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, WA · License TOMSPPR860BF · First registered 2014
- TOM'S PLUMBING INCRE-LICENSED
Sequim, WA · License TOMSPI*995PH · First registered 2001
- TONY CAMP PLUMBING LLCRE-LICENSED
Olympia, WA · License TONYCCP936Q7 · First registered 2007
Cle Elum, WA · License TONYSSP929OT · First registered 2008
- TONY'S PLUMBING LLCEXPIRED
Graham, WA · License TONYSPL785KD · First registered 2022
- TOP NOTCH PLUMBINGRE-LICENSED
Friday Harbor, WA · License TOPNONP901C6 · First registered 2010
Anacortes, WA · License TOPNONP794DZ · First registered 2021
- TOP PLUMBINGEXPIRED
Clinton, WA · License TOPPLP*783CW · First registered 2022
- TOP PLUMBINGEXPIRED
Clinton, WA · License TOPPLP*906R9 · First registered 2010
- TOP TIER PLUMBING LLCSUSPENDED
Lake Stevens, WA · License TOPTITP757CQ · First registered 2025
- TOPGUN PLUMBING LLCSUSPENDED
Bothell, WA · License TOPGUPL791RZ · First registered 2021
- TOPGUN PLUMBING LLCOUT OF BUSINESS
Snohomish, WA · License TOPGUPL943RD · First registered 2006
- TOPI'S PLUMBINGEXPIRED
Olympia, WA · License TOPISP*798P7 · First registered 2021
- TOPI'S PLUMBINGRE-LICENSED
Olympia, WA · License TOPISP*934K4 · First registered 2007
- TOPLINE PLUMBING LLCEXPIRED
Manson, WA · License TOPLIPL799O7 · First registered 2024
- TOPS PLUMBING LLCSUSPENDED
Dover, DE · License TOPSPPL762R3 · First registered 2025
- TOTAL COMFORT SOLUTIONS LLCSUSPENDED
Walla Walla, WA · License TOTALCS796NQ · First registered 2021
- TOTAL PLUMBING INCEXPIRED
Edgewood, WA · License TOTALPI783N3 · First registered 2022
- TOTAL PLUMBING INCRE-LICENSED
Edgewood, WA · License TOTALPI932MU · First registered 2007
Snohomish, WA · License TOTALPS840PD · First registered 2016
- TOTAL SERVEEXPIRED
Battle Ground, WA · License TOTALS*761LC · First registered 2024
- TP PLUMBINGEXPIRED
Seattle, WA · License TPPLUP*820LK · First registered 2018
- TP PLUMBING & DRAINS LLCRE-LICENSED
Tulalip, WA · License TPPLUPD819R6 · First registered 2019
- TR PLUMBING LLCEXPIRED
Liberty Lake, WA · License TRPLUPL792RG · First registered 2021
- TR PLUMBING LLCRE-LICENSED
Liberty Lake, WA · License TRPLUPL820P5 · First registered 2018
- TRADESMEN PLUMBING LLCEXPIRED
Buckley, WA · License TRADEPL765NR · First registered 2024
- TRADEWORKS NW, INC.EXPIRED
Snohomish, WA · License TRADENI764BP · First registered 2024
- TRADITIONS PLUMBING LLCSUSPENDED
Mount Vernon, WA · License TRADIPL781DW · First registered 2023
- TRAN PLUMBINGSUSPENDED
Tukwila, WA · License TRANPP*784RM · First registered 2022
- TRANSIT PLUMBING INCEXPIRED
Auburn, WA · License TRANSPI101KK · First registered 1990
- TRANSMOTION INCSUSPENDED
Downers Grove, IL · License TRANSI*777N5 · First registered 2023
- TREK PLUMBING LLCEXPIRED
Prosser, WA · License TREKPPL792RN · First registered 2022
Snohomish, WA · License TREPPPM792RZ · First registered 2021
- TRI COUNTY PLMBG ANACORTES LLCOUT OF BUSINESS
Anacortes, WA · License TRICOCP794M6 · First registered 2021
- TRI COUNTY PLMBG ANACORTES LLCRE-LICENSED
Anacortes, WA · License TRICOCP838M7 · First registered 2017
- TRI POINT CONTRACTORS LLCSUSPENDED
Vancouver, WA · License TRIPOPC784DA · First registered 2022
- TRI-CITIES WATER STORE INCOUT OF BUSINESS
Kennewick, WA · License TRICIWS084MZ · First registered 1992
Monroe, WA · License TRIDEPD844CK · First registered 2016
- TRIPLE A DRILLING INCEXPIRED
Burbank, WA · License TRIPLDI784LS · First registered 2022
- TRIPLE A PLUMBING LLCOUT OF BUSINESS
Pasco, WA · License TRIPLPL884BC · First registered 2012
- TRIPLE L PLUMBING INCEXPIRED
Hayden, ID · License TRIPLLP931B4 · First registered 2007
- TRITAN PLUMBING INCRE-LICENSED
Kennewick, WA · License TRITAPI862BC · First registered 2014
- TRM SERVICES INCEXPIRED
Spokane Valley, WA · License TRMSESI789KB · First registered 2022
- TROPHY PLUMBINGEXPIRED
Olympia, WA · License TROPHP*856RB · First registered 2015
- TRUE BLUE PLUMBING NORTHWESTSUSPENDED
Tukwila, WA · License TRUEBBP752TL · First registered 2025
- TRUE FIX PLUMBINGSUPERCEDED
Olympia, WA · License TRUEFFP753CS · First registered 2025
- TRUE PLUMBING COMPANY LLCOUT OF BUSINESS
Amboy, WA · License TRUEPPC832DA · First registered 2017
- TRUEMAN PLUMBING INCEXPIRED
Suquamish, WA · License TRUEMPI893OT · First registered 2011
- TRUEWORK PLUMBING LLCEXPIRED
Yacolt, WA · License TRUEWPL763MP · First registered 2024
- TUB COVE INCSUSPENDED
Redmond, WA · License TUBCOCI751JD · First registered 2025