Plumbing contractors licensed in Washington

Every active Washington license that lists plumbing work, sorted by name.

• Mvm Quality Drilling LLC
  Plumbing, Landscaping · Chelan · #MVMQUVM781KD
  Active Insurance current
• Mvp Plumbing LLC
  Plumbing · Puyallup · #MVPPLL*769RS
  Active Insurance current
• Mx Plumbing INC
  Plumbing · Lake Stevens · #MXPLUPI777JJ
  Active Insurance current
• My Guy Plumbing & Service INC
  Plumbing · Athol · #MYGUYGP760C7
  Active Insurance current
• My Phd Services INC
  Plumbing · Puyallup · #MYPHDPS760DA
  Active Insurance current
• My Plumber LLC
  Plumbing · Vancouver · #MYPLUPL788BR
  Active Insurance current
• Mykol Pump Drilling INC
  Plumbing · Olympia · #MYKOLPD788DC
  Active Insurance current
• N & T Plumbing INC
  Plumbing · Vancouver · #NTPLUPI763K4
  Active Insurance current
• Nair's Plumbing
  Plumbing · Shoreline · #NAIRSP*782LN
  Active Insurance current
• Nate's Plumbing
  Plumbing · Brush Prairie · #NATESP*771CP
  Active Insurance current
• Natural 20 Plumbing LLC
  Plumbing · Spokane · #NATUR2P767LM
  Active Insurance current
• Navy Plumbing LLC
  Plumbing · Tacoma · #NAVYPPL771BR
  Active Insurance current
• Neer's Plumbing & Pumps
  Plumbing · Ferndale · #NEERSPP773D9
  Active Insurance current
• Neptune Plumbing LLC
  Plumbing · Burien · #NEPTUPL762K1
  Active Insurance current
• Nero Plumbing
  Plumbing · Seattle · #NEROPP*742OQ
  Active Insurance current
• New Beginnings Plumbing INC
  Plumbing · Everett · #NEWBEBP795RH
  Active Insurance current
• New Harvest Plumbing LLC
  Plumbing · Spokane · #NEWHAHP744B3
  Active Insurance current
• Newton Family Plumbing LLC
  Plumbing · Graham · #NEWTOFP785JN
  Active Insurance current
• Newton Plumbing INC
  Plumbing · Puyallup · #NEWTOPI789DA
  Active Insurance current
• Newton's Plumbing
  Plumbing · Mount Vernon · #NEWTOP*788B7
  Active Insurance current
• Newway Energy & Hometechnic
  Plumbing · Snohomish · #NEWWAEH799O9
  Active Insurance current
• Next Ridge Plumbing LLC
  Plumbing · Ellensburg · #NEXTRRP755QD
  Active Insurance current
• Nic's Plumbing LLC
  Plumbing · Seattle · #NICSPPL742MN
  Active Insurance current
• Nicholson Drilling INC
  Plumbing, Landscaping · Port Orchard · #NICHODI783KB
  Active Insurance current
• Nick of Time Plumbing
  Plumbing · Marysville · #NICKTTP751LB
  Active Insurance current
• Nielsen Pump Service LLC
  Plumbing · Burbank · #NIELSPS752BP
  Active Insurance current
• Nirvana Mechanical LLC
  Plumbing · Tukwila · #NIRVAML787BQ
  Active Insurance current
• Nirvana Plumbing INC
  Plumbing · Kent · #NIRVAPI794RH
  Active Insurance current
• Noble Plumbing LLC
  Plumbing · Snoqualmie · #NOBLEPL772BE
  Active Insurance current
• Nobleman's Plumbing
  Plumbing · Deer Park · #NOBLEP*794MB
  Active Insurance current
• Nokk Construction LLC
  Plumbing · Nine Mile Falls · #NOKKCCL794OO
  Active Insurance current
• Nordic Temperature Control INC
  Plumbing · Burlington · #NORDITC744BF
  Active Insurance current
• North Coast Plumbing INC
  Plumbing · North Bend · #NORTHCP788KB
  Active Insurance current
• North Forge Plumbing LLC
  Plumbing · Everett · #NORTHFP741OW
