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Layoff Radar

Layoffs in Contra Costa County, California

WARN notices for Contra Costa County in California's latest reports: 21 notices listing 379 workers.

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379workers listed
21notices
19employers (as listed)
Sep 28, 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
Corteva Agriscience LLC · ManufacturingContra Costa County · 901 Loveridge Road Pittsburg CA 945652 workersSep 28, 2026Oct 30, 2026Layoff Permanent
Shell Catalyst & Technologies · ManufacturingContra Costa County · 10 Mococo Road Martinez CA 9455364 workersSep 9, 2026Nov 30, 2026Closure Permanent
John Muir Behavioral Health - 2740 Grant Street · Healthcare and Social AssistanceContra Costa County · 2740 Grant Street Concord CA 945201 workerAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - 1450 Treat Blvd. · Healthcare and Social AssistanceContra Costa County · 1450 Treat Boulevard Walnut Creek CA 945974 workersAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - 1601 Ygnacio Valley Road · Healthcare and Social AssistanceContra Costa County · 1601 Ygnacio Valley Road Walnut Creek CA 9459715 workersAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - 177 La Casa Via · Healthcare and Social AssistanceContra Costa County · 177 La Casa Via Walnut Creek CA 945982 workersAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - 2540 East Street · Healthcare and Social AssistanceContra Costa County · 2540 East Street Concord CA 9452015 workersAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - 2540 East Street · Healthcare and Social AssistanceContra Costa County · 2540 East Street Concord CA 945203 workersAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - 2700 Grant Street · Healthcare and Social AssistanceContra Costa County · 2700 Grant Street Concord CA 945201 workerAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - 2740 Grant Street · Healthcare and Social AssistanceContra Costa County · 2740 Grant Street Concord CA 945202 workersAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - 3480 Buskirk Ave. · Healthcare and Social AssistanceContra Costa County · 3480 Buskirk Avenue Pleasant Hill CA 945231 workerAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - 5003 Commercial Circle · Healthcare and Social AssistanceContra Costa County · 5003 Commercial Circle Concord CA 945202 workersAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Health - Treat Blvd. · Healthcare and Social AssistanceContra Costa County · 1400 Treat Boulevard Walnut Creek CA 9459723 workersAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Physician Network - 1450 Treat Blvd. · Healthcare and Social AssistanceContra Costa County · 1450 Treat Boulevard Walnut Creek CA 945976 workersAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Physician Network - 1601 Ygnacio Valley Road · Healthcare and Social AssistanceContra Costa County · 1601 Ygnacio Valley Road Walnut Creek CA 945971 workerAug 27, 2026Oct 28, 2026Layoff Permanent
John Muir Physician Network - 2700 Grant Street · Healthcare and Social AssistanceContra Costa County · 2700 Grant Street Concord CA 945201 workerAug 27, 2026Oct 28, 2026Layoff Permanent
Raley's Store No. 336 · Retail TradeContra Costa County · 2400 Sand Creek Rd. Brentwood CA 9451351 workersAug 27, 2026Nov 3, 2026Closure Permanent
Corteva Agriscience LLC · ManufacturingContra Costa County · 901 Loveridge Road Pittsburg CA 945652 workersAug 18, 2026Oct 30, 2026Layoff Permanent
EBALDC (120 Macdonald Ave) · Public AdministrationContra Costa County · 120 Macdonald Ave 907 Lake Street Richmond CA 948011 workerAug 11, 2026Oct 10, 2026Layoff Permanent
EBALDC (907 Lake Street) · Public AdministrationContra Costa County · 907 Lake Street San Pablo CA 948062 workersAug 11, 2026Oct 10, 2026Layoff Permanent
Chevron · Mining Quarrying Oil and Gas ExractionContra Costa County · 5001 Executive Parkway, Suite 200 San Ramon CA 94583180 workersJul 1, 2026Sep 1, 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 .