How to Get Started in California
CTWI offers multiple programs throughout the Bay Area to start your pathway into a union construction career.
Pre-Apprenticeship Programs Open to Adults
Union Pre-Apprenticeships
Local Organizations
Test Prep Programs Open to All
To sign up for the classes in any of CTWI’s locations, use the link following each class
Benicia
Online Class, Monday/Wednesday/Thursday 6-8PM
Call 707-751-2337
Livermore
Located at Livermore Adult Education, Classroom 7, Tuesday/Thursday 5-7:30PM
Register using link below or call 510-560-6329
Martinez
Located at Martinez Adult Education, Tuesday/Thursday 6-8PM
Call 925-335-5890
Oakland
Located at Laney College, Room G-206, Tuesday/Wednesday 6:30-8:30PM
Use link below or Call 510-560-6329
Richmond
Located at West Contra Costa Adult Education, Saturdays 9AM-2:30PM, Tuesdays 6PM-8PM
Register using link below or call 510-231-1453
Vallejo
Located at Vallejo Adult School, Monday/Wednesday 6-9:15PM
Call 707-556-8850
Pre-Apprenticeship Programs in High Schools
Jails and Juvenile Detention Centers
Apprenticeship Openings
Plumbers & Pipefitters UA 393
Representing Santa Clara and San Benito Counties
Applications Ongoing
Electrical Workers IBEW 302
Representing Contra Costa County
Applications accepted January 6, January 13, and January 20, 2026
Sheet Metal Workers SMART 104
Accepting Ongoing Applications Online
Technical Engineers OE 3
Surveyors and Inspectors Accepting Ongoing Applications Online
Electrical Workers IBEW 332
Representing Santa Clara County Applications Open First Few Days of each Month
Applications Resume March 2026
Sounds & Communications (IBEW)
Various Locations Applications Ongoing
BAC Local 3 Apprenticeship
Applications ongoing
Roofing & Waterproofing Local 81
Applications Ongoing
Finishing Trades District Council 16
Applications Ongoing
Northern California Laborers
Applications Ongoing
Boilermakers Local 549
Applications Ongoing
Northern California Cement Masons
Applications Ongoing
Ironworkers Local 378
Applications Ongoing
Heat & Frost Insulators 16
Applications open Jan 12, Apr 13, July 13, and Oct 12 (the second Monday of the beginning of each quarter)
Sprinkler Fitters UA 483
Representing Bay Area
Applications Open Year Round, Apply by April 30 to test in May or June 2026
Elevator Constructors IUEC 8
Representing Northern California and Northern Nevada
Applications open April 1, 2025 at 9:00AM
Plumbers & Steamfitters UA 38
Representing San Francisco
Applications Open June 2027
Plumbers & Steamfitters UA 159
Representing Contra Costa County
Applications open March 30-April 6, 2026
Electrical Workers IBEW 617
Representing San Mateo County
Apply in 2026 from June 15-19, June 22-26, June 29-30
Plumbers & Steamfitters UA 467
Representing San Mateo County
Applications open Jan 14, Apr 15, Jul 15 and Oct 14, 2026, from 9-12 in person
Electrical Workers IBEW 595
Representing Alameda County
Applications open February 23, 2026 – March 6, 2026, August 3, 2026 – August 14, 2026
Electrical Workers IBEW 180
Representing Napa & Solano Counties
Applications open Dec 8-12, 2025 and Jan 6-9, 2026
Plumbers & Steamfitters UA 342
Representing Contra Costa & Alameda Counties
Applications open throughout month of May 2026
Stationary Engineers IUOE 39
Applications open 2026, specific dates to be announced March 1st
Northern California Tile Industry BAC 3
Applications ongoing