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.
- BARRON HEATING & A/C INCEXPIRED
Ferndale, WA · License BARROHC796NP · First registered 2021
Spokane Valley, WA · License BASALPH771QA · First registered 2023
- BASIC PLUMBINGEXPIRED
Friday Harbor, WA · License BASICP*023RQ · First registered 1998
- BASIC PLUMBING LLCEXPIRED
Burien, WA · License BASICPL763D9 · First registered 2024
Blaine, WA · License BATPRPB833JS · First registered 2017
- BATES PLUMBINGSUPERCEDED
Longview, WA · License BATESP*784KC · First registered 2022
- BATES PLUMBINGRE-LICENSED
Longview, WA · License BATESP*951PO · First registered 2005
- BATES PLUMBING INCRE-LICENSED
Marysville, WA · License BATESI*224BK · First registered 1978
- BATH FITTERSUSPENDED
Black Diamond, WA · License BATHFF*771K5 · First registered 2023
- BATMAN TESTINGEXPIRED
Everett, WA · License BATMAT*953KE · First registered 2005
- BB INTERNATIONAL LLCSUSPENDED
Federal Way, WA · License BBINTIL783DN · First registered 2022
- BB INTERNATIONAL LLCRE-LICENSED
Federal Way, WA · License BBINTIL934JB · First registered 2007
- BDL PLUMBINGRE-LICENSED
Corbett, OR · License BDLPLP*847M1 · First registered 2016
- BDM PLUMBING & DRAINOUT OF BUSINESS
Puyallup, WA · License BDMPLPD849OF · First registered 2016
- BEAR PLUMBING & HEATING INCRE-LICENSED
University Place, WA · License BEARPHI973JJ · First registered 2003
- BEAVERTON PLUMBING INCEXPIRED
Beaverton, OR · License BEAVEI*221M0 · First registered 1978
- BECRAFT PLUMBINGRE-LICENSED
Everett, WA · License BECRAP*932RQ · First registered 2007
Seattle, WA · License BEESPPH788L2 · First registered 2022
Seattle, WA · License BEESPPH792MF · First registered 2021
- BEL-RED ENERGY SOLUTIONS LLCEXPIRED
Mukilteo, WA · License BELREES794O7 · First registered 2021
- BEL-RED PLUMBING LLCRE-LICENSED
Redmond, WA · License BELREPL893K6 · First registered 2011
- BELBROOK PLUMBINGEXPIRED
Cle Elum, WA · License BELBRP*7835A · First registered 2022
- BELBROOK PLUMBINGRE-LICENSED
Cle Elum, WA · License BELBRP*905DH · First registered 2010
- BELCO PLUMBING SOLUTIONSOUT OF BUSINESS
Yacolt, WA · License BELCOPS817M6 · First registered 2019
- BELFAIR PLUMBING & DRAIN SRVCRE-LICENSED
Bremerton, WA · License BELFAPD043L1 · First registered 1996
- BELLA PLUMBING LLCEXPIRED
Mukilteo, WA · License BELLAPL778RG · First registered 2023
- BELLS PLUMBING & HEATINGRE-LICENSED
Silverdale, WA · License BELLSPH901M2 · First registered 2010
- BELRED HEATING/COOL/PLMB LLCSUPERCEDED
Mukilteo, WA · License BELREHL783C8 · First registered 2022
- BEN THE PLUMBER INCRE-LICENSED
Bellingham, WA · License BENPLPI923QK · First registered 2008
- BEN'S PLUMBINGEXPIRED
Seattle, WA · License BENSPP*956P5 · First registered 2005
- BENJAMIN FRANKLIN PLUMBINGSUSPENDED
Woodinville, WA · License BENJAFP752CM · First registered 2025
- BENJAMIN FRANKLIN PLUMBINGEXPIRED
Bellevue, WA · License BENJAFP761M3 · First registered 2024
- BENJAMIN FRANKLIN PLUMBINGSUSPENDED
Bellevue, WA · License BENJAFP762QQ · First registered 2024
- BENNETT PLUMBING LLCEXPIRED
Sumner, WA · License BENNEPL791LM · First registered 2021
- BENNY THE PLUMBEREXPIRED
Spokane, WA · License BENNYP*786JH · First registered 2022
- BENNY THE PLUMBERRE-LICENSED
Spokane, WA · License BENNYP*800D4 · First registered 2020
- BERENTSON INCEXPIRED
Burlington, WA · License BERENI*065R1 · First registered 1994
- BERGH'S PLUMBING LLCSUSPENDED
Graham, WA · License BERGHPL751DS · First registered 2025
- BERGMANN PLUMBING LLCRE-LICENSED
Battle Ground, WA · License BERGMPL807B4 · First registered 2020
- BERLIN PLUMBINGEXPIRED
Anacortes, WA · License BERLIP*005L1 · First registered 2000
- BEST CHOICE PLUMBING INCRE-LICENSED
Puyallup, WA · License BESTCCP932KP · First registered 2007
- BEST PLUMBING GROUP LLCRE-LICENSED
Seattle, WA · License BESTPGL973CD · First registered 2003
Wallula, WA · License BESTPPR814LJ · First registered 2019
- BEST ROOTER SERVICEEXPIRED
Bellingham, WA · License BESTRRS773JO · First registered 2023
- BEYOND PUREOUT OF BUSINESS
Spokane, WA · License BEYONP*772PQ · First registered 2023
- BIDDLE CONTRACTING SRVCS LLCRE-LICENSED
Gig Harbor, WA · License BIDDLCS951N3 · First registered 2005
- BIG HORN PLUMBING LLCSUSPENDED
Walla Walla, WA · License BIGHOHP774J8 · First registered 2023
- BIG JERRY'S PLUMBING LLCEXPIRED
Tacoma, WA · License BIGJEJP827C6 · First registered 2018
- BIG O'S PLUMBING LLCEXPIRED
Auburn, WA · License BIGOSOP824JF · First registered 2018
- BIG RED WRENCH PLUMBINGSUSPENDED
Spokane, WA · License BIGRERW772C8 · First registered 2023