Plumber & Pipefitter Apprenticeship in Washington

Plumber & Pipefitters in Washington earn a median of $79,070/yr — 65% above the national all-occupation median of $48,060. That puts this apprenticeship path well into upper-middle-income territory for the state.

The 26% wage premium over the national Plumber & Pipefitter median ($62,970) makes Washington one of the stronger markets for this apprenticeship path.

Looking ahead to 2034, Plumber & Pipefitter employment should expand by 4.5%. That translates to roughly 44,000 openings annually when you factor in retirements — enough to absorb most apprenticeship completers.

Washington employs 12,210 Plumber & Pipefitters, accounting for 2.5% of the national workforce — a mid-sized market with enough employer density to support active apprenticeship placement.

A Plumber & Pipefitter apprenticeship runs 4 years at 8,000 hours. The time-based structure means you're logging real work alongside experienced tradespeople from week one, learning mechanical systems, refrigerant handling, and equipment diagnostics in evening or weekend classes.

Washington has 434 organizations running registered apprenticeship programs. Start with your local trade union or check apprenticeship.gov — the state's mid-range sponsor count means programs exist but may not be around every corner.

Wages for Plumber & Pipefitters in Washington range from $47,570 at the entry level to $139,280 for veterans — a $91,710 spread that maps directly to experience, certifications, and willingness to take on complex jobs.