Plumbers

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Related L&I Topics

>	Look up a contractor, electrician, plumber or elevator professional
>	Report uncertified plumbers or unregistered contractors
>	Plumber Rules, Policy & Law
>	Continuing education classes for plumbers (504 KB PDF)

Other Web Sites

>	Department of Health - Division of Drinking Water (Backflow Assembly Testing)
>	Idaho Division of Building Safety
>	Montana Department of Labor and Industry
>	Oregon Building Codes Division
>	Learn About Doing Business in Washington

About the Plumber Certification Program
Information about the Plumber Certification program.

Training & Continuing Education
View test dates and locations and find out about continuing education requirements.

Certification
Find out how to get or renew your plumber or plumber trainee certificate, or your medical gas endorsement and pay the related fee ONLINE.

Plumber Forms & Publications
Get electronic forms and publications for plumber certificates and renewals.