Journey Level Plumbers & Plumbing Contractors in Washington
Washington’s Journey Level plumber and Plumbing Contractor classes — L&I credentials a homeowner can verify on the official board.
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About this Washington page
Washington licenses Journey Level plumbers and Plumbing Contractors through L&I. Those L&I classes are the plumbing credentials BestMasterPlumber.com features for Washington — a named Journey Level plumber and/or an Active Plumbing Contractor shop on an official card a homeowner can open and check. Up to 5 verified plumbing experts in Washington.
Ben Foster — Washington Journey Level Plumber FOSTEBT994DR; Ben’s Plumbing, Seattle (Plumbing Contractor BENSPP*762OR); 4.9 from 450 Google reviews (Maps, 2026-09-08).
First featured in Washington
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