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.
- BRITTON PLMB & MECHANICAL LLCRE-LICENSED
Seattle, WA · License BRITTPM871JB · First registered 2013
- BROEKER'S PLUMBING LLCEXPIRED
Graham, WA · License BROEKPL830QA · First registered 2017
- BROERSMA PLUMBING LLCRE-LICENSED
Brush Prairie, WA · License BROERPL918NO · First registered 2009
- BROFESSOR'S BLESSED PLMBNG LLCOUT OF BUSINESS
Shelton, WA · License BROFEBP770RO · First registered 2023
- BROOKS PLUMBING COEXPIRED
Lacey, WA · License BROOKPC995CB · First registered 2001
Snohomish, WA · License BROOKPP791R1 · First registered 2022
- BROTHERS PLUMBINGEXPIRED
Cle Elum, WA · License BROTHP*828BC · First registered 2018
- BROWN'S PLUMBING & PUMPS INCSUPERCEDED
Marysville, WA · License BROWNPP770LE · First registered 2023
- BROWN'S PLUMBING & PUMPS INCSUPERCEDED
Marysville, WA · License BROWNPP771JS · First registered 2023
- BROWN'S PLUMBING SERVICE LLCEXPIRED
Skamokawa, WA · License BROWNPS778PF · First registered 2023
- BSP SOLUTIONS LLCEXPIRED
Seattle, WA · License BSPSOSL806OQ · First registered 2020
- BTS PLUMBING LLCEXPIRED
Brier, WA · License BTSPLPL835R6 · First registered 2017
- BUD'S PLUMBING LLCRE-LICENSED
Vancouver, WA · License BUDSPPI945DN · First registered 2006
- BUDGET PLUMBING INCRE-LICENSED
Ellensburg, WA · License BUDGEPI055KQ · First registered 1995
- BUDGET PLUMBING INCEXPIRED
Ellensburg, WA · License BUDGEPI777D9 · First registered 2023
Tracyton, WA · License BUDGERP944LF · First registered 2006
- BUDGET SERVICES LLCRE-LICENSED
Vancouver, WA · License BUDGESL820LQ · First registered 2018
- BULLSEYE MECHANICAL LLCSUSPENDED
Hayden, ID · License BULLSML756DJ · First registered 2025
- BURK MECHANICAL LLCEXPIRED
Port Orchard, WA · License BURKMML886D2 · First registered 2012
- BURKE PLUMBING INCRE-LICENSED
Selah, WA · License BURKEPI850BT · First registered 2015
- BURKE'S PLUMBINGRE-LICENSED
Selah, WA · License BURKEP*851P6 · First registered 2015
- BURLEY PLUMBINGEXPIRED
Covington, WA · License BURLEP*880LA · First registered 2012
- BUSS MECHANICAL SERVICES INCEXPIRED
Boise, ID · License BUSSMMS922P2 · First registered 2008
- BUTTON PLUMBING EAST LLCRE-LICENSED
Snoqualmie Pass, WA · License BUTTOPE841KL · First registered 2016
- Backflow Tri-Cities LLCRE-LICENSED
Pasco, WA · License BACKFTL798JR · First registered 2021
- Ball Plumbing Services LLCRE-LICENSED
Bellingham, WA · License BALLPPS866B7 · First registered 2014
- Barbo's Plumbing LLCRE-LICENSED
Olympia, WA · License BARBOPL863BG · First registered 2014
- Bates PlumbingEXPIRED
Spokane, WA · License BATESP*840JJ · First registered 2016
- Beason Plumbing LLCSUSPENDED
Spanaway, WA · License BEASOPL761DO · First registered 2024
- Better Flow Plumbing LLCRE-LICENSED
Auburn, WA · License BETTEFP825O4 · First registered 2018
- Big Horn PlumbingSUSPENDED
Walla Walla, WA · License BIGHOHP757QO · First registered 2025
- Bremerton Backflow ServicesEXPIRED
Bremerton, WA · License BREMEBS880C4 · First registered 2012
- Bronson Plumbing LLCEXPIRED
Port Gamble, WA · License BRONSPL775L6 · First registered 2023
- Bronson Plumbing LLCRE-LICENSED
Port Gamble, WA · License BRONSPL833JJ · First registered 2017
- Brunette Plumbing INCEXPIRED
Maple Valley, WA · License BRUNEPI781O7 · First registered 2022
- Brunette Plumbing INCEXPIRED
Maple Valley, WA · License BRUNEPI860DG · First registered 2014
Tracyton, WA · License BUDGERP773OE · First registered 2023
- C & C WIRTH PLUMBING LLCRE-LICENSED
Veradale, WA · License CCWIRCW921BJ · First registered 2008
- C & K PLUMBINGEXPIRED
Bothell, WA · License CKPLU**148JW · First registered 1986
- C & M PLUMBINGRE-LICENSED
Kennewick, WA · License CMPLUMP845BJ · First registered 2016
- C C'S PLUMBING INCEXPIRED
Spanaway, WA · License CCSPLCP788KP · First registered 2022
- C C'S PLUMBING INCRE-LICENSED
Spanaway, WA · License CCSPLCP963MB · First registered 2004
- C J'S PLUMBINGEXPIRED
Twisp, WA · License CJSPLJP953OA · First registered 2005
- C J'S PLUMBING LLCEXPIRED
Puyallup, WA · License CJSPLJP796MB · First registered 2021
- C J'S PLUMBING LLCRE-LICENSED
Tacoma, WA · License CJSPLL*975J2 · First registered 2003
- C LES PLUMBING LLCRE-LICENSED
Maple Valley, WA · License CLESPLP853L5 · First registered 2015
- C N C PLUMBINGRE-LICENSED
Auburn, WA · License CNCPL**982PZ · First registered 2002
- C&S PLUMBINGEXPIRED
Woodland, WA · License CSPLUP*766KP · First registered 2024
- CADE PLUMBING LLCRE-LICENSED
Federal Way, WA · License CADEPPL800RC · First registered 2020
- CALL THE PLUMBEROUT OF BUSINESS
Spokane, WA · License CALLPP*799J6 · First registered 2021