Plumbing contractors in Washington
2,263 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 2,263 active registrations.
- ROCK CONSTRUCTION PLUMBINGEXPIRED
Wilsonville, OR · License ROCKCCP908LZ · First registered 2010
Burien, WA · License ROCKPPP786KF · First registered 2022
- ROCK WELL WATER SYSTEMS & PMPSSUPERCEDED
Chelan, WA · License ROCKWWW793O7 · First registered 2021
- ROCKET PLUMBING LLCEXPIRED
Shelton, WA · License ROCKEPL923C2 · First registered 2008
- ROCKY HILL PLUMBING LLCEXPIRED
Liberty Lake, WA · License ROCKYHP807KF · First registered 2020
- ROD'S PLUMBINGEXPIRED
Mabton, WA · License RODSPP*847B8 · First registered 2016
- RODRIGUEZ PLUMBING LLCRE-LICENSED
Lake Stevens, WA · License RODRIPL842CB · First registered 2016
- ROE'S PLUMBINGEXPIRED
Spokane, WA · License ROESP**036K3 · First registered 1997
- ROEMER ROOTEREXPIRED
Spokane, WA · License ROEMER*794MF · First registered 2021
- ROGER WATTS COEXPIRED
Washougal, WA · License ROGERWC110ND · First registered 1989
- ROHRENBACH PLUMBINGEXPIRED
Spokane, WA · License ROHREP*770PP · First registered 2023
- RON WOOD PLUMBING SERVICEEXPIRED
Wenatchee, WA · License RONWOWP967NF · First registered 2004
- RON'S PLUMBING SERVICESEXPIRED
Vancouver, WA · License RONSPPS781O8 · First registered 2022
Washougal, WA · License ROOTBSC786OB · First registered 2022
Washougal, WA · License ROOTBSC895RM · First registered 2011
- ROOTER-MANRE-LICENSED
Puyallup, WA · License ROOTE**961LT · First registered 2004
Burien, WA · License ROSEPPH824O8 · First registered 2018
- ROSENBACH PLUMBING INCRE-LICENSED
Montesano, WA · License ROSENPI120NA · First registered 1988
- ROSSCO PIPEFITTERS LLCRE-LICENSED
Orting, WA · License ROSSCPL839PJ · First registered 2017
- ROSSCO PLUMBINGRE-LICENSED
Yakima, WA · License ROSSCP*892KU · First registered 2011
- ROTO ROOTEREXPIRED
Spokane, WA · License ROTORR*797M9 · First registered 2021
- ROTO-ROOTER PLUMBING/SRVC COOUT OF BUSINESS
Mission Viejo, CA · License ROTORPC844QT · First registered 2016
- ROWE PLUMBING AND DRAIN LLCEXPIRED
Battle Ground, WA · License ROWEPPD796PL · First registered 2021
- ROWE PLUMBING AND DRAIN LLCRE-LICENSED
Battle Ground, WA · License ROWEPPD868J3 · First registered 2014
- ROYAL FLUSH PLUMBINGEXPIRED
Renton, WA · License ROYALFP794O4 · First registered 2023
- ROYAL FLUSH PLUMBINGEXPIRED
Renton, WA · License ROYALFP819JC · First registered 2019
- ROYAL PLUMBERS LLCEXPIRED
Spokane Valley, WA · License ROYALPL763JW · First registered 2024
- ROYCE PLUMBINGEXPIRED
Orting, WA · License ROYCEP*985CH · First registered 2002
- RS PLUMBING OF AL LLCEXPIRED
Robertsdale, AL · License RSPLUPA784NR · First registered 2022
- RS PLUMBING OF AL LLCEXPIRED
Robertsdale, AL · License RSPLUPA803OB · First registered 2020
- RSC LLC OF TEXASEXPIRED
Galveston, TX · License RSC*LLT854KF · First registered 2015
- RTS WATER SOLUTIONS LLCRE-LICENSED
Valparaiso, IN · License RTSWAWS881OQ · First registered 2012
- RUDY'S PLUMBING INCRE-LICENSED
Bellevue, WA · License RUDYSPI038MA · First registered 1997
- RUSH PLUMBING INCEXPIRED
Seattle, WA · License RUSHPPI903M8 · First registered 2010
- RUSSELL & SONS PLUMBING INCRE-LICENSED
Vancouver, WA · License RUSSESP038PA · First registered 1997
- RYAN OSBURN PLUMBING INCEXPIRED
Warrenton, OR · License RYANOOP822JE · First registered 2020
- RYAN'S CUSTOM PLUMBINGRE-LICENSED
Edmonds, WA · License RYANSCP866BP · First registered 2014
- RYAN'S CUSTOM PLUMBING INCEXPIRED
Edmonds, WA · License RYANSCP784KB · First registered 2022
- RYAN'S CUSTOM PLUMBING INCRE-LICENSED
Edmonds, WA · License RYANSCP805B2 · First registered 2020
- RYAN'S PLUMBING INCSUPERCEDED
Vancouver, WA · License RYANSPI797MH · First registered 2021
- RYCO PLUMBING LLCRE-LICENSED
Enumclaw, WA · License RYCOPPL795KD · First registered 2021
- RYCO PLUMBING LLCEXPIRED
Enumclaw, WA · License RYCOPPL798MR · First registered 2021
- Rain City Plbg & Swr Rpr LLCEXPIRED
Seattle, WA · License RAINCCP791OO · First registered 2022
- Rain City Plbg & Swr Rpr LLCEXPIRED
Seattle, WA · License RAINCCP878DD · First registered 2013
- Rainbow Water CompanyEXPIRED
Olympia, WA · License RAINBWC921QC · First registered 2008
- Raven MechanicalRE-LICENSED
Poulsbo, WA · License RAVENM*878OO · First registered 2013
- Raybell PlumbingEXPIRED
Bonney Lake, WA · License RAYBEP*784CM · First registered 2022
- Regulators Plumbing LLCEXPIRED
Lynnwood, WA · License REGULPL852OA · First registered 2015
- Roosevelt PlumbingEXPIRED
Ocean Shores, WA · License ROOSEP*843OB · First registered 2016
- S C MECHANICALRE-LICENSED
Carbonado, WA · License SCMEC**984O6 · First registered 2002