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.
All 4,448 registrations on record
Businesses by registered name and license number. Show only the 2,262 active registrations.
- Bathroom LLC, TheACTIVE
Olympia, WA · License BATHRL*797MP · Registered 5 years
- Better Flow Plumbing LLCACTIVE
Auburn, WA · License BETTEFP797MO · Registered 5 years
- Black Lake Plumbing LLCACTIVE
Olympia, WA · License BLACKLP791R3 · Registered 4 years
- Bliss Plumbing LLCACTIVE
Gig Harbor, WA · License BLISSPL771QN · Registered 2 years
- Bowers Plumbing LLCACTIVE
Puyallup, WA · License BOWERPL782D3 · Registered 3 years
Longview, WA · License BROCKPL788RW · Registered 3 years
- Budget PumpsACTIVE
Cheney, WA · License BUDGEP*786MM · Registered 4 years
Seattle, WA · License BUTTOPH796ON · Registered 5 years
- C & M PLUMBINGACTIVE
Kennewick, WA · License CMPLUMP788BR · Registered 4 years
- C I C PLUMBING ENTACTIVE
Buckley, WA · License CICPLIC757DS · Registered 1 year
- C J'S PLUMBINGACTIVE
Twisp, WA · License CJSPLJP782B7 · Registered 4 years
- C LES PLUMBING LLCACTIVE
Maple Valley, WA · License CLESPLP797NW · Registered 5 years
- C&C WIRTH MECHANICAL LLCACTIVE
Post Falls, ID · License CCWIRWM740O5 · Registered less than 1 year
- C&N MECHANICAL LLCACTIVE
Everett, WA · License CNMECNM781P8 · Registered 3 years
- CADE PLUMBING LLCACTIVE
Federal Way, WA · License CADEPPL782O3 · Registered 4 years
Maple Valley, WA · License CAHILPH795RP · Registered 4 years
Portland, OR · License CALIBPM795QW · Registered 4 years
Everett, WA · License CALIBPS768JA · Registered 2 years
Portland, OR · License CALIBPS789P4 · Registered 3 years
- CALIBRE PLUMBING LLCACTIVE
Kent, WA · License CALIBPL740M3 · Registered less than 1 year
- CALL THE PLUMBERACTIVE
Spokane, WA · License CALLPP*785KU · Registered 4 years
- CAMAS PLUMBING LLCACTIVE
Camas, WA · License CAMASPL793O4 · Registered 4 years
- CAMP'S PLUMBING LLCACTIVE
The Dalles, OR · License CAMPSPL791P9 · Registered 4 years
Pasco, WA · License CAMPBCE791PL · Registered 4 years
Tacoma, WA · License CAMSPPS773JQ · Registered 3 years
- CANALES MECHANICALACTIVE
Bow, WA · License CANALM*742O2 · Registered less than 1 year
Lacey, WA · License CAPITHC793RF · Registered 4 years
Dalton Gardens, ID · License CAPITPH781PL · Registered 3 years
- CARDINAL HEATING & AIRACTIVE
Kirkland, WA · License CARDIHA796RD · Registered 4 years
- CAREY ROEMER PLUMBINGACTIVE
Spokane, WA · License CAREYRP778PT · Registered 2 years
- CARLSON MECHANICALACTIVE
Mill Creek, WA · License CARLSM*784BR · Registered 2 years
- CARRIER PLUMBINGACTIVE
Damascus, OR · License CARRIP*780M9 · Registered 4 years
- CARTER PLUMBING INCACTIVE
Amboy, WA · License CARTEPI757KO · Registered 1 year
- CARVER CONTRACTING LLCACTIVE
La Center, WA · License CARVECL759O6 · Registered 1 year
- CASCADE CLIMATE LLCACTIVE
Arlington, WA · License CASCACLA538E · Registered less than 1 year
Seattle, WA · License CASCACP741OD · Registered less than 1 year
Kelso, WA · License CASCAEP781BQ · Registered 4 years
Yacolt, WA · License CASCANP772C1 · Registered 3 years
White Salmon, WA · License CASCAPH772P6 · Registered 2 years
- CASCADE PLUMBING COACTIVE
Dundee, OR · License CASCAPC791ON · Registered 4 years
- CASCADE PLUMBING LLCACTIVE
Yakima, WA · License CASCAPL786J8 · Registered 4 years
Woodland, WA · License CASCAPS791RZ · Registered 3 years
Bonney Lake, WA · License CASCAPS795OB · Registered 5 years
- CASCADIA MECHANICALACTIVE
Kingston, WA · License CASCAM*767QM · Registered 1 year
- CASCADIA PLUMBING LLCACTIVE
Colville, WA · License CASCAPL755CS · Registered 1 year
- CASCADIAN PLUMBING PLLCACTIVE
Auburn, WA · License CASCAPP751P8 · Registered less than 1 year
- CASHMERE PLUMBING INCACTIVE
Cashmere, WA · License CASHMPI791NB · Registered 5 years
Langley, WA · License CASTLPS787BR · Registered 4 years
Tieton, WA · License CASTLPE776L7 · Registered 3 years
- CATTERALL PLUMBING INCACTIVE
Renton, WA · License CATTEPI796RM · Registered 4 years