unemployment benefits in California.

  2. Ask when your final paycheck will be paid

    Federal law does not require an immediate final paycheck, but some states do. If it is late, contact your state labor department or the Wage and Hour Division: Last paycheck — U.S. Department of Labor .

  3. Keep your health coverage

    Losing job-based coverage can let you enroll in a Marketplace plan outside open enrollment, usually within 60 days: Special Enrollment Period — HealthCare.gov . You may also be able to keep your plan through COBRA: COBRA — USAGov .

  4. Use free Rapid Response and job center help

    State Rapid Response teams and American Job Centers offer job search help, career counseling and training at no cost: Rapid Response — U.S. Department of Labor · American Job Centers .

  5. Start your search and add income

    Open jobs in California link straight to each employer's application page, and the step-by-step income paths show ways to earn while you look.

Open jobs in California

All 1,761 open jobs in California Jobs paying $20+ an hourPart-time jobsFirst-week checklist

A WARN notice is the advance notice an employer files with the state before a plant closing or mass layoff. Each row is what the employer reported to the state; the number of workers and the dates can change later. JoRoute does not contact or verify with the companies listed. WARN Act — U.S. Department of Labor .