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.

TAS MECHANICAL/GREEN PLBG LLCEXPIRED
Wellpinit, WA · License TASMEMP821P4 · First registered 2018
TAYLOR HEATING CLNG/PLMBNG LLCEXPIRED
Puyallup, WA · License TAYLOHC789RZ · First registered 2022
TAYLOR HTNG COOLING & PLUMBINGEXPIRED
Woodinville, WA · License TAYLOHC7694W · First registered 2024
TAYLOR PLUMBING INCEXPIRED
East Wenatchee, WA · License TAYLOPI850RG · First registered 2015
TAYLORED PLUMBING LLCEXPIRED
Hayden, ID · License TAYLOPL869N7 · First registered 2014
TDS PLUMBING LLCEXPIRED
Mill Creek, WA · License TDSPLPL893RB · First registered 2011
TECHNICAL PLUMBING INCEXPIRED
Yacolt, WA · License TECHNPI944CM · First registered 2006
TED HUNT PLUMBINGRE-LICENSED
Port Orchard, WA · License TEDHUHP950DA · First registered 2005
TEE-TYE'S WTRSRV PLBG RPR LLCEXPIRED
Burien, WA · License TEETYWP768C3 · First registered 2024
TEMCO LOGISTICSSUSPENDED
Irvine, CA · License TEMCOL*794OO · First registered 2021
THE BARTON BOYSSUSPENDED
Spokane Valley, WA · License BARTOBB759DS · First registered 2025
THE BARTON BOYSEXPIRED
Spokane Valley, WA · License BARTOBB777MQ · First registered 2023
THE BRIGHT PLUMBING CO LLCEXPIRED
Auburn, WA · License BRIGHBP837K6 · First registered 2017
THE GENERAL PLBG & SRVC CO LLCEXPIRED
Mount Vernon, WA · License GENERPS893B8 · First registered 2011
THE LOCAL GUYS PLB/DRN SER LLCEXPIRED
Millwood, WA · License LOCALLG852ML · First registered 2015
THE MASTER PLUMBER LLCEXPIRED
Kent, WA · License MASTEMP788DA · First registered 2022
THE PLUMB CRAZYEXPIRED
Tacoma, WA · License PLUMBPC803DP · First registered 2020
THE PLUMBEREXPIRED
Acme, WA · License PLUMBP*840DZ · First registered 2016
THE PLUMBEREXPIRED
Renton, WA · License PLUMBP*915RT · First registered 2009
THE PLUMBERS 2 LLCEXPIRED
Everett, WA · License PLUMBP2817OE · First registered 2019
THE PLUMBING & HNTG GROUP LLCEXPIRED
Snohomish, WA · License PLUMBPH786D2 · First registered 2022
THE PLUMBING MASTER LLCEXPIRED
Arlington, WA · License PLUMBPM786MF · First registered 2022
THE RIGHT MAN PLUMBINGSUPERCEDED
Lakewood, WA · License RIGHTRM771PZ · First registered 2023
THE SUPPLE PLUMBER LLCRE-LICENSED
Renton, WA · License SUPPLSP835K6 · First registered 2017
THE SWISHER PLUMBING COEXPIRED
Brewster, WA · License SWISHSP828O4 · First registered 2018
THE TURD HERDEREXPIRED
Chewelah, WA · License TURDHTH793CP · First registered 2021
THE WATER HEATER COMPANY LLCEXPIRED
Ferndale, WA · License WATERWH771DA · First registered 2023
THOMAS BROTHERS PLMBNG SRV INCRE-LICENSED
Hauser, ID · License THOMABP824KA · First registered 2018
THOMPSON PLUMBING SRVCS PLLCEXPIRED
Monroe, WA · License THOMPPS763BJ · First registered 2024
THOMPSONS PLUMBING LLCRE-LICENSED
Bremerton, WA · License THOMPPL859QB · First registered 2015
THORNLEY PLUMBING LLCEXPIRED
Kenmore, WA · License THORNPL833DC · First registered 2017
THREE BROTHERS PLUMBING LLCRE-LICENSED
Camas, WA · License THREEBP931JW · First registered 2007
THREE KINGS PLUMBING LLCEXPIRED
Spanaway, WA · License THREEKP822OE · First registered 2018
THREE RIVERS MECHANICAL INCEXPIRED
Kennewick, WA · License THREERM031LS · First registered 1997
THREE SONS PLUMBING LLCRE-LICENSED
Kalama, WA · License THREESP823C3 · First registered 2018
THUMBS UP PLUMBING SERVICEEXPIRED
Battle Ground, WA · License THUMBUP783KU · First registered 2022
THUMBS UP PLUMBING SERVICEEXPIRED
Battle Ground, WA · License THUMBUP963B2 · First registered 2004
TIMSON CONSTRUCTION LLCEXPIRED
Amboy, WA · License TIMSOCL781D2 · First registered 2022
TITAN MECHANICAL AND CONST LLCEXPIRED
Post Falls, ID · License TITANMC764NK · First registered 2024
TITAN PLUMBINGEXPIRED
Cheney, WA · License TITANP*868NE · First registered 2014
TITAN PLUMBING & MECH LLCSUSPENDED
Sumner, WA · License TITANPM766RO · First registered 2024
TITAN PLUMBING AND CONST LLCEXPIRED
Magnolia, TX · License TITANPC791MO · First registered 2021
TJ MECHANICALEXPIRED
Pomeroy, WA · License TJMECM*861BT · First registered 2014
TJ PLUMBING SERVICES, LLCOUT OF BUSINESS
Tacoma, WA · License TJPLUPS788NP · First registered 2022
TLC Plumbing IncEXPIRED
Bremerton, WA · License TLCPLPI782JJ · First registered 2022
TLC Plumbing IncRE-LICENSED
Bremerton, WA · License TLCPLPI833K3 · First registered 2017
TM PLUMBING LLCRE-LICENSED
Bellevue, WA · License TMPLUPL943PO · First registered 2006
TNT PLUMBING LLCEXPIRED
Lake Stevens, WA · License TNTPLPL775KD · First registered 2023
TOADS PLUMBING LLCRE-LICENSED
Woodland, WA · License TOADSPL797KJ · First registered 2021
TOM'S PLUMBING AND RPR TOO LLCEXPIRED
Tumwater, WA · License TOMSPPR789D4 · First registered 2022