Plumbing contractors in Washington
2,266 active plumbing contractors are registered with Washington L&I. 4,450 registrations are on record in all, including expired and other statuses.
200 of the active plumbing contractors registered in Washington are based in other states.
All 4,450 registrations on record
Businesses by registered name and license number. Show only the 2,266 active registrations.
- FROST PLUMBINGEXPIRED
Snohomish, WA · License FROSTP*011LH · First registered 1999
- FT-PLUMBING LLCRE-LICENSED
Bothell, WA · License FTPLUL*811MK · First registered 2019
- FULL SPEED PLUMBINGEXPIRED
Oak Harbor, WA · License FULLSSP783DG · First registered 2022
- FUTURE TEMP LLCSUPERCEDED
Custer, WA · License FUTURTL766D1 · First registered 2024
- FX PLUMBING LLCEXPIRED
Granite Falls, WA · License FXPLUPL940CN · First registered 2006
- Freedom Plumbing LLCEXPIRED
Poulsbo, WA · License FREEDPL793NT · First registered 2021
- Freedom Plumbing LLCRE-LICENSED
Poulsbo, WA · License FREEDPL845KU · First registered 2016
- Fusion Plumbing LLCEXPIRED
West Richland, WA · License FUSIOPL826CW · First registered 2018
- G V C PLUMBING INCRE-LICENSED
Selah, WA · License GVCPLI*990RM · First registered 2001
- G&H PLUMBING LLCRE-LICENSED
Stanwood, WA · License GHPLUPL844JO · First registered 2016
- G2 WATER TRTMNT & PLMBNG LLCEXPIRED
Island City, OR · License G2WATWT781BS · First registered 2022
- GALAXY PLUMBING LLCOUT OF BUSINESS
Federal Way, WA · License GALAXPL781N4 · First registered 2022
- GALL WATER SOLUTIONSEXPIRED
Onalaska, WA · License GALLWWS855RZ · First registered 2015
- GALLANTS PLUMBING SERVICES LLCRE-LICENSED
Poulsbo, WA · License GALLAPS814NF · First registered 2019
Tacoma, WA · License GARCIPD828JP · First registered 2018
- GARCIA'S PLUMBING LLCEXPIRED
Tacoma, WA · License GARCIPL807RP · First registered 2020
- GARRICK PLUMBING LLCRE-LICENSED
Langley, WA · License GARRIPL023P6 · First registered 1998
- GARY HARPER CONSTRUCTION INCEXPIRED
Snohomish, WA · License GARYHHC768OE · First registered 2024
- GARY'S PLUMBING INCEXPIRED
Port Angeles, WA · License GARYSPI994KN · First registered 2001
Yakima, WA · License GARYSPY854MA · First registered 2015
- GATES PLUMBING & RMDLNG LLCEXPIRED
Portland, OR · License GATESPR822DM · First registered 2018
- GATES PLUMBING LLCSUSPENDED
Portland, OR · License GATESPL753O9 · First registered 2025
- GAZELLE PLUMBING LLCEXPIRED
Gresham, OR · License GAZELPL801CL · First registered 2020
- GEIGER PLUMBING LLCSUSPENDED
Tacoma, WA · License GEIGEPL754C4 · First registered 2025
- GEMMELL'S MACHINE WORKS INCSUSPENDED
Dayton, WA · License GEMMEMW778DC · First registered 2023
- GENE JOHNSON PLUMBINGSUPERCEDED
Mukilteo, WA · License GENEJJP7713N · First registered 2023
Mukilteo, WA · License GENEJJP798O3 · First registered 2021
- GENE'S PLUMBINGEXPIRED
Marysville, WA · License GENESP*925DR · First registered 2008
- GHOS PLUMBING LLCEXPIRED
Issaquah, WA · License GHOSPPL768B5 · First registered 2024
- GIBSON PLUMBINGEXPIRED
Monroe, WA · License GIBSOP*767DJ · First registered 2024
- GIBSON PLUMBINGOUT OF BUSINESS
Snohomish, WA · License GIBSOP*787PS · First registered 2022
- GIBSON PLUMBING LLCEXPIRED
Lake Stevens, WA · License GIBSOPL823J4 · First registered 2018
- GILL MECHANICALEXPIRED
Athol, ID · License GILLMM*836KT · First registered 2017
- GILLZ PLUMBING LLCEXPIRED
Athol, ID · License GILLZPL799M8 · First registered 2021
- GILSOUL PLUMBINGEXPIRED
Chelan, WA · License GILSOP*009JP · First registered 2000
- GLACIER PLUMBING LLCRE-LICENSED
Yakima, WA · License GLACIPL796DA · First registered 2021
- GLEN GROVE PLUMBING LLCEXPIRED
Deer Park, WA · License GLENGGP786M8 · First registered 2022
- GLEN GROVE PLUMBING LLCRE-LICENSED
Spokane, WA · License GLENGGP945MC · First registered 2006
- GLOBAL PLUMBINGRE-LICENSED
Renton, WA · License GLOBAP*880MS · First registered 2012
- GO JO PLUMBINGEXPIRED
Arlington, WA · License GOJOPJP790RH · First registered 2021
- GO JO PLUMBINGRE-LICENSED
Arlington, WA · License GOJOPJP920C1 · First registered 2008
- GO WITH THE FLOW LLCEXPIRED
Leavenworth, WA · License GOWITWF813KN · First registered 2019
Sedro Woolley, WA · License GOWITWF782KB · First registered 2022
- GOLD SEAL PLUMBINGRE-LICENSED
Spokane, WA · License GOLDSP*932JR · First registered 2007
- GOLD SEAL SERVICERE-LICENSED
Spokane, WA · License GOLDSS*133QS · First registered 1987
- GOLDEN PLUMBING PLLCRE-LICENSED
Oak Harbor, WA · License GOLDEPP793CR · First registered 2021
- GOLDSTAR PLUMBING LLCSUSPENDED
Kirkland, WA · License GOLDSPL774CA · First registered 2023
- GOOD 2 GO PLUMBING LLCEXPIRED
Spanaway, WA · License GOOD22G792NE · First registered 2021
- GOOD 2 GO PLUMBING LLCRE-LICENSED
Spanaway, WA · License GOOD22G830BP · First registered 2017
- GOOD NEIGHBOR PLUMBERSSUPERCEDED
Vancouver, WA · License GOODNNP757KA · First registered 2025