Contra Costa County, California
4 workers · Layoff · filed Nov 18, 2025
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
- 4 workers
- Kind
- Layoff
- Notice date
- Nov 18, 2025
- Effective date
- Feb 27, 2026
- Location
- Contra Costa County
- State
- California
- Notice
- ca-1d9af0af041baf93
As published
- notice_date
- 11/18/2025
- effective_date
- 02/27/2026
- received_date
- 11/18/2025
- company
- Corteva Agriscience LLC
- num_employees
- 4
- layoff_or_closure
- Layoff Permanent
- county
- Contra Costa County
From the California Employment Development Department's WARN list, row 1,070, read Oct 3, 2026; first seen here Oct 3, 2026. Read with Big Local News's warn-scraper and warn-transformer.