Contact Us
California
Contact Us
California
Headquarters
3000 Clayton Rd.
Concord, CA 94519
Phone
(510) 748-7400
Business Hours
Mon – Fri 8am – 5pm
Headquarters
3000 Clayton Rd.
Concord, CA 94519
Phone
(510) 748-7400
Business Hours
Mon – Fri 8am – 5pm
Other Offices
District 1 - Burlingame
PHONE
(650) 652-7969
Back up: (510) 748-8360
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
828 Mahler Road, Suite B
Burlingame, CA 94010
District 4 – Fairfield
PHONE
(707) 429-5008
Back up: (510) 748-8361
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
2540 North Watney Way
Fairfield CA 94533
District 10 - Rohnert Park
PHONE
(707) 585-2487
Back up: (510) 748-8362
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
6225 State Farm Drive, Suite 100
Rohnert Park CA 94928
District 20 – Concord
PHONE
(510) 748-7446
BUSINESS HOURS
Mon – Fri 8am – 5pm
MAILING ADDRESS
3000 Clayton Rd.
Concord, CA 94519
District 30 – Stockton
PHONE
(209) 943-2332
Back up: (510) 748-8368
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
1916 North Broadway
Stockton CA 95205
District 40 - Eureka
PHONE
(707) 443-7328
Back up: (510) 748-8369
BUSINESS HOURS
Mon – Fri 9am – 5pm
MAILING ADDRESS
1330 Bayshore Way, Suite #103
Eureka, CA 95501
District 50 – Clovis
PHONE
(559) 229-4083
Back Up: (510) 748-8370
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
1635 Shaw Ave.,
Clovis, CA 93611
District 60 - Yuba City
PHONE
(530) 743-7321
Back Up: (510) 748-8371
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
468 Century Park Drive
Yuba City, CA 95991
District 70 – Redding
PHONE
(530) 222-6093
Back Up: (510) 748-8372
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
20308 Engineers Lane
Redding, CA 96002
District 80 – Sacramento
PHONE
(916) 993-2055
Back Up: (510) 748-8373
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
3920 Lennane Dr.
Sacramento, CA 95834
District 90 - Morgan Hill
PHONE
(408) 465-8260
Back Up: (510) 748-8374
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
325 Digital Drive
Morgan Hill, CA 95037-2878
Public Employees
PHONE
(510) 748-7438
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
3000 Clayton Rd.
Concord, CA 94519
Unit 12
PHONE
(916) 993-2058
BUSINESS HOURS
Mon – Fri 7am – 5pm
MAILING ADDRESS
3920 Lennane Dr.
Sacramento, CA 95834
Your Future Starts Here
We provide real hands-on training and great career opportunities as a skilled trades person.
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APPRENTICESHIP APPLICATION INFORMATION FOR OAHU RESIDENTS
Application Period: July 6 – 17, 2026
The application period for our apprenticeship program will be open exclusively to Oahu residents from July 6 – 17, 2026. Please note that applications will not be accepted prior to these dates.
We encourage you to review this information carefully and ensure all required documents are prepared in advance.
Eligibility Requirements:
Please refer to the “Requirements” tab to ensure you meet the eligibility criteria.
Required Documentation:
- A valid Hawaii Driver’s License with an Oahu address
- Completed high school transcripts (with graduation information), or GED/C-Based test transcripts confirming successful completion with your score. Diplomas will not be accepted.
For Big Island and Maui County residents, we will be accepting applications in 2027.
This tab will be updated when dates are set and when we start accepting applications.
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Retirement
(800) 532-2105
(800) 251-5014