  Active Insurance current
• North Fork Plumbing LLC
  Plumbing · La Center · #NORTHFP782QN
  Active Insurance current
• North Hill Sewer & Drain LLC
  Plumbing · Des Moines · #NORTHHS756C4
  Active Insurance current
• North Peak Plumbing LLC
  Plumbing · Bothell · #NORTHPP743LW
  Active Insurance current
• North Plumbing LLC
  Plumbing · Ariel · #NORTHPL772K5
  Active Insurance current
• North Shore Plumbing LLC
  Plumbing · Bellingham · #NORTHSP767K2
  Active Insurance current
• Northern Crest Plumbing
  Plumbing · Chehalis · #NORTHCP749JO
  Active Insurance current
• Northern Lakes Plumbing CO LLC
  Plumbing · Hauser · #NORTHLP784KQ
  Active Insurance current
• Northern Lghts Const Group LLC
  Plumbing · Elk · #NORTHLC753LE
  Active Insurance current
• Northern Peak Plmng & Cont LLC
  Plumbing · Mead · #NORTHPP744K6
  Active Insurance current
• Northern Water & Power LLC
  Plumbing · Post Falls · #NORTHWP740M3
  Active Insurance current
• Northern Water & Power LLC
  Plumbing, Landscaping · Post Falls · #NORTHWP764J2
  Active Insurance current
• Northern Waters INC
  Plumbing · Edmonds · #NORTHWI785R7
  Active Insurance current
• Northside Heat & Cool
  Plumbing · Colville · #NORTHHC777R8
  Active Insurance current
• Northstar Plumbing LLC
  Plumbing · Battle Ground · #NORTHPL753NA
  Active Insurance current
• Northwest Bath Specialists LLC
  Plumbing · Greenacres · #NORTHBS781DA
  Active Insurance current
• Northwest Fire Systems LLC
  Plumbing · Kent · #NORTHFS790NU
  Active Insurance current
• Northwest Hydrojetting LLC
  Plumbing · Tacoma · #NORTHHL769BD
  Active Insurance expiring soon
• Northwest Mechanical
  Plumbing · Woodinville · #NORTHM*760NG
  Active Insurance current
• Northwest Mechanical Group LLC
  Plumbing · Canby · #NORTHMG756LE
  Active Insurance current
• Northwest Pipeworks LLC
  Plumbing · Hood River · #NORTHPL787PD
  Active Insurance current
• Northwest Plbg/Waterworks INC
  Plumbing · Friday Harbor · #NORTHPI790MG
  Active Insurance current
• Northwest Plumbing Cnnctn INC
  Plumbing · Tacoma · #NORTHPC793MF
  Active Insurance current
• Northwest Plumbing Contrs INC
  Plumbing · Arlington · #NORTHPC797PL
  Active Insurance current
• Northwest Plumbing LLC
  Plumbing · Kent · #NORTHPL778LB
  Active Insurance current
• Northwest Plumbing Sltns LLC
  Plumbing · Kent · #NORTHPS793NQ
  Active Insurance current
• Northwest Plumbing Srvcs INC
  Plumbing · Bellingham · #NORTHPS797O3
  Active Insurance current
• Northwest Rfrg Serv LLC
  Plumbing · West Richland · #NORTHRS763PN
  Active Insurance current
• Nowak Custom Plumbing LLC
  Plumbing · Snohomish · #NOWAKCP793O7
  Active Insurance current
• Npm Plumbing & Mech INC
  Plumbing · Seattle · #NPMPLPM773JR
  Active Insurance current
• NW Custom Plumbing LLC
  Plumbing · Mount Vernon · #NWCUSCP791RM
  Active Insurance expiring soon
• NW Evergreen Plumbing LLC
  Plumbing · Tacoma · #NWEVEEP745MO
  Active Insurance current
• NW Plumbing & Repair LLC
  Plumbing · Des Moines · #NWPLUPR760CE
  Active Insurance current
• NW Sundance Services INC
  Plumbing · Clackamas · #NWSUNSS792MK
  Active Insurance current
