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.
- TARKKA PLUMBINGACTIVE
Woodland, WA · License TARKKP*763RT · Registered 1 year
- TAS MECHANICAL LLCACTIVE
Spokane, WA · License TASMEML746JF · Registered less than 1 year
Woodinville, WA · License TAYLOHC747CE · Registered less than 1 year
Seattle, WA · License TAYLOPG761OE · Registered 2 years
Lake Stevens, WA · License TAYLOPS792NG · Registered 5 years
- TAYLORED PLUMBING LLCACTIVE
Hayden, ID · License TAYLOPL787QN · Registered 3 years
Kirkland, WA · License TECHCCP785LP · Registered 4 years
- TECHNICAL PLUMBING INCACTIVE
Yacolt, WA · License TECHNPI780DC · Registered 4 years
- TED HUNT PLUMBINGACTIVE
Port Orchard, WA · License TEDHUHP782LP · Registered 2 years
- TEMCO LOGISTICSACTIVE
Irvine, CA · License TEMCOL*742LS · Registered less than 1 year
Battle Ground, WA · License TERMIVP782JH · Registered 4 years
- TERRA INSTALL LLCACTIVE
Burien, WA · License TERRAIL755RT · Registered less than 1 year
Spokane, WA · License THAISPS799O1 · Registered 5 years
- THAT DRAIN GUY LLCACTIVE
Vancouver, WA · License THATDDG774RE · Registered 2 years
Auburn, WA · License BRIGHBP788DC · Registered 4 years
- THE CLOG DOCTORACTIVE
Coeur D Alene, ID · License CLOGDCD761JR · Registered 2 years
- THE DRAIN AUTHORITY LLCACTIVE
Seattle, WA · License DRAINDA756MA · Registered 1 year
- THE DRAIN SURGEONACTIVE
Richland, WA · License DRAINDS785B6 · Registered 4 years
Burlington, WA · License GENERGP795O8 · Registered 4 years
- THE JANES COMPANY, INCACTIVE
Mukilteo, WA · License JANESJC743DW · Registered less than 1 year
Millwood, WA · License LOCALLG769B6 · Registered 2 years
Tacoma, WA · License PLUMBPD764KU · Registered 2 years
Port Angeles, WA · License PLUMBPC791OA · Registered 3 years
- THE PLUMBING GEEKACTIVE
Seattle, WA · License PLUMBPG781LG · Registered 4 years
Lynnwood, WA · License PLUMBPP767B4 · Registered 2 years
- THE PUMP COMPANY LLCACTIVE
Yakima, WA · License PUMPCPC770KT · Registered 3 years
- THE SPARTAN PLUMBERACTIVE
Forks, WA · License SPARTSP776RQ · Registered 2 years
- THE SUPPLE PLUMBER LLCACTIVE
Renton, WA · License SUPPLSP790NG · Registered 5 years
- THEGOLDENAGEPLUMBING LLCACTIVE
Woodinville, WA · License THEGOL*743CP · Registered less than 1 year
- THERMAL-KING INCACTIVE
Liberty Lake, WA · License THERMI*761DQ · Registered 2 years
Hauser, ID · License THOMABP780KQ · Registered 4 years
- THOMPSON'S PLUMBINGACTIVE
Bremerton, WA · License THOMPP*774C2 · Registered 3 years
- THORNLEY PLUMBING LLCACTIVE
Kenmore, WA · License THORNPL764RL · Registered 1 year
Battle Ground, WA · License THREEBP787BR · Registered 4 years
Oak Harbor, WA · License THREEDM777BE · Registered 3 years
- THREE KINGS PLUMBING LLCACTIVE
Parkland, WA · License THREEKP776N2 · Registered 3 years
Kennewick, WA · License THREERM781BL · Registered 4 years
- THREE SONS PLUMBING LLCACTIVE
Kalama, WA · License THREESP781C4 · Registered 4 years
- THREE V PLUMBING COMPANYACTIVE
Post Falls, ID · License THREEVP796MK · Registered 5 years
- THRIFTWAY PLUMBING INCACTIVE
Federal Way, WA · License THRIFPI791O2 · Registered 5 years
Battle Ground, WA · License THUMBUP773DP · Registered 3 years
- THUNDER COMPANYACTIVE
Mazama, WA · License THUNDC*795O4 · Registered 5 years
- TIBBITTS CONSTRUCTIONACTIVE
Tacoma, WA · License TIBBIC*793OA · Registered 5 years
Anacortes, WA · License TIDEWWP791MA · Registered 5 years
- TIER 1 PLUMBINGACTIVE
Dayton, WA · License TIER11P752LF · Registered 1 year
- TIGHTEN PLUMBING LLCACTIVE
Lake Tapps, WA · License TIGHTPL756KW · Registered 1 year
- TIMBERLINE PLUMBINGACTIVE
Brier, WA · License TIMBEP*740L2 · Registered less than 1 year
- TITAN MECHANICAL INCACTIVE
Spokane, WA · License TITANMI776JJ · Registered 3 years
- TK Plumbing LLCACTIVE
Gresham, OR · License TKPLUPL781OA · Registered 4 years
- TLR PLUMBING NWACTIVE
Stanwood, WA · License TLRPLPN741LB · Registered less than 1 year