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.
Kirkland, WA · License GOLDSPH781J8 · Registered 4 years
- GOLDSTAR PLUMBING LLCACTIVE
Kirkland, WA · License GOLDSPL757N2 · Registered 1 year
- GOOD JOBB PLUMBING LLCACTIVE
Marysville, WA · License GOODJJP743NJ · Registered less than 1 year
- GOOD PLUMBERACTIVE
Auburn, WA · License GOODPP*777BF · Registered 3 years
- GOOD PLUMBING LLCACTIVE
Marysville, WA · License GOODPPL796MB · Registered 5 years
- GOOD-N-TRUE PLUMBING LLCACTIVE
Arlington, WA · License GOODNPL752PC · Registered 1 year
North Bend, WA · License GOODBEP7663C · Registered 2 years
- GOODSON PLUMBING INCACTIVE
Moscow, ID · License GOODSPI796QN · Registered 4 years
Yacolt, WA · License GPSGUGP774PU · Registered 2 years
- GPS PLUMBING INCACTIVE
Monroe, WA · License GPSPLPI786M9 · Registered 3 years
Lynnwood, WA · License GRAHAPI793O7 · Registered 4 years
- GRANT MECHANICAL INCACTIVE
Cle Elum, WA · License GRANTMI795OP · Registered 5 years
- GRAVITY PLUMBINGACTIVE
Richland, WA · License GRAVIP*781CN · Registered 4 years
- GRAVITY PLUMBING LLCACTIVE
Bothell, WA · License GRAVIPL750LO · Registered 1 year
- GRAY SERVICE PLUMBINGACTIVE
Rockford, WA · License GRAYSSP743O8 · Registered less than 1 year
Ocean Shores, WA · License GRAYSHP794NG · Registered 5 years
Leavenworth, WA · License GREATNP790NW · Registered 4 years
Ridgefield, WA · License GREATNI791OO · Registered 4 years
Seattle, WA · License GREENCP766RZ · Registered 1 year
- GREEN EFFECTS INCACTIVE
Pacific, WA · License GREENEI755CL · Registered 1 year
Springdale, WA · License GREENHP792RG · Registered 4 years
- GREEN HOUSE PLUMBING LLCACTIVE
Kirkland, WA · License GREENHP792RC · Registered 4 years
- GREEN RIVER PLUMBING LLCACTIVE
Auburn, WA · License GREENRP773NP · Registered 3 years
Auburn, WA · License GREENCH741OS · Registered less than 1 year
Seattle, WA · License GREENHH7716M · Registered 3 years
Seattle, WA · License GREENTV745CF · Registered less than 1 year
- GREG'S PLUMBING INCACTIVE
Rock Island, WA · License GREGSPI794NG · Registered 4 years
Poulsbo, WA · License GRESHPD799O7 · Registered 5 years
- GRIZZLY PIPEWORKS LLCACTIVE
Deming, WA · License GRIZZPL761OE · Registered 2 years
- GROUNDWORKSACTIVE
Seattle, WA · License GROUN**756KN · Registered 1 year
- GS MECHANICAL LLCACTIVE
Redmond, WA · License GSMECML795RW · Registered 4 years
- GT SOLUTIONSACTIVE
Puyallup, WA · License GTSOLS*740OQ · Registered less than 1 year
- GTC CONSTRUCTION LLCACTIVE
Kennewick, WA · License GTCCOCL786M9 · Registered 4 years
Lewiston, ID · License GUARDPH782PQ · Registered 3 years
- GULL HARBOR PLUMBINGACTIVE
Olympia, WA · License GULLHHP756MS · Registered 1 year
- Gallagher PlumbingACTIVE
Langley, WA · License GALLAP*784PK · Registered 3 years
- Gilbert PlumbingACTIVE
Auburn, WA · License GILBEP*794RW · Registered 4 years
- Gold Seal PlumbingACTIVE
Spokane, WA · License GOLDSSP771K6 · Registered 3 years
Kalama, WA · License GRANIPS743DW · Registered less than 1 year
Seattle, WA · License GREENPP791R3 · Registered 4 years
Enumclaw, WA · License HPLUM*P752N8 · Registered 1 year
- H&L Plumbing LLCACTIVE
Auburn, WA · License HLPLUPL793MF · Registered 5 years
- H2FLOW PLUMBINGACTIVE
Edmonds, WA · License H2FLOP*785BQ · Registered 4 years
Sequim, WA · License H2OPLPC771N2 · Registered 3 years
- H2O PLUMBING LLCACTIVE
Battle Ground, WA · License H2OPLPL791PK · Registered 3 years
- H2O SOLUTIONS INCACTIVE
Spokane, WA · License H2OSOSI784RZ · Registered 3 years
- H2O WELL SERVICEACTIVE
Hayden, ID · License H2OWEWS743M3 · Registered less than 1 year
Woodinville, WA · License HAIGHCI741NF · Registered less than 1 year
- HAMPTON PLUMBING LLCACTIVE
Bellingham, WA · License HAMPTPL765CO · Registered 2 years
- HANDY RANDY PLUMBING LLCACTIVE
Rochester, WA · License HANDYRP767L7 · Registered 2 years