Avista Corporation
Avista Corporation · non-joint · Spokane
Plumber · Washington
Plumber apprenticeships in Washington
Programs with published schedules
Puget Sound Naval Shipyard
Puget Sound Naval Shipyard · Kitsap
NAVFAC Northwest Kitsap-Bangor
NAVFAC Northwest Kitsap-Bangor · Kitsap
Yakama Power
Yakama Power · non-joint · Yakima
Union JATCs
UA Local 32 JATC
Seattle Area Pipe Trades JATC (UA Local 32) · Seattle
Application window
Check with local
Live-check 2026-04-25: seattlepipetrades.org homepage features 'Interested in being an apprentice?' and links to a /how-to-apply page plus an 'Open Houses' events section, but no specific intake dates or deadlines are visible on the homepage itself. Contact (425) 271-5900 / info@seattlepipetrades.org or check /how-to-apply directly.
Application windows open and close on each sponsor's schedule. Contact the sponsor directly to verify program details and apprenticeship-window timing before applying — eligibility and intake calendars vary by program and year.