Union apprenticeships in California

Compare pay, union details, and whether programs are accepting applications before you apply.

Current filters

State: CaliforniaUnion: PlumbersClear 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

Carpenter32
Plumber/Pipefitter25
Electrician25
Construction13
Laborer4
Sheet Metal3
Operating Engineers3
HVAC/R2
Elevator1
Masonry1
Lineman1

States

California110

Unions

UBC32
UA27
IBEW26
LIUNA17
SMART3
IUOE3
IUEC1
BAC1