Plumbing contractors in Washington
2,263 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 2,263 active registrations.
- TUMWATER DRILLING & PUMP INCSUPERCEDED
Dryden, WA · License TUMWADP793PA · First registered 2021
- TUMYA PLUMBING CONTRACTOR LLCRE-LICENSED
Olympia, WA · License TUMYAPC880JR · First registered 2012
- TUNDRA MECHANICAL LLCEXPIRED
Olympia, WA · License TUNDRML889KT · First registered 2012
- TWIN COUNTY PLUMBINGRE-LICENSED
Rochester, WA · License TWINCP*111R1 · First registered 1989
- TYECO PLUMBING & HYDRONICSRE-LICENSED
Spokane, WA · License TYECOPH812DN · First registered 2019
- TYECO PLUMBING & HYDRONICS LLCRE-LICENSED
Spokane, WA · License TYECOPH811PZ · First registered 2019
- Timeless Plumbing LLCRE-LICENSED
Shoreline, WA · License TIMELPL861OE · First registered 2014
- Trailhead Plumbing LLCEXPIRED
Snohomish, WA · License TRAILPL785NU · First registered 2022
- Treat Plumbing LLCRE-LICENSED
Olympia, WA · License TREATPL848ML · First registered 2016
- U S WATER SERVICES INCEXPIRED
Saint Michael, MN · License USWATSW835RN · First registered 2017
- ULTRA PLUMBING LLCRE-LICENSED
Orting, WA · License ULTRAPL853RG · First registered 2015
- UNCLE SHIETZ PLUMBING INCRE-LICENSED
Seattle, WA · License UNCLESP943O5 · First registered 2006
- UNIFORM PLUMBING CO LLCEXPIRED
Milton, WA · License UNIFOPC932BS · First registered 2007
- UNION CITY PLUMBING INCRE-LICENSED
Shelton, WA · License UNIONCP013R9 · First registered 1999
- UNITED PLUMBINGEXPIRED
Monroe, WA · License UNITEP*148RF · First registered 1986
- UNITED PLUMBINGEXPIRED
Monroe, WA · License UNITEP*763PB · First registered 2024
- UNITED PLUMBINGEXPIRED
Monroe, WA · License UNITEP*792RF · First registered 2022
- UNITED PUMP CO.,SUPERCEDED
Hayden, ID · License UNITEPC797ON · First registered 2021
- UNITED WATER & AIR LLCEXPIRED
Vancouver, WA · License UNITEWA783QN · First registered 2022
- UNITED WATER INCRE-LICENSED
Vancouver, WA · License UNITEWI790JO · First registered 2021
- UNIVERSAL PLUMBING CO LLCRE-LICENSED
Mossyrock, WA · License UNIVEPC845JF · First registered 2016
- UPDATE PLUMBING LLCEXPIRED
Auburn, WA · License UPDATPL834NG · First registered 2017
- UPI CORPRE-LICENSED
Spokane, WA · License UPICOC*831C3 · First registered 2017
- URBAN MECHANICAL LLCRE-LICENSED
Pasco, WA · License URBANML790MB · First registered 2021
- USA SERVICESEXPIRED
Spokane, WA · License USASES*782RK · First registered 2023
- UTILITY MANAGEMENT GROUP LTDSUPERCEDED
Lopez Island, WA · License UTILIMG792O7 · First registered 2021
- Usher's PlumbingEXPIRED
Montesano, WA · License USHERP*814C7 · First registered 2019
- VACA'S PLUMBING LLCOUT OF BUSINESS
Federal Way, WA · License VACASPL763CL · First registered 2024
Sumas, WA · License VALLEPE799OO · First registered 2021
- VALVE DOCTOREXPIRED
Wenatchee, WA · License VALVED*764D6 · First registered 2024
- VALVE DOCTOREXPIRED
Wenatchee, WA · License VALVED*813CD · First registered 2019
- VAN'S PLUMBING & ELECTRIC INCSUSPENDED
Lynden, WA · License VANSPPE795MN · First registered 2021
- VANCOUVER PLUMBING LLCRE-LICENSED
Brush Prairie, WA · License VANCOPL824JT · First registered 2018
- VANDERPOL PLUMBING LLCSUSPENDED
Lynden, WA · License VANDEPL757BN · First registered 2025
- VANQUAETHEM BACKFLOW LLCEXPIRED
Kirkland, WA · License VANQUBL861PB · First registered 2014
- VANZELIA LLCEXPIRED
Seattle, WA · License VANZEL*771ND · First registered 2023
- VASHON CUSTOM HOMESOUT OF BUSINESS
Vashon, WA · License VASHOCH797OB · First registered 2021
- VASHON ISLAND PLUMBING LLCEXPIRED
Vashon, WA · License VASHOIP963BO · First registered 2004
- VERTEX PLUMBING LLCEXPIRED
Arlington, WA · License VERTEPL806B9 · First registered 2020
- VETTER PLUMBING LLCEXPIRED
Longview, WA · License VETTEPL793OO · First registered 2021
- VHP Plumbing LLCEXPIRED
Yakima, WA · License VHPPLPL780M7 · First registered 2022
- VIETZKE DRAIN & ROOTER LLCEXPIRED
Airway Heights, WA · License VIETZDR825D3 · First registered 2018
- VIKING PLUMBING & ROOTERRE-LICENSED
Kent, WA · License VIKINPR032DE · First registered 1997
- VIKING PLUMBING & ROOTEREXPIRED
Orange Beach, AL · License VIKINPR796RN · First registered 2021
- VIKING PLUMBING LLCSUSPENDED
Bothell, WA · License VIKINPL770NN · First registered 2023
- VILLA PLUMBINGRE-LICENSED
Steilacoom, WA · License VILLAP*055LM · First registered 1995
- VILLA PLUMBINGSUSPENDED
Steilacoom, WA · License VILLAP*798PG · First registered 2021
- VINNIE & SONS PLUMBING LLCEXPIRED
Gig Harbor, WA · License VINNISP795NQ · First registered 2021
- VINNIE & SONS PLUMBING LLCRE-LICENSED
Gig Harbor, WA · License VINNISP961MH · First registered 2004
- VIRTUE PLUMBING LLCEXPIRED
Mead, WA · License VIRTUPL762NF · First registered 2024