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.
- ARCADIA DRILLING INCACTIVE
Shelton, WA · License ARCADDI795OO · Registered 5 years
- ARCHER CONSTRUCTION INCACTIVE
Kent, WA · License ARCHECI768PS · Registered 2 years
Shoreline, WA · License ARCHIPS783M9 · Registered 4 years
- ARCTIC SHEET METAL INCACTIVE
Portland, OR · License ARCTISM778D9 · Registered 3 years
- ARIES MECHANICAL INCACTIVE
Tacoma, WA · License ARIESMI788L7 · Registered 4 years
- ARISTO MECHANICAL COACTIVE
Auburn, WA · License ARISTMC781DA · Registered 4 years
Raymond, WA · License ARKPLPS795NL · Registered 4 years
Walla Walla, WA · License ARMSTPM754KW · Registered 1 year
- ARNOLD'S PLUMBINGACTIVE
Port Orchard, WA · License ARNOLP*770NH · Registered 3 years
- ARNS PLUMBING LLCACTIVE
Brush Prairie, WA · License ARNSPPL772M4 · Registered 3 years
Spokane, WA · License ARROWPS770JE · Registered 3 years
- ARROW STONE PLUMBING LLCACTIVE
Yakima, WA · License ARROWSP754NN · Registered 1 year
- ARROWHEAD PLUMBING LLCACTIVE
Issaquah, WA · License ARROWPL767PM · Registered 1 year
- ART OF PLUMBING, THEACTIVE
Kenmore, WA · License ARTPLP*794NE · Registered 5 years
- ARTEMIS PLUMBING LLCACTIVE
Burien, WA · License ARTEMPL796MF · Registered 5 years
Enumclaw, WA · License ARTISPM797OB · Registered 4 years
- ARTIZAN ELECTRIC LLCACTIVE
Pullman, WA · License ARTIZEL760O4 · Registered 2 years
- AS PLUMBING & WH LLCACTIVE
Yakima, WA · License ASPLUPW784PM · Registered 3 years
- AS YOU WISH ELECTRICACTIVE
Renton, WA · License ASYOUYW754CF · Registered 1 year
- ASAP PLUMBING INCACTIVE
Wenatchee, WA · License ASAPPPI787LP · Registered 4 years
Rathdrum, ID · License ASCENMP794OT · Registered 4 years
Arlington, WA · License ASPENPS751LE · Registered 1 year
- ASSOCIATED PLUMBING COACTIVE
Gresham, OR · License ASSOCPC772J5 · Registered 3 years
University Place, WA · License YOURSYS799OB · Registered 5 years
- ATI PLUMBING INCACTIVE
Oregon City, OR · License ATIPLPI780LG · Registered 4 years
- ATLAS ESSENTIALS 7 LLCACTIVE
Snohomish, WA · License ATLASE7764RK · Registered 1 year
- ATLAS MECHANICAL INCACTIVE
Woodland, WA · License ATLASMI784BQ · Registered 4 years
Woodland, WA · License ATLASPC792MF · Registered 4 years
- AUBURN MECHANICAL INCACTIVE
Auburn, WA · License AUBURMI797OB · Registered 5 years
- AUCKLAND PLUMBING INCACTIVE
Lyman, WA · License AUCKLPI776LF · Registered 3 years
- AURORA PLUMBINGACTIVE
Seattle, WA · License AURORP*798NZ · Registered 5 years
- AV PLUMBING LLCACTIVE
Ellensburg, WA · License AVPLUPL775JF · Registered 3 years
- AVALON CONTRACTING INCACTIVE
Tacoma, WA · License AVALOCI789MF · Registered 4 years
- AWA BACKFLOWACTIVE
Malott, WA · License AWABAB*780NA · Registered 4 years
- AXIOM PLUMBING & SEWERSACTIVE
Troutdale, OR · License AXIOMPS764NO · Registered 2 years
Lynnwood, WA · License AXIOMPS754JC · Registered 1 year
- AXIS BACKFLOW TESTINGACTIVE
Lake Forest Park, WA · License AXISBBT782DA · Registered 4 years
- AZTEC PLUMBING LLCACTIVE
Bothell, WA · License AZTECPL762OF · Registered 2 years
- Acqua Plumbing LLCACTIVE
Tacoma, WA · License ACQUAPL787BR · Registered 4 years
Marysville, WA · License ADAMSPF796OC · Registered 5 years
Kent, WA · License ADEPTMS794O4 · Registered 5 years
- Alden Plumbing LLCACTIVE
Walla Walla, WA · License ALDENPL791MT · Registered 5 years
West Richland, WA · License ATOMIPM795QN · Registered 3 years
- B & R PLUMBING INCACTIVE
Spanaway, WA · License BRPLURP763O5 · Registered 2 years
- B & W PLUMBING LLCACTIVE
Walla Walla, WA · License BWPLUWP743LD · Registered less than 1 year
- B P & C S Company LLCACTIVE
Tacoma, WA · License BPCSCPC795M2 · Registered 5 years
Olympia, WA · License BPPLUPP790OA · Registered 5 years
- B P SERVICES LLCACTIVE
Edgewood, WA · License BPSERPS772JC · Registered 3 years
- B R PLUMBINGACTIVE
Battle Ground, WA · License BRPLUP*784Q9 · Registered 3 years
Damascus, OR · License BGEXCEP785BQ · Registered 4 years