Union apprenticeships in California

Browse current openings, compare trades and pay, and go straight to the union or local site.

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Union: UAClear filters

Showing 27 apprenticeships

Plumber/Pipefitter · UA Local 393

UA Local 393 · San Jose, CA

Checked Mar 18, 2026

5-year programIn person

Starts at $30/hr

PTTC; Plumbing/Steamfitting/HVACR; 18+ HS diploma/GED; entrance exam 75%

Apply

Plumber/Pipefitter · UA Local 142

UA Local 142 · Los Angeles, CA

Checked Mar 18, 2026

5-year programIn person

Starts at $17/hr

Sealed transcripts; DD-214 for veterans

Apply

Plumber/Pipefitter · UA Local 246 Apprenticeship

UA Local 246 · Fresno, CA

Checked Mar 19, 2026

5-year programIn person

Next start Jan 13

UA Local 246 offers earn-as-you-learn programs for Plumber, Pipefitter/Steamfitter, Pipe Welding, HVACR Service Technician, and Sprinkler Fitter trades.

Apply

Trades

Carpenter34
Plumber/Pipefitter25
Electrician25
Construction14
Laborer4
Sheet Metal3
Operating Engineers3
HVAC/R2
Elevator1
Masonry1
Lineman1

Unions

UBC34
UA27
IBEW26
LIUNA18
SMART3
IUOE3
IUEC1
BAC1

Cities

Los Angeles10
San Jose5
San Diego5
Fresno5
Sacramento5
San Francisco4
Bakersfield4
Martinez4
Riverside4
Whittier3
Modesto3
Hayward3
Ventura3
Oakland3
Vacaville2