Plumbers

The Washington State Department of Labor & Industries' (L&I) web site does not properly display because JavaScript is disabled or not supported by your browser.The following links may help you navigate the L&I web site:

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Plumbers

Related L&I Topics

>	Look up a contractor, electrician or plumber
>	Report uncertified plumbers or unregistered contractors
>	Plumber Rules, Policy & Law
>	Quarterly Update newsletter

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.

The Washington State Department of Labor and Industries' (L&I) Web site does not properly display because JavaScript is disabled or not supported in your browser.The following links may help you navigate the L&I Web site:

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