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.
- DRISCOLL PLUMBING INCACTIVE
Sammamish, WA · License DRISCPI783JF · Registered 4 years
- DS PLUMBING INCACTIVE
Puyallup, WA · License DSPLUPI798NZ · Registered 4 years
- DSL BUILDERS LLCACTIVE
Salem, OR · License DSLBUBL769NG · Registered 2 years
- DTR PLUMBING LLCACTIVE
Bremerton, WA · License DTRPLPL742KJ · Registered less than 1 year
Poulsbo, WA · License DUKESPS796O4 · Registered 4 years
- DUNAWAY PLUMBING LLCACTIVE
Spokane, WA · License DUNAWPL791MP · Registered 5 years
Friday Harbor, WA · License DUNCAPC745ON · Registered less than 1 year
- DUNN WRIGHT PLUMBING LLCACTIVE
Spokane, WA · License DUNNWWP763OC · Registered 2 years
- DUWAMISH PLUMBING LLCACTIVE
Bonney Lake, WA · License DUWAMPL763Q7 · Registered 1 year
Edgewood, WA · License DVCMEMC752DS · Registered 1 year
- DZ MECHANICALACTIVE
Monroe, WA · License DZMECM*781B7 · Registered 4 years
- Daves PlumbingACTIVE
Bothell, WA · License DAVESP*750QS · Registered less than 1 year
Moscow, ID · License DIRECPS757CJ · Registered 4 years
Seattle, WA · License DIXONBT751RQ · Registered less than 1 year
Port Orchard, WA · License DUCKWPW776JJ · Registered 3 years
- Durnin Plumbing IncACTIVE
Edmonds, WA · License DURNIPI792M9 · Registered 5 years
- E&B PLUMBING PROSACTIVE
Seattle, WA · License EBPLUPP747CS · Registered less than 1 year
- E-Z WAY PLUMBING LLCACTIVE
Monroe, WA · License EZWAYWP799RF · Registered 4 years
- E.N.D PLUMBING INCACTIVE
Greenacres, WA · License ENDPLPI780DA · Registered 4 years
Lacey, WA · License EAGLEHA786D3 · Registered 4 years
Everson, WA · License EAGLEPH784P6 · Registered 3 years
- EAGLE PLUMBING INCACTIVE
Seabeck, WA · License EAGLEPI796ON · Registered 4 years
- EARHEART PLUMBING LLCACTIVE
Concrete, WA · License EARHEPL744JS · Registered less than 1 year
- EARTHHEAT INCACTIVE
Duvall, WA · License EARTHI*792O7 · Registered 5 years
Bellevue, WA · License EASTSRP761P4 · Registered 1 year
Sedro Woolley, WA · License EASTWPI794MN · Registered 5 years
Mercer Island, WA · License ECOELEP746BT · Registered less than 1 year
Mercer Island, WA · License ECOELEPA6175 · Registered 1 year
- ECO PLUMBER, LLCACTIVE
Portland, OR · License ECOPLPL751NH · Registered 1 year
Renton, WA · License ECOPLPH783M1 · Registered 4 years
- ECONOMY PLUMBING INCACTIVE
Poulsbo, WA · License ECONOPI794NW · Registered 5 years
- ECONOMYWISE PLUMBING LLCACTIVE
Seattle, WA · License ECONOPL777DF · Registered 3 years
- ECW PLUMBING LLCACTIVE
Eatonville, WA · License ECWPLPL791MA · Registered 5 years
- ED'S PLUMBING LLCACTIVE
Walla Walla, WA · License EDSPLPL791NR · Registered 4 years
- EDGE PLUMBING LLCACTIVE
Spokane, WA · License EDGEPPL795NB · Registered 5 years
- EDIZ PLUMBINGACTIVE
Port Angeles, WA · License EDIZPP*751D4 · Registered 1 year
- EDL PLUMBING LLCACTIVE
Snohomish, WA · License EDLPLPL791O7 · Registered 4 years
- EDMONDS PLUMBING LLCACTIVE
Lake Stevens, WA · License EDMONPL793O7 · Registered 5 years
- EDWIN PLUMBING LLCACTIVE
Arlington, WA · License EDWINPL790PO · Registered 4 years
- EFFECTIVE PLUMBING LLCACTIVE
Snohomish, WA · License EFFECPL792RO · Registered 4 years
- EK PLUMBING INCACTIVE
Battle Ground, WA · License EKPLUPI794ND · Registered 5 years
- ELAND MECHANICAL LLCACTIVE
Winlock, WA · License ELANDML781ND · Registered 4 years
- ELDEN PLUMBINGACTIVE
Vancouver, WA · License ELDENP*748NJ · Registered less than 1 year
- ELEMENT HOMES LLCACTIVE
East Wenatchee, WA · License ELEMEHL751PG · Registered 1 year
Stanwood, WA · License ELEMEPP750M8 · Registered 1 year
Snohomish, WA · License ELEVAPM776CZ · Registered 3 years
Port Orchard, WA · License ELIHPPR784L4 · Registered 4 years
Spokane Valley, WA · License ELITECP783QC · Registered 3 years
Lacey, WA · License ELITEMS761BC · Registered 2 years
- ELITE MOBILITY MODS LLCACTIVE
Yakima, WA · License ELITEMM748J9 · Registered less than 1 year