US WARN intelligence

California layoffs & WARN notices

California has 17,586 non-cancelled imported WARN notices reporting 1,452,638 workers affected. 217 notices have future effective dates. These totals cover imported records only.

What the official notice history shows

During the last 365 days, this imported archive contains 1,497 eligible official filings for California, reporting 74,240 affected workers. 0 worker counts are unavailable. The newest official notice date is Oct 6, 2026.

17521 non-cancelled direct government records and 63 attributed secondary records appear in the full archive. Recent official event types: layoff, closure, temporary, unspecified. These figures describe notices, not unique people or completed layoffs. Grouped company names do not establish ownership.

Compare original weekly and monthly official-data reports → · How dates, names and counts are interpreted

17,586Non-cancelled notices
1,452,638Reported workers
217Future effective dates
Coverage is limited to connected sources and imported date ranges. 2 notices have unavailable worker counts. Company groups match normalized names; aliases below preserve exact employer names from filings. Methodology →

Notice history by year

20261,152 notices · 58,577 reported workers
20251,591 notices · 94,948 reported workers
20241,595 notices · 86,470 reported workers
20231,749 notices · 95,154 reported workers
2022874 notices · 57,251 reported workers
2021643 notices · 49,772 reported workers
20206,111 notices · 660,835 reported workers
2019729 notices · 60,943 reported workers
2018704 notices · 68,683 reported workers
2017671 notices · 57,317 reported workers
2016679 notices · 63,026 reported workers
2015748 notices · 69,420 reported workers
2014339 notices · 30,237 reported workers
20081 notices · 5 reported workers

Filings and attributed reports

Company / locationWorkersEffective dateNotice dateType / source
Associated Third Party AdministratorsAlameda, CA192Nov 15, 2016Oct 18, 2016closureSource ↗
Associated Third Party AdministratorsSan Francisco, CA2Nov 15, 2016Oct 18, 2016closureSource ↗
ShireLos Angeles, CA360Jan 13, 2017Oct 17, 2016layoffSource ↗
Channel Technologies GroupSanta Barbara, CA198Dec 20, 2016Oct 17, 2016closureSource ↗
Brake PartsChowchilla, CA1Dec 13, 2016Oct 14, 2016closureSource ↗
BoeingEl Segundo, CA33Dec 16, 2016Oct 14, 2016layoffSource ↗
Ralphs GroceryLos Angeles, CA87Jan 3, 2017Oct 14, 2016closureSource ↗
BoeingHuntington Beach, CA13Dec 16, 2016Oct 14, 2016layoffSource ↗
Bert-Co IndustriesOntario, CA106Dec 25, 2016Oct 14, 2016layoffSource ↗
GKN Aerospace Chem-tronics, Inc. DBASanta Ana, CA95Dec 12, 2016Oct 13, 2016layoffSource ↗
Thermo Fisher ScientificSan Diego, CA44Sep 30, 2017Oct 13, 2016closureSource ↗
Thermo Fisher ScientificSanta Clara, CA38Mar 31, 2017Oct 13, 2016layoffSource ↗
Thermo Fisher ScientificHercules, CA2Dec 30, 2016Oct 13, 2016closureSource ↗
Stone BrewingEscondido, CA51Dec 12, 2016Oct 13, 2016layoffSource ↗
Sierra Food GroupFresno, CA46Dec 9, 2016Oct 10, 2016layoffSource ↗
Red Lion Hotel Woodlake CenterSacramento, CA120Dec 12, 2016Oct 10, 2016closureSource ↗
Savant SystemsSan Francisco, CA18Dec 6, 2016Oct 7, 2016closureSource ↗
TheranosNewark, CA72Dec 5, 2016Oct 6, 2016layoffSource ↗
TheranosPalo Alto, CA62Dec 5, 2016Oct 6, 2016layoffSource ↗
TreeHouse Private BrandsAzusa, CA647Dec 5, 2016Oct 5, 2016closureSource ↗
Benchmark ElectronicsAnaheim, CA89Mar 31, 2017Oct 3, 2016closureSource ↗
First TransitAnaheim, CA319Nov 30, 2016Oct 1, 2016closureSource ↗
BoeingEl Segundo, CA3Dec 2, 2016Sep 30, 2016temporarySource ↗
ITTValencia, CA2Dec 1, 2016Sep 30, 2016closureSource ↗
NPL ConstructionUnion City, CA106Dec 3, 2016Sep 30, 2016closureSource ↗

17,596 notices · Source check Oct 10, 2026