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.
- POITEVINT, MICHAELEXPIRED
Spokane Valley, WA · License POITEM*961O2 · First registered 2004
- PORT GARDNER PLUMBINGEXPIRED
Everett, WA · License PORTGGP780D9 · First registered 2022
- PORT GARDNER PLUMBINGEXPIRED
Everett, WA · License PORTGGP941K4 · First registered 2006
Longview, WA · License PORTLMC787JH · First registered 2022
- POSEIDON PLUMBING LLCEXPIRED
Olympia, WA · License POSEIPL815NM · First registered 2019
Moscow, ID · License POWELPH119OE · First registered 1989
- POWER PLUMBING CORE-LICENSED
Portland, OR · License POWERPC100LA · First registered 1990
- PRACTICAL PLUMBING INCEXPIRED
North Bend, WA · License PRACTPI895K5 · First registered 2011
- PRE PLUMBINGEXPIRED
Spokane, WA · License PREPL**990CW · First registered 2001
- PRECISE PLUMBING LLCEXPIRED
Wenatchee, WA · License PRECIPL798O7 · First registered 2021
- PRECISION PLUMBING & RPR INCRE-LICENSED
McCleary, WA · License PRECIPR944CA · First registered 2006
- PRECISION PLUMBING/SUPPLY INCRE-LICENSED
Pasco, WA · License PRECIPS971ON · First registered 2003
- PRECISION WATERLINESEXPIRED
North Bend, WA · License PRECIW*835R6 · First registered 2017
Redmond, WA · License PREFEPM7768L · First registered 2023
- PREFERRED PLUMBING INCRE-LICENSED
Bellevue, WA · License PREFEPI011NW · First registered 1999
- PREMIER PLUMBING AND DRAINOUT OF BUSINESS
Auburn, WA · License PREMIPD822N8 · First registered 2018
Kirkland, WA · License PREMIPM878KF · First registered 2013
- PREMIUM VALLEY CONTRCTNG LLCSUPERCEDED
Kent, WA · License PREMIVC766DN · First registered 2024
- PRESTON PLUMBING INCEXPIRED
Port Orchard, WA · License PRESTPI843KL · First registered 2016
- PRESTONS PLBG/GNRL CONST LLCEXPIRED
Milton, WA · License PRESTPC784OA · First registered 2022
- PREVISION PLUMBING LLCRE-LICENSED
Moses Lake, WA · License PREVIPL799DH · First registered 2021
- PRICE BUSTERS PLUMBINGSUSPENDED
Lynnwood, WA · License PRICEBP752NE · First registered 2025
- PRICE BUSTERS PLUMBINGSUPERCEDED
Lynnwood, WA · License PRICEBP780O1 · First registered 2024
- PRIDE PUMP LLCSUPERCEDED
Chattaroy, WA · License PRIDEPL780JF · First registered 2022
- PRIMA PLUMBINGRE-LICENSED
Seattle, WA · License PRIMAP*004J4 · First registered 2000
- PRIMA PLUMBINGEXPIRED
Seattle, WA · License PRIMAP*795OB · First registered 2022
- PRIME PLUMBING & HEATING LLCSUSPENDED
Vashon, WA · License PRIMEPH792O7 · First registered 2021
- PRIME PLUMBING & HEATING LLCRE-LICENSED
Vashon, WA · License PRIMEPH899N4 · First registered 2011
Kent, WA · License PRIMESP767KG · First registered 2024
- PRIORITY PLUMBING & MECH LLCEXPIRED
Auburn, WA · License PRIORPM844C4 · First registered 2016
Pasco, WA · License PRIORPS786RZ · First registered 2022
Pasco, WA · License PRIORPS826RM · First registered 2018
- PRIORITY PLUMBING LLCEXPIRED
Auburn, WA · License PRIORPL790NP · First registered 2021
- PROFESSIONAL PLUMBING LLCSUSPENDED
Lynnwood, WA · License PROFEPL781PQ · First registered 2023
- PROFICIENT PLUMBING LLCRE-LICENSED
Vancouver, WA · License PROFIPL870PN · First registered 2013
- PROGRESSIVE DESIGN PLBG LLCEXPIRED
Yakima, WA · License PROGRDP964DB · First registered 2004
- PRONTO PLUMBING SERVICEEXPIRED
White Salmon, WA · License PRONTPS033LC · First registered 1997
- PROPLUMB LLCRE-LICENSED
Kent, WA · License PROPLL*912PW · First registered 2009
- PROTOCOL PLUMBING & SEWERRE-LICENSED
Marysville, WA · License PROTOPS945QO · First registered 2006
- PROWESS MANAGEMENT LLCEXPIRED
Seattle, WA · License PROWEML776N9 · First registered 2023
- PTI RESIDENTIAL & COM SERV LLCOUT OF BUSINESS
Arlington, WA · License PTIRERC771JR · First registered 2023
- PUGET PLUMBING INCRE-LICENSED
Buckley, WA · License PUGETPI011RG · First registered 1999
- PUGET PLUMBING INCEXPIRED
Ferndale, WA · License PUGETPI790M2 · First registered 2021
- PUGET SOUND PLUMBINGEXPIRED
Port Orchard, WA · License PUGETSP889NA · First registered 2012
Wauna, WA · License PURDYPR793O9 · First registered 2022
- PURE COMMERCIAL PLUMBINGEXPIRED
Gresham, OR · License PURECCP915DT · First registered 2009
- PURE FLOW PLUMBING LLCEXPIRED
Des Moines, WA · License PUREFFP810BN · First registered 2019
- PURE FLOW TESTING LLCEXPIRED
Redmond, WA · License PUREFFT872D7 · First registered 2013
- PURE WATER NORTHWESTOUT OF BUSINESS
Port Orchard, WA · License PUREWWN824MK · First registered 2018
- PWR PLUMBING LLCSUSPENDED
Spokane, WA · License PWRPLPL784RK · First registered 2022