WARN Layoff Data

4,191 WARN filings on record. California rebuilt to April 2023, employer names resolved, county unemployment attached.

Free and public. Refreshed hourly. Updated 2026-08-13.

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California

3,997 filings across 44 counties, browsable by county, year, and employer.

California WARN data

By employer

316 employers with three or more notices, resolved across site-level name variants.

Recent filings

The latest notices across both states, by effective layoff date.

Most-affected counties

Los Angeles County — 849 filings
Santa Clara County — 448 filings
San Diego County — 379 filings
Orange County — 285 filings
Alameda County — 261 filings
San Francisco County — 214 filings
San Bernardino County — 183 filings
San Mateo County — 155 filings
Riverside County — 142 filings
Sacramento County — 135 filings
Contra Costa County — 98 filings
Fresno County — 86 filings

Employers with the most notices

Kaiser Foundation Hospitals — 148 notices
Amazon — 104 notices
Google — 58 notices
Blue Shield of California — 57 notices
Intel Corporation — 50 notices
Fresno Economic Opportunities Commission — 40 notices
Primo Brands, Inc — 33 notices
Southern PacPizza — 25 notices
Qualcomm Incorporated — 24 notices
Advance Stores Company, Incorporated and its subsidiary — 24 notices
Walmart — 23 notices
University of Southern California — 23 notices

Also here

Cal-WARN SB 617 — what changed on 1 January 2026, and the notices filed since
For employment counsel — what this data answers that a state download does not
New York — held, narrower, limits stated
Methodology and known gaps