Plumbing contractors in Washington

2,262 active registrations

Businesses by registered name and license number. Show all 4,448 registrations on record, including expired.

• ALWAYS TESTING INCACTIVE

  Mountlake Terrace, WA · License ALWAYTI782L7 · Registered 4 years

• AM-PM PLUMBING & SEWER LLCACTIVE

  Bothell, WA · License AMPMPPS783JJ · Registered 4 years

• AMEN-PTAH'S PLUMBING CONSTACTIVE

  Lynnwood, WA · License AMENPPC756JZ · Registered 1 year

• AMERICA NW PLBG HTG & CLNG INCACTIVE

  Post Falls, ID · License AMERINP76173 · Registered 1 year

• AMERICAN BACKFLOW/PLBG SRV INCACTIVE

  Portland, OR · License AMERIBS780QN · Registered 3 years

• AMERICAN CRAFTSMAN P & H LLCACTIVE

  Kent, WA · License AMERICP786L2 · Registered 4 years

• AMERICAN MAINS AND DRAINS LLCACTIVE

  Puyallup, WA · License AMERIMD762MA · Registered 2 years

• AMERICAN MECHANICAL CORPACTIVE

  Burien, WA · License AMERIMC796MG · Registered 5 years

• AMERICAN PUMP AND DRILLINGACTIVE

  Tumwater, WA · License AMERIPD781PQ · Registered 3 years

• AMERICAN PUMP AND DRILLINGACTIVE

  Tumwater, WA · License AMERIPD783PD · Registered 3 years

• AMG PLUMBING SERVICE LLCACTIVE

  Longview, WA · License AMGPLPS745CF · Registered less than 1 year

• AMO'S ABOVE AVERAGE PLMBNG INACTIVE

  Spokane, WA · License AMOSAAA797NQ · Registered 4 years

• ANCOR PLUMBING COMPANY LLCACTIVE

  Washougal, WA · License ANCORPC772B6 · Registered 3 years

• ANDERSON DRILLING LLCACTIVE

  Lake Stevens, WA · License ANDERDL789CQ · Registered 4 years

• ANDERSON'S SHEET METAL HTG/ACACTIVE

  Spokane Valley, WA · License ANDERSM779B5 · Registered 3 years

• ANDGAR HOME COMFORTACTIVE

  Ferndale, WA · License ANDGAHC763O5 · Registered 2 years

• ANDGAR MECHANICAL LLCACTIVE

  Ferndale, WA · License ANDGAML796MT · Registered 5 years

• ANDREWS MECHANICAL INCACTIVE

  Spokane, WA · License ANDREMI795MW · Registered 5 years

• ANDREWS PLUMBING INCACTIVE

  Snohomish, WA · License ANDREPI792MK · Registered 5 years

• ANDY JAHN PLUMBING & RTR LLCACTIVE

  Ravensdale, WA · License ANDYJJP793NP · Registered 3 years

• ANEWHERE PLUMBINGACTIVE

  Seabeck, WA · License ANEWHP*793RH · Registered 3 years

• ANGELES PLUMBING LLCACTIVE

  Port Angeles, WA · License ANGELPL786RN · Registered 3 years

• ANK CONSTRUCTION INCACTIVE

  Renton, WA · License ANKCOCI759MH · Registered 1 year

• ANTHONY'S PLUMBINGACTIVE

  Kelso, WA · License ANTHOP*759D7 · Registered 1 year

• ANTHONY'S PLUMBING COMPANYACTIVE

  Seattle, WA · License ANTHOPC791NR · Registered 5 years

• APEX BACKFLOW SERVICESACTIVE

  Puyallup, WA · License APEXBBS776P7 · Registered 2 years

• APEX MECHANICAL LLCACTIVE

  Battle Ground, WA · License APEXMML790MG · Registered 5 years

• APEX MECHANICAL WA LLCACTIVE

  Colville, WA · License APEXMMW746ON · Registered less than 1 year

• APEX PLBG & MECH PIPING LLCACTIVE

  Yakima, WA · License APEXPPM795MA · Registered 5 years

• APEX PLUMBINGACTIVE

  Bellingham, WA · License APEXPP*765JN · Registered 2 years

• APEX PLUMBING LLCACTIVE

  Covington, WA · License APEXPPL748D4 · Registered less than 1 year

• APH PLUMBING LLCACTIVE

  Bow, WA · License APHPLPL746D7 · Registered less than 1 year

• APOLLO DRAIN & ROOTER SRVC INCACTIVE

  Troutdale, OR · License APOLLDR793OB · Registered 5 years

• APOLLO DRAIN SERVICE LLCACTIVE

  Freeland, WA · License APOLLDS823MR · Registered 8 years

• APOLLO MECHANICAL CONTRACTORSACTIVE

  Kennewick, WA · License APOLLMC795NR · Registered 5 years

• APOLLO PLUMBING LLCACTIVE

  Everett, WA · License APOLLPL795QN · Registered 4 years

• APP-ServicesACTIVE

  Graham, WA · License APPSE**791M9 · Registered 5 years

• APPROVED PLUMBING AND HEATINGACTIVE

  Bainbridge Island, WA · License APPROPH781L4 · Registered 3 years

• APS PLUMBING LLCACTIVE

  Renton, WA · License APSPLPL794OB · Registered 5 years

• AQUA BACKFLOW TESTINGACTIVE

  Sumner, WA · License AQUABBT927CD · Registered 18 years

• AQUA CIVIUM PLUMBINGACTIVE

  Shoreline, WA · License AQUACCP781QN · Registered 3 years

• AQUA LIFE PLUMBING LLCACTIVE

  Bellevue, WA · License AQUALLP763BT · Registered 2 years

• AQUA STAR PLUMBING LLCACTIVE

  Vancouver, WA · License AQUASSP780BQ · Registered 4 years

• AQUACARE ENVIRONMENT INCACTIVE

  Bellingham, WA · License AQUACEI914JB · Registered 17 years

• AQUAFLOW PLUMBING LLCACTIVE

  Bremerton, WA · License AQUAFPL750QS · Registered less than 1 year

• AQUAFLOW PLUMBING LLCACTIVE

  Silverdale, WA · License AQUAFPL755RH · Registered less than 1 year

• AQUASHAUNS PLUMBING LLCACTIVE

  Stanwood, WA · License AQUASPL749MU · Registered less than 1 year

• AQUATECHS WATER HEATERACTIVE

  Seattle, WA · License AQUATWH755RN · Registered less than 1 year

• AQUAWORKS COACTIVE

  Lake Stevens, WA · License AQUAWC*746MS · Registered less than 1 year

• ARC PLUMBING WORKS LLCACTIVE

  Kirkland, WA · License ARCPLPW745MB · Registered less than 1 year