Plumbing contractors in Washington
2,262 active plumbing contractors are registered with Washington L&I. 4,448 registrations are on record in all, including expired and other statuses.
199 of the active plumbing contractors registered in Washington are based in other states.
2,262 active registrations
Businesses by registered name and license number. Show all 4,448 registrations on record, including expired.
Tacoma, WA · License CRESOFP798PR · Registered 4 years
- CROWN PLUMBINGACTIVE
Portland, OR · License CROWNP*787P7 · Registered 3 years
- CRUZ MECHANICAL LLCACTIVE
Yakima, WA · License CRUZMML755KG · Registered 1 year
- CSI PLUMBING LLCACTIVE
Deer Park, WA · License CSIPLPL751CS · Registered 1 year
- CULLIGANACTIVE
Kennewick, WA · License CULLI**077RA · Registered 32 years
- CUMBEE & CO CONST LLCACTIVE
Gig Harbor, WA · License CUMBECC749KQ · Registered less than 1 year
Yelm, WA · License CURTICP764BR · Registered 2 years
Medford, OR · License CURTIPM795MF · Registered 5 years
- CUSTOM PLUMBINGACTIVE
Athol, ID · License CUSTOP*781QZ · Registered 3 years
- CUSTOM RADIANTACTIVE
Milton, WA · License CUSTOR*787QN · Registered 3 years
Chehalis, WA · License CUSTOWS016KM · Registered 27 years
Walla Walla, WA · License CUTTIEP793MN · Registered 5 years
Milton, WA · License CWPLUPR786D2 · Registered 4 years
- CW RNM SERVICES LLCACTIVE
Yakima, WA · License CWRNMRS792NG · Registered 5 years
Lake Stevens, WA · License CAMPBQP790RP · Registered 4 years
- Centerline Plumbing LLCACTIVE
Seattle, WA · License CENTEPL780DS · Registered 4 years
- Central Plumbing & MechACTIVE
Cle Elum, WA · License CENTRPM767DO · Registered 2 years
- Clarkes Pump Service LLCACTIVE
Lacey, WA · License CLARKPS774D1 · Registered 3 years
Puyallup, WA · License CLEANWP786CQ · Registered 4 years
- Coon Plumbing LLCACTIVE
Port Townsend, WA · License COONPPL794NW · Registered 5 years
- Cougar Heating & CoolingACTIVE
Caldwell, ID · License COUGAHC774KH · Registered 2 years
- Craftsman Plumbing LLCACTIVE
Seattle, WA · License CRAFTPL798P9 · Registered 4 years
Puyallup, WA · License CROSSCS773RG · Registered 2 years
Zillah, WA · License CROSSPS772BZ · Registered 3 years
- Culligan QuenchACTIVE
King Of Prussia, PA · License CULLIQ*752MH · Registered 1 year
- D & F PLUMBING COACTIVE
Vancouver, WA · License DFPLUFP782LP · Registered 3 years
- D & R Plumbing LLCACTIVE
Yakima, WA · License DRPLURP786B6 · Registered 4 years
- D & S PLUMBING LLCACTIVE
Everett, WA · License DSPLUSP787CM · Registered 4 years
- D HENRY INCACTIVE
Seattle, WA · License DHENRHI775C2 · Registered 3 years
- D J'S PLUMBING LLCACTIVE
Centralia, WA · License DJSPLJP785MJ · Registered 4 years
- D M KELLY MECHANICAL INCACTIVE
Enumclaw, WA · License DMKELMK782DC · Registered 4 years
- D N K PLUMBINGACTIVE
Tacoma, WA · License DNKPLNK754J5 · Registered 1 year
- D&M PLUMBING LLCACTIVE
Yacolt, WA · License DMPLUPL746M9 · Registered less than 1 year
- D3 PLUMBING LLCACTIVE
Lake Stevens, WA · License D3PLUPL783OT · Registered 4 years
- DAD BOD PLUMBING LLCACTIVE
Pasco, WA · License DADBOBP740OC · Registered less than 1 year
Burlington, WA · License DAHLMPW796NQ · Registered 5 years
- DAKASI PMCACTIVE
Sequim, WA · License DAKASP*773MK · Registered 3 years
Kelso, WA · License DALEMMW797MB · Registered 5 years
Hauser, ID · License DALETTP792PR · Registered 4 years
- DALEY PLUMBINGACTIVE
Tacoma, WA · License DALEYP*753OR · Registered 1 year
- DANA'S HEATING INCACTIVE
Bremerton, WA · License DANASHI766B9 · Registered 2 years
- DANDELION PLUMBING LLCACTIVE
Seattle, WA · License DANDEPL757NR · Registered 1 year
Quincy, WA · License DANFOPP780CD · Registered 4 years
- DANIKA PLUMBING LLCACTIVE
Everett, WA · License DANIKPL782OF · Registered 4 years
- DANRENKE PLUMBING LLCACTIVE
Maple Valley, WA · License DANREPL751CD · Registered 1 year
- DAPPER PLUMBINGACTIVE
Marysville, WA · License DAPPEP*770C2 · Registered 3 years
- DAVE'S PLUMBING INCACTIVE
East Wenatchee, WA · License DAVESPI795OB · Registered 5 years
- DAVIS DRILLING LLCACTIVE
Belfair, WA · License DAVISDL754JP · Registered 1 year
- DAVIS PLUMBING INCACTIVE
Renton, WA · License DAVISPI796NW · Registered 5 years
- DAVIS PUMPS INCACTIVE
Belfair, WA · License DAVISPI763PS · Registered 1 year