John Muir Health has filed 5 WARN notices in California, affecting 25 workers total. All filings were classified as layoffs rather than closures. The average recorded date gap for measurable John Muir Health filings is 62 days; this does not establish notice received or legal compliance. Contra Costa accounts for 100% of affected workers.
The current year is incomplete; these totals are not a like-for-like growth comparison.
| Location | State | Type | Workers | Effective | Recorded |
|---|---|---|---|---|---|
| Contra Costa 1450 Treat Boulevard Walnut Creek CA 94597 |
CA | Layoff | 4 | 2026-10-28 Recorded: 2026-08-27 |
2026-08-27 |
| Contra Costa 1601 Ygnacio Valley Road Walnut Creek CA 94597 |
CA | Layoff | 15 | 2026-10-28 Recorded: 2026-08-27 |
2026-08-27 |
| Contra Costa 2540 East Street Concord CA 94520 |
CA | Layoff | 3 | 2026-10-28 Recorded: 2026-08-27 |
2026-08-27 |
| Contra Costa 2740 Grant Street Concord CA 94520 |
CA | Layoff | 2 | 2026-10-28 Recorded: 2026-08-27 |
2026-08-27 |
| Contra Costa 3480 Buskirk Avenue Pleasant Hill CA 94523 |
CA | Layoff | 1 | 2026-10-28 Recorded: 2026-08-27 |
2026-08-27 |
John Muir Health has an upcoming layoff effective Oct 28, 2026. If you are affected, you remain employed with regular pay and benefits until the effective date. Use this time to prepare: file for unemployment insurance so your claim is ready when your last day arrives, review your COBRA health coverage options, and visit your local America's Job Center for free career counseling and retraining vouchers. Ask about Rapid Response services, which are specifically designed for WARN-affected workers.
Apply online at your state workforce agency. You may be eligible before your last day.
Continue your employer health plan for up to 18 months, or compare lower-cost options on the Health Insurance Marketplace.
Federal WARN generally requires 60 days notice for covered employers and qualifying events, subject to exceptions. State rules may differ.
Free career counseling, resume help, job search assistance, and retraining programs through CareerOneStop.
JobCopilot scans company career pages and handles the repetitive application process, based on filters you set.
America's Job Centers offer free career counseling, resume help, interview prep, job search assistance, and retraining vouchers for workers affected by WARN Act layoffs. Ask about Rapid Response services.
Data on this site comes from WARN Act filings published by state workforce agencies. Where a state does not publish a usable list, filings come from a third-party compilation and are marked on each row. Filings are updated regularly but may not reflect same-day submissions. Coverage varies by state.
Across 5 filings with usable paired dates, the median recorded gap is 62 days. This is date arithmetic, not a finding about notice received by workers or legal compliance. Source definitions, coverage and exceptions matter.
Severance is negotiable more often than people assume, and the leverage is largest before a notice lands. Financial Samurai's How To Engineer Your Layoff walks through how those conversations actually go, with real severance examples.
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