Best Plumbing Apprenticeship Resources in California
Plumbing and pipefitting offer some of the strongest apprenticeships in the trades. These are the best resources to find a paid one.
Last updated 2026-06-27
How we chose
We prioritized official and union-backed mechanical-trade apprenticeships that are free and paid, weighting trust and apprenticeship value with monetization at zero.
Showing options that serve California — local California programs are ranked first, followed by national resources available statewide.
United Association (UA)
Union training · National
The union for plumbers, pipefitters, sprinkler fitters, and HVAC-R service techs — gateway to paid five-year UA apprenticeships.
Best for: Aspiring plumbers, pipefitters, and HVAC techs who want a paid union apprenticeship
Apprenticeship.gov
Government resource · National
The U.S. Department of Labor's official apprenticeship finder — search Registered Apprenticeship programs by trade and location and connect to local sponsors.
Best for: Anyone who wants a paid apprenticeship and a recognized credential without student debt
Apprenticeship.gov Partner Finder
Government resource · National
A free U.S. Department of Labor tool for finding registered apprenticeship partners — sponsors, educators, and intermediaries.
Best for: Finding official registered apprenticeship partners and program contacts
Helmets to Hardhats
Nonprofit · National
A nonprofit that connects military veterans and transitioning service members to registered apprenticeships and careers in the building trades.
Best for: Veterans and transitioning service members entering the union building trades
North America's Building Trades Unions (NABTU)
Union training · National
The umbrella organization for North American construction unions — a gateway to registered union apprenticeships and the MC3 pre-apprenticeship curriculum.
Best for: Anyone seeking a paid union apprenticeship pathway
Frequently asked questions
How long is a plumbing apprenticeship?▾
Most are about five years of combined paid on-the-job training and classroom instruction, leading to journeyman status.
Who runs plumbing apprenticeships?▾
The United Association (UA) runs the leading union pathway; Apprenticeship.gov lists union and non-union registered programs nationwide.