• O'brien Plumbing
  Plumbing · Seattle · #OBRIEP*776L7
  Active Insurance current
• O'connell Drilling/Supply LLC
  Plumbing, Landscaping · Brewster · #OCONNDL780KC
  Active Insurance current
• O'grady Plumbing LLC
  Plumbing · Bellevue · #OGRADPL779OH
  Active Insurance current
• O'neill Plumbing CO
  Plumbing · Seattle · #ONEILPC793ND
  Active Insurance current
• Oak Plumbing LLC
  Plumbing · Battle Ground · #OAKPLPL780NE
  Active Insurance current
• Oasis Plumbing & Const INC
  Plumbing · Oregon City · #OASISPC797OA
  Active Insurance current
• Oasis Well Drilling INC
  Plumbing, Landscaping · Port Angeles · #OASISWD780J2
  Active Insurance current
• Ocean Park Mechanical INC
  Plumbing · Seattle · #OCEANPM792NW
  Active Insurance current
• Ocean Plumbing LLC
  Plumbing · Renton · #OCEANPL773OJ
  Active Insurance current
• Odie's Plumbing
  Plumbing · Eastsound · #ODIESP*774OA
  Active Insurance current
• Odyssey Plumbing
  Plumbing · Seattle · #ODYSSP*772PO
  Active Insurance current
• Ogborn Plumbing Cntrng INC
  Plumbing · Tonasket · #OGBORPC771C2
  Active Insurance current
• Ohana Plumbing LLC
  Plumbing · Snohomish · #OHANAPL748BF
  Active Insurance expiring soon
• Ok Mechanical LLC
  Plumbing · Chattaroy · #OKMECML777B4
  Active Insurance current
• Okanogan Drilling & Dev CO
  Plumbing, Landscaping · Omak · #OKANODD787DD
  Active Insurance current
• Old Skool Plumbing Services
  Plumbing · Olympia · #OLDSKSP741LE
  Active Insurance current
• Olson Plumbing LLC
  Plumbing · Stanwood · #OLSONPL773B5
  Active Insurance current
• Olympic Plumbing
  Plumbing · Shelton · #OLYMPP*788JJ
  Active Insurance current
• Olympic Plumbing Solutions LLC
  Plumbing · Southworth · #OLYMPPS780KB
  Active Insurance current
• Olympic Plumbing Technolgy LLC
  Plumbing · Olympia · #OLYMPPT799NS
  Active Insurance current
• Olympus Plumbing LLC
  Plumbing · Port Angeles · #OLYMPPL799RW
  Active Insurance current
• Omak Machine Shop INC
  Plumbing, Landscaping · Omak · #OMAKMMS784DD
  Active Insurance current
• On Point Plumbing LLC
  Plumbing · Spokane · #POINTPP774PL
  Active Insurance current
• On the Level Plumbing INC
  Plumbing · Olympia · #LEVELLP791NR
  Active Insurance current
• On the Spot Const Service INC
  Plumbing · Lake Stevens · #SPOTCSC797O9
  Active Insurance current
• One Way Plumbing LLC
  Plumbing · Kirkland · #ONEWAWP798M8
  Active Insurance current
• Optimal Backflow LLC
  Plumbing · Lynnwood · #OPTIMBL743JC
  Active Insurance current
• Optimal Home Experts LLC
  Plumbing · Everett · #OPTIMHE740NM
  Active Insurance current
• Orcas Island Plumbng & Htg LLC
  Plumbing · Eastsound · #ORCASIP790ML
  Active Insurance current
• Orchard & Vineyard Supply LLC
  Plumbing, Landscaping · Yakima · #ORCHAVS742LD
  Active Insurance current
• Oregon Mechanical Group LLC
  Plumbing · Damascus · #OREGOMG768KG
  Active Insurance current
• Otter Plumbing LLC
  Plumbing · Maple Valley · #OTTERPL798NE
  Active Insurance current
• Outwest Contracting & Elec
  Plumbing, Landscaping · Napavine · #OUTWECE776CL
  Active Insurance date unknown

Last checked against state records on Oct 7, 2026. How we get this data.