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Contra Costa County WARN Layoff Notices

98 WARN filings on record affecting 5,165 workers in Contra Costa County, California.

Sourced from California EDD public WARN records. Updated 2026-08-13.

What is on record

Every mass layoff, closure, or relocation notice filed with the California Employment Development Department for Contra Costa County, as published by the state. Kcalbin resolves employer names that the state files under multiple site or building labels, so one employer counts once.

Filings on record

98

Distinct WARN notices

Workers affected

5,165

Sum of reported headcounts

Employers

55

After name resolution

Coverage. California filings run from April 2023 to the present and are rebuilt from the CA EDD fiscal-year archives plus the live rolling report, refreshed hourly. 2023 is a partial year (records begin 25 April 2023). See methodology.

Labor market context

WARN filings say what an employer has announced. They do not say what the surrounding labor market can absorb. Contra Costa County's own unemployment figures, from the BLS Local Area Unemployment Statistics series, are shown alongside for that reason.

Unemployment rate

4.0%

BLS LAUS, 2026-05

Labor force

571,790

Civilian labour force, same period

Range, last 12 months

4.0%–5.2%

Monthly low to high

Most-affected employers in Contra Costa County

Ranked by number of separate notices filed. Site-level variants of the same employer are combined.

EmployerFilingsWorkers
Corteva Agriscience LLC18153
Kaiser Foundation Hospitals911
AT&T7163
Chevron5879
Wells Fargo311
EBALDC23
Heritage Bank of Commerce28
Southwest Key Programs, Inc250
Elijah House Foundation273
Rodan & Fields, LLC2154
Moxion Power, Inc2345
Off Duty Officers, Inc15
First Transit, Inc1194
Vine Hospitality151
Sangamo Therapeutics, Inc147

Filings by year

YearFilings
202311
202431
202536
202620

Recent filings

Most recent first, by effective layoff date.

CompanyWorkersLayoff dateNotice date
EBALDC12026-10-102026-08-11
EBALDC22026-10-102026-08-11
Chevron1802026-09-012026-07-01
Corteva Agriscience LLC12026-08-282026-06-23
Off Duty Officers, Inc52026-07-302026-06-02
Corteva Agriscience LLC22026-07-032026-04-21
First Transit, Inc1942026-06-302026-04-27
Vine Hospitality512026-06-232026-06-21
Sangamo Therapeutics, Inc472026-06-222026-06-22
Corteva Agriscience LLC32026-06-052026-03-17
Sentinel Transportation, LLC72026-05-312026-03-30
Raley's432026-04-282026-02-20
Corteva Agriscience LLC32026-04-242026-02-18
Heritage Bank of Commerce42026-04-172026-02-27
Heritage Bank of Commerce42026-04-172026-02-27
Corteva Agriscience LLC42026-02-272025-11-18
Corteva Agriscience LLC12026-02-272026-01-22
Henkel Corporation132026-01-302025-11-20
Verizon542026-01-232025-11-20
Corteva Agriscience LLC32026-01-022025-10-21
Web To Door Corporation672025-10-272025-08-26
Corteva Agriscience LLC102025-10-242025-08-19
Chevron682025-10-232025-08-22
Southwest Key Programs, Inc32025-10-052025-08-06
Corteva Agriscience LLC42025-09-262025-07-15
Kaiser Foundation Hospitals12025-09-172025-10-06
Kaiser Foundation Hospitals-Antioch12025-09-082025-09-08
Kaiser Foundation Hospitals12025-09-082025-09-08
Corteva Agriscience LLC112025-08-012025-06-10
Southwest Key Programs, Inc472025-07-312025-07-31
Corteva Agriscience LLC12025-07-042025-03-14
1401 Unitek Learning Education Group Corp42025-07-032025-04-30
Chevron132025-07-012025-05-02
Chevron182025-07-012025-05-02
Elijah House Foundation312025-06-302025-04-29
Chevron6002025-06-012025-03-28
Southeast Service Corporation132025-05-312025-03-20
Central Garden & Pet52025-05-312025-03-03
Corteva Agriscience LLC262025-05-302025-02-25
Wells Fargo12025-05-272025-05-27
Wells Fargo62025-05-132025-05-13
Wells Fargo42025-05-132025-05-13
Kaiser Foundation Hospitals12025-05-122025-05-12
Kaiser Foundation Hospitals12025-05-122025-05-12
Kaiser Foundation Hospitals12025-05-122025-05-12
Kaiser Foundation Hospitals32025-04-252025-02-24
Bio-Rad Laboratories, Inc1142025-04-112025-02-10
Safeway692025-04-042025-02-04
Corteva Agriscience LLC202025-03-282025-01-29
Corteva Agriscience LLC32025-03-282024-12-10
AT&T82025-03-242025-01-23
Advance Stores Company, Incorporated and its subsidiary92025-03-052024-11-14
AT&T152025-01-312024-12-02
AT&T562025-01-212024-11-22
Corteva Agriscience LLC182025-01-032024-09-26
Hunt & Sons LLC82025-01-012024-10-29
Shell Catalyst & Technologies592024-12-312024-10-16
TVI, Inc522024-12-142024-12-06
Kaiser Foundation Hospitals12024-12-062024-10-07
Kaiser Foundation Hospitals12024-11-222024-09-23
AT&T202024-10-252024-08-26
MoreFlavor, Inc512024-10-202024-07-19
Silgan Containers442024-10-142024-08-13
Corteva Agriscience LLC62024-09-272024-06-25
SunPower Corporation1822024-09-242024-07-26
AT&T82024-09-242024-07-26
Rodan & Fields, LLC782024-09-132024-07-15
Kohana Coffee Company512024-08-302024-06-28
AT&T192024-08-242024-06-25
AT&T372024-08-242024-06-25
Five9, Inc302024-08-202024-08-20
Moxion Power, Inc1012024-08-202024-06-21
Fresenius USA, Inc3092024-08-162024-05-16
Moxion Power, Inc2442024-08-052024-07-19
Texas de Brazil Corporation302024-07-142024-05-15
Elijah House Foundation422024-06-302024-04-29
SDH Services West, LLC612024-06-302024-04-23
SAP America, Inc422024-06-172024-04-12
Aura Management Co1222024-06-102024-04-18
Williams-Sonoma Direct, Inc362024-06-042024-04-03
99 Cents Only Stores LLC902024-06-032024-04-04
Corteva Agriscience LLC62024-04-262024-02-05
Pac-12 Conference462024-03-152023-11-16
Peloton Interactive Inc62024-02-012023-09-21
Sunrun Inc262024-01-132023-11-14
Pac-12 Enterprises, LLC1412024-01-052023-11-03
Kaiser Foundation Hospitals12024-01-042023-11-06
Target Corporation1062023-12-302023-09-26
John Muir Health1642023-12-292023-10-24
BMO Bank N.A. successor in interest to Bank of the West2002023-12-082023-09-19
USS-UPI, LLC4742023-12-012023-09-29
Corteva Agriscience LLC312023-10-272023-07-17
Rodan & Fields, LLC762023-10-142023-08-15
Carbon Health62023-10-092023-08-10
REACH Medical Holdings102023-09-302023-07-29
Alstom Mass Transit Corp412023-09-282023-07-27
Bank of the West2032023-09-152023-07-10
David's Bridal, LLC292023-09-022023-04-25

Other California counties

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