Plumbing contractors licensed in Washington

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

• Max Plumbing Services INC
  Plumbing · Cornelius · #MAXPLPS786BO
  Active Insurance current
• Maxwell Plumbing LLC
  Plumbing · Camas · #MAXWEPL768KO
  Active Insurance current
• Mb Plumbing
  Plumbing · Camano Island · #MBPLUP*783QA
  Active Insurance current
• Mb Plumbing & Services LLC
  Plumbing · Burien · #MBPLUPS774QP
  Active Insurance current
• Mc Pipemasters LLC
  Plumbing · Gig Harbor · #MCPIPPL774B4
  Active Insurance current
• Mcauliffe Plumbing INC
  Plumbing · Snohomish · #MCAULPI750KA
  Active Insurance current
• Mcclintock & Turk INC
  Plumbing · Spokane · #MCCLITI772KH
  Active Insurance expiring soon
• Mccoy Plumbing & Heating INC
  Plumbing · Viola · #MCCOYPH777MU
  Active Insurance current
• Mcgee Plumbing CO INC
  Plumbing · Washougal · #MCGEEPC791RD
  Active Insurance current
• Mckay's Plumbing LLC
  Plumbing · Lynden · #MCKAYPL774LA
  Active Insurance current
• Mckinstry CO LLC
  Plumbing · Seattle · #MCKINCL793NG
  Active Insurance current
• Mclane Plumbing & Const INC
  Plumbing · Central Point · #MCLANPC775JK
  Active Insurance current
• Mclass Plumbing & Construction
  Plumbing · Curtis · #MCLASPC7749D
  Active Insurance current
• Mclendon Home Services
  Plumbing · Tukwila · #MCLENHS781L3
  Active Insurance current
• Mclm LLC
  Plumbing · Tumwater · #MCLMLL*788JH
  Active Insurance current
• Mcm Plumbing LLC
  Plumbing · Hayden · #MCMPLPL781OR
  Active Insurance current
• Mcneese's Plumbing INC
  Plumbing · Olympia · #MCNEEPI792P9
  Active Insurance expiring soon
• Mcsan Group LLC
  Plumbing · Hood River · #MCSANGL784DM
  Active Insurance current
• Meadowview Plumbing
  Plumbing · Nine Mile Falls · #MEADOP*7777E
  Active Insurance expiring soon
• Mega Mushroom LLC
  Plumbing · Seattle · #MEGAMML769DF
  Active Insurance current
• Mercurio's Heating & a/C
  Plumbing · Tacoma · #MERCUHC762CB
  Active Insurance current
• Meridian Plumbing INC
  Plumbing · Puyallup · #MERIDPI799NG
  Active Insurance current
• Merriman Plumbing LLC
  Plumbing · Battle Ground · #MERRIPL793MA
  Active Insurance current
• Mesecher Plumbing LLC
  Plumbing · Portland · #MESECPL752CQ
  Active Insurance current
• Methow Plumbing LLC
  Plumