San Mateo County, California
61 workers · Closure · filed Jan 20, 2026
A WARN notice is filed with the state before a plant closing or a mass layoff, under the federal WARN Act or a state law like it. Workers is the number the employer said would be affected; plans can change after filing. Data sources
- Company
- Resonetics, LLC
- Workers
- 61 workers
- Kind
- Closure
- Notice date
- Jan 20, 2026
- Effective date
- Apr 21, 2026
- Location
- San Mateo County
- State
- California
- Notice
- ca-504f6fe459ea108c
As published
- notice_date
- 01/20/2026
- effective_date
- 04/21/2026
- received_date
- 01/20/2026
- company
- Resonetics, LLC
- num_employees
- 61
- layoff_or_closure
- Closure Permanent
- county
- San Mateo County
From the California Employment Development Department's WARN list, row 1,171, read Oct 3, 2026; first seen here Oct 3, 2026. Read with Big Local News's warn-scraper and warn-transformer.