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The categories below list the required experience for each plumber certification level in Washington. All other out-of-state plumbers can present a comparable license from another state or show equivalent experience in the U.S.

Washington has reciprocal certification with Idaho for journey level plumbers. This course will prepare students for the Plumbing C-36 portion of the exam and is based on the California Contractors State License Board (CSLB) and the cited resources and provides a breakdown of each of the exam topics, followed by hundreds of practice questions. To become a certified journey level or specialty plumber in Washington, you must typically begin as a plumber trainee. Medical gas and medical vacuum systems.Įxcept for domestic pump and pump and irrigation systems, certification is not required to install plumbing systems outside of a building (e.g., water lines connected directly to municipal water mains, sewer line connections, etc.).Accessories (appurtenances) within the property lines of the premises.Potable water building supply and distribution pipes.You must be certified by the Washington State Plumber Certification Program to work in the plumbing trade in Washington.

Michigan plumber installer license prep class instal the new version for iphone