Contra Costa County, California
3 workers · Closure · filed Feb 18, 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
- Corteva Agriscience LLC
- Workers
- 3 workers
- Kind
- Closure
- Notice date
- Feb 18, 2026
- Effective date
- Apr 24, 2026
- Location
- Contra Costa County
- State
- California
- Notice
- ca-5c15420b5f665eca
As published
- notice_date
- 02/18/2026
- effective_date
- 04/24/2026
- received_date
- 02/18/2026
- company
- Corteva Agriscience LLC
- num_employees
- 3
- layoff_or_closure
- Closure Permanent
- county
- Contra Costa County
From the California Employment Development Department's WARN list, row 1,323, read Oct 3, 2026; first seen here Oct 3, 2026. Read with Big Local News's warn-scraper and warn-transformer.