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Wash. Admin. Code 296-400A-011 - How does a plumbing
(1) A plumbing contractor may license/renew/relicense/rein-state if it: (a) Completes an application for plumbing contractor licensing, have it docHubd, and
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Licensed Plumbing Contractor - LI
As of July 2021, you must be licensed as a Plumbing Contractor with LI to advertise, offer to do work, submit a bid, or perform plumbing work.
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Oatey Commercial
The Moda Supply Box System is designed to meet the needs of plumbing contractors for washing machine, ice maker, lavatory, toilet, dishwasher and Sure-Vent
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