--- title: "Journey Level Plumber (PL01) certificate License…" canonical: https://highpayingtrades.com/trades/pipefitter/washington/licensing/ description: "Washington Journey Level Plumber (PL01) certificate: 8,000 supervised hours, application fee $202.10, license fee $242.70. From the Washington State…" updated: 2026-11-04 wage_source: "BLS OEWS May 2025 estimates, released 2026-05-15" --- 1. [Home](https://highpayingtrades.com/) 2. [Trades](https://highpayingtrades.com/trades/) 3. [Pipefitter & Steamfitter](https://highpayingtrades.com/trades/pipefitter/) 4. [Washington](https://highpayingtrades.com/trades/pipefitter/washington/) 5. Licensing Washington # Pipefitter & Steamfitter license in *Washington* What it takes to hold a Journey Level Plumber (PL01) certificate in Washington, from the Washington State Department of Labor & Industries. - **8,000** Supervised work hours - **$202.10** Application fee - **8** Registered apprenticeship sponsors - **$81,030** Median pay in Washington Trade Elevator MechanicLineworkerIndustrial Automation TechnicianCrane OperatorOperating EngineerPipefitter & SteamfitterPlumberRefinery & Process OperatorAircraft MechanicElectrical & Electronic Engineering TechnicianIndustrial Electronics TechnicianElectricianHVAC/R TechnicianDiesel MechanicWelderIronworkerMillwrightConstruction InspectorZIP code Requirements ## Journey Level Plumber (PL01) certificate requirements | | | | --- | --- | | Supervised work hours | 8,000 | | Exam | Journey level plumber exam (PSI) | | Application fee | $202.10 | | License fee | $242.70 | Journey Level Plumber (PL01) certificate · Washington State Department of Labor & Industries. Blank items are not published by the board, so we leave them out. ### The steps 1. Log 8,000 hours of supervised work. 2. Apply to the Washington State Department of Labor & Industries ($202.10 application fee). 3. Journey level plumber exam (PSI). Check the board before you apply: [Washington State Department of Labor & Industries](https://lni.wa.gov/licensing-permits/plumbing/plumber-certification/get-or-renew-your-certification). Apprenticeships ## Registered apprenticeship sponsors in Washington 8 registered apprenticeship sponsors in Washington match this trade in the DOL partner file. Most of the supervised hours can be earned inside a paid registered apprenticeship; see [registered apprenticeship sponsors in Washington](https://registeredtradeschools.com/apprenticeships/wa/) on RegisteredTradeSchools.com. A listing is not confirmation of current openings. Pay ## What licensed pipefitters and steamfitters earn in Washington Median $81,030, bottom 10% $49,490, top 10% $141,860 (BLS OEWS May 2025). [Full Washington pay breakdown](https://highpayingtrades.com/trades/pipefitter/washington/). By the [HighPayingTrades Data Team](https://highpayingtrades.com/about/) · Updated Nov 4, 2026 ## Sources **Figures as of BLS OEWS May 2025 estimates (released 2026-05-15) and BLS Employment Projections 2025–35 (released 2026-08-27).** - **Licensing:** Washington State Department of Labor & Industries, , retrieved 2026-11-04. - **Licensing:** Washington State Department of Labor & Industries, , retrieved 2026-11-04. - **Apprenticeship sponsor counts:** U.S. DOL Office of Apprenticeship partner sponsors file ([CSV](https://www.apprenticeship.gov/sites/default/files/wps/oa_partner_sponsors.csv)), retrieved 2026-11-04. Matched to the trade by keywords in the organization name; the file has no occupation field and no openings status. - **Wages:** U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 estimates, released 2026-05-15. Compiled by the HighPayingTrades Data Team. Items a board does not publish are left out, not estimated. Last checked 2026-11-04. --- Canonical HTML: https://highpayingtrades.com/trades/pipefitter/washington/licensing/ Wages: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 estimates, released 2026-05-15 (https://www.bls.gov/news.release/archives/ocwage_05152026.htm). Programs: NCES IPEDS 2023-24 completions; DOL Office of Apprenticeship. Tuition: College Scorecard.