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.
- JOHN ZARBOCK PLUMBING INCRE-LICENSED
Salt Lake City, UT · License JOHNZZP917P3 · First registered 2009
- JOHN'S PLUMBING & PUMPS INCSUPERCEDED
Olympia, WA · License JOHNSPP773LF · First registered 2022
- JOHN'S PLUMBING & PUMPS INCSUPERCEDED
Olympia, WA · License JOHNSPP784K5 · First registered 2022
- JON MCCALLUMEXPIRED
Cle Elum, WA · License JONMCM*868DL · First registered 2014
- JONES PLUMBING & HEATING LLCEXPIRED
Arlington, WA · License JONESPH784DZ · First registered 2022
- JOSH BRAY PLUMBING LLCEXPIRED
Pilot Rock, OR · License JOSHBBP949KS · First registered 2006
- JOSH THE PLUMBEROUT OF BUSINESS
Vancouver, WA · License JOSHPP*764RP · First registered 2024
- JP PLUMBING INCSUSPENDED
Port Angeles, WA · License JPPLUPI794NT · First registered 2021
- JP PLUMBING INCRE-LICENSED
Port Angeles, WA · License JPPLUPI934LJ · First registered 2007
- JP Plumbing of OregonEXPIRED
Astoria, OR · License JPPLUPO772K3 · First registered 2023
Orting, WA · License JQPJEJQ866MJ · First registered 2014
- JR'S PLUMBINGEXPIRED
Renton, WA · License JRSPLP*833R8 · First registered 2017
- JR'S PLUMBING INCRE-LICENSED
Yelm, WA · License JRSPLI*975D5 · First registered 2003
- JT PLUMBING LLCRE-LICENSED
Seattle, WA · License JTPLUPL850NO · First registered 2015
- JT'S PLUMBING & MECHANICAL INCRE-LICENSED
Auburn, WA · License JTSPLPM848DG · First registered 2016
- JUDAH THE PLUMBERRE-LICENSED
Tigard, OR · License JUDAHP*916MN · First registered 2009
- JUST JIM PLUMBING/HEATING INCRE-LICENSED
Maple Valley, WA · License JUSTJPH077JA · First registered 1993
- JUST PLUMBING LLCEXPIRED
Bremerton, WA · License JUSTPPL860KE · First registered 2014
- Juan Segovia PlumbingEXPIRED
College Place, WA · License JUANSSP863DR · First registered 2014
- K & B PLUMBING INCEXPIRED
Tacoma, WA · License KBPLUI*990BT · First registered 2001
- K & C PLUMBING INCEXPIRED
Oregon City, OR · License KCPLUCP951QB · First registered 2005
- K & M PLUMBING SERVICE INCEXPIRED
University Place, WA · License KMPLUSI995K5 · First registered 2001
- K D P PLUMBINGRE-LICENSED
Auburn, WA · License KDPPLP*930O8 · First registered 2007
- K&L PLUMBING SERVICES LLCEXPIRED
Anacortes, WA · License KLPLUPS788D9 · First registered 2022
- K'S QUALITY PLUMBING LLCEXPIRED
Renton, WA · License KSQUAQP777KN · First registered 2023
- K5 PLUMBING & MECHANICAL LLCEXPIRED
Moses Lake, WA · License K5PLUPM793RH · First registered 2021
- K5 PLUMBING & MECHANICAL LLCRE-LICENSED
Moses Lake, WA · License K5PLUPM797DP · First registered 2021
- KAIZEN RESIDENTIALINACTIVE
Bothell, WA · License KAIZER*785RO · First registered 2022
- KARY PLUMBINGEXPIRED
Richland, WA · License KARYP**161RR · First registered 1984
- KEIFER PLUMBINGEXPIRED
Pullman, WA · License KEIFEP*837N5 · First registered 2017
- KEITH R CARTEREXPIRED
Portland, OR · License KEITHRC841CA · First registered 2016
- KEMMERER PLUMBINGRE-LICENSED
Marysville, WA · License KEMMEP*822KJ · First registered 2018
- KEN ADAMS PLUMBING INCSUPERCEDED
Walla Walla, WA · License KENADAP796O9 · First registered 2021
- KEN ADAMS PLUMBING INCRE-LICENSED
Walla Walla, WA · License KENADPI055MK · First registered 1995
- KEN PAULSON PLUMBING INCEXPIRED
Pullman, WA · License KENPAPP793M9 · First registered 2021
- KEN THOMPSON DRILLING INCSUPERCEDED
Moses Lake, WA · License KENTHTD797O3 · First registered 2021
- KENDALL PLUMBINGEXPIRED
College Place, WA · License KENDAP*783LP · First registered 2022
- KENDALL PLUMBING & REPAIREXPIRED
College Place, WA · License KENDAPR189OG · First registered 1982
- KENNEDY'S PLUMBING INCEXPIRED
Priest River, ID · License KENNEPI913N6 · First registered 2009
- KEVIN'S PLUMBING INCRE-LICENSED
Granite Falls, WA · License KEVINPI812P2 · First registered 2019
- KEYSTONE PLUMBING LLCEXPIRED
Silverlake, WA · License KEYSTPL782L2 · First registered 2022
- KGM PLUMBING INCEXPIRED
Port Angeles, WA · License KGMPLPI800OP · First registered 2020
- KIEBURTZ PLUMBINGEXPIRED
Shelton, WA · License KIEBUP*258JZ · First registered 1976
- KIEL MECHANICAL LLCEXPIRED
Buckley, WA · License KIELMML785KQ · First registered 2022
- KIMCO PLUMBING INCRE-LICENSED
Poulsbo, WA · License KIMCOPI066LT · First registered 1994
- KING PLUMBINGEXPIRED
Tacoma, WA · License KINGPP*773O2 · First registered 2023
- KING PLUMBING & SERVICES LLCRE-LICENSED
Vancouver, WA · License KINGPPS859OP · First registered 2015
- KING PLUMBING LLCRE-LICENSED
Bothell, WA · License KINGPPL821JS · First registered 2018
- KING SOFT WATER COMPANYEXPIRED
Spokane, WA · License KINGSWC092O7 · First registered 1991
- KING'S GATE PLUMBING INCRE-LICENSED
Kennewick, WA · License KINGSGP011J1 · First registered 1999