Layoffs in Walnut, California

410 workers affected across 7 official WARN filings in Walnut. 5 of those jobs have not gone yet — already filed, not yet effective.

410
workers affected
7
filings
5
scheduled ahead
Sep 29, 2026
latest filing

Employers cutting jobs in Walnut

1Unical Aviation dba Unical 145, Inc.1412Quest Nutrition, LLC1223Proterra Operating Company, Inc.874Cerebral, Inc.315Santa Fe Distributing, LLC216Constellis, LLC (21695 Valley Blvd.)57Alright Media LLC3

Every filing in Walnut

11d ago
Walnut, CA · Other
Effective Oct 31, 2026 · source: official filing
5
affected
3y ago
Walnut, CA · Other
Effective Apr 30, 2023 · source: official filing
31
affected
3y ago
Walnut, CA · Other
Effective Mar 31, 2023 · source: official filing
87
affected
6y ago
Walnut, CA · Media
Effective Mar 19, 2020 · source: official filing
3
affected
6y ago
Walnut, CA · Aerospace · Skilled Trades / Engineering
Effective Mar 24, 2020 · source: official filing
141
affected
9y ago
Walnut, CA · Other
Effective Oct 26, 2017 · source: official filing
122
affected
11y ago
Walnut, CA · Logistics · Warehouse Ops / Drivers
Effective · · source: official filing
21
affected

Other places in California

Los Angeles 1141San Francisco 1043San Diego 989San Jose 505Santa Clara 312Irvine 308Sacramento 286Sunnyvale 248Long Beach 214Oakland 201El Segundo 194Mountain View 194

Questions

How many people have been laid off in Walnut?

Official WARN Act filings record 410 affected workers across 7 filings in Walnut, California. This counts only layoffs large enough to require a WARN notice, so the true total is higher.

Which employers are cutting jobs in Walnut?

The largest by jobs cut are Unical Aviation dba Unical 145, Inc. (141), Quest Nutrition, LLC (122), Proterra Operating Company, Inc. (87). The full list is on this page.

Are more layoffs coming in Walnut?

Yes — 5 jobs across 1 filing are already scheduled but have not taken effect yet. WARN notices are filed about 60 days ahead, so these are on the public record before they happen.

Watching Walnut?

Free alert the moment a new layoff is filed here.