Plumbers

Plumbing Rule Changes

The Washington Administrative Code (WAC) and the Revised Code of Washington (RCW) are maintained and updated by the State Office of the Code Reviser (slc.leg.wa.gov).

If you receive an error message when referencing a link to a specific section of a WAC or RCW, try your search at the Washington State Legislative Search page (search.leg.wa.gov).

Plumber Certification Law - RCW 18.106 (app.leg.wa.gov)

Plumber Certification Rules – WAC 296-400A (app.leg.wa.gov)

 

For comments, email Plumbers@lni.wa.gov.

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