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.
- KING'S GATE PLUMBING INCEXPIRED
Kennewick, WA · License KINGSGP790Q3 · First registered 2021
- KIRK'S QUALITY PLUMBINGRE-LICENSED
Port Hadlock, WA · License KIRKSQP843BH · First registered 2016
- KITSAP DRAIN SCOPE & LOCATEEXPIRED
Seabeck, WA · License KITSADS778C2 · First registered 2023
- KITSAP PENINSULA PLUMBING INCRE-LICENSED
Suquamish, WA · License KITSAPP973D4 · First registered 2003
- KITSAP PLUMBERS GROUP INCEXPIRED
Silverdale, WA · License KITSAPG009CM · First registered 2000
- KITTITAS VALLEY PLUMBING INCEXPIRED
Ellensburg, WA · License KITTIVP961P7 · First registered 2004
- KIWI HOME INSPECTIONS LLCEXPIRED
Spokane, WA · License KIWIHHI803LR · First registered 2020
- KJNR CONTRACTINGEXPIRED
Amboy, WA · License KJNRCC*796J8 · First registered 2021
- KNUTSON PLUMBING LLCRE-LICENSED
Yelm, WA · License KNUTSPL901BD · First registered 2010
- KODIAK PLUMBINGEXPIRED
Spokane, WA · License KODIAP*909MR · First registered 2010
- KOHLER PLUMBINGEXPIRED
Kennewick, WA · License KOHLEP*066CM · First registered 1994
- KOHLER PLUMBINGSUPERCEDED
Kennewick, WA · License KOHLEP*790RH · First registered 2021
- KP PLUMBING AND MECHANICALEXPIRED
Spokane Valley, WA · License KPPLUPM794NP · First registered 2021
- KRUCKMAN PLUMBING LLCEXPIRED
Gresham, OR · License KRUCKPL815NN · First registered 2019
- KURITA AMERICA INCEXPIRED
Minneapolis, MN · License KURITAI793JL · First registered 2021
- Kaizen PlumbingSUSPENDED
Bellevue, WA · License KAIZEP*783RO · First registered 2022
- King Plumbing& Heating LLCEXPIRED
Tacoma, WA · License KINGPPH762BB · First registered 2024
- Kooy's Irrigation INCSUSPENDED
Quincy, WA · License KOOYSII785DS · First registered 2023
- L E POPES PLUMBING INCEXPIRED
Moses Lake, WA · License LEPOPEP797O3 · First registered 2021
- L&N PLUMBING LLCEXPIRED
Renton, WA · License LNPLUPL770OM · First registered 2024
- LACASSE PLUMBING LLCEXPIRED
Sultan, WA · License LACASPL787LG · First registered 2022
- LACY MECHANICAL INCEXPIRED
Boise, ID · License LACYMMI902DZ · First registered 2010
- LAI'S PLUMBINGRE-LICENSED
Bothell, WA · License LAISP**040NK · First registered 1996
- LAI'S PLUMBINGEXPIRED
Bothell, WA · License LAISPP*792NF · First registered 2021
- LAING'S PLUMBINGEXPIRED
Vancouver, WA · License LAINGSP211PJ · First registered 1979
- LAKE CITY PLUMBINGEXPIRED
Seattle, WA · License LAKECCP920J2 · First registered 2008
- LAKE WASHINGTON PLUMBING INCRE-LICENSED
Shoreline, WA · License LAKEWPI109DT · First registered 1990
- LAKE WASHINGTON PLUMBING LLCEXPIRED
Shoreline, WA · License LAKEWWP811RR · First registered 2019
- LAKEMONT PLUMBING INCEXPIRED
Kenmore, WA · License LAKEMPI895LB · First registered 2011
- LAKERIDGE PLUMBING & MECH INCSUSPENDED
Duvall, WA · License LAKERPM799NG · First registered 2021
- LAKESIDE CUSTOM PLUMBING INCEXPIRED
Coeur D Alene, ID · License LAKESCP785L2 · First registered 2022
- LAKESIDE CUSTOM PLUMBING INCEXPIRED
Coeur D Alene, ID · License LAKESCP903MN · First registered 2010
- LAKESIDE PLUMBINGRE-LICENSED
Spokane Valley, WA · License LAKESP*803N6 · First registered 2020
- LAKESIDE PLUMBING LLCEXPIRED
Nine Mile Falls, WA · License LAKESPL761CO · First registered 2024
- LAKEVIEW PLUMBINGEXPIRED
Kirkland, WA · License LAKEVP*186P5 · First registered 1982
- LAKEWOOD PLUMBING INCEXPIRED
Tacoma, WA · License LAKEWPI099MA · First registered 1991
- LAKEWOOD PLUMBING/MECHNCAL INCRE-LICENSED
Stanwood, WA · License LAKEWPI011JN · First registered 1999
- LANGFORD PLUMBING INCRE-LICENSED
Redmond, WA · License LANGFPI044R8 · First registered 1996
- LANNING'S PLUMBING INCEXPIRED
Maple Valley, WA · License LANNIPI959NE · First registered 2005
Redmond, WA · License LARSOPH052B3 · First registered 1995
- LAW PLUMBING INCEXPIRED
Eatonville, WA · License LAWPLPI956RA · First registered 2005
- LAWSON FAMILY PLUMBING LLCEXPIRED
Yacolt, WA · License LAWSOFP816NN · First registered 2019
- LAYNE PLUMBING & WATER HTR LLCOUT OF BUSINESS
Arlington, WA · License LAYNEPW786BQ · First registered 2022
- LEAK PROS PLUMBINGSUSPENDED
Washougal, WA · License LEAKPPP796NE · First registered 2021
- LEAVENWORTH PLUMBING INC.RE-LICENSED
Peshastin, WA · License LEAVEPI981KL · First registered 2002
- LEBOS PLUMBING LLCRE-LICENSED
Kettle Falls, WA · License LEBOSPL820KW · First registered 2018
- LEES PLUMBING INCEXPIRED
Buckley, WA · License LEESPPI792N5 · First registered 2021
- LEGASEA PRO HOME SERVICES LLCSUSPENDED
Seattle, WA · License LEGASPH766PG · First registered 2024
- LEIGHTON PLUMBING & MECH LLCEXPIRED
Mill Creek, WA · License LEIGHPM762NL · First registered 2024
- LEMASTER PLUMBING LLCSUSPENDED
Gig Harbor, WA · License LEMASPL763BJ · First registered 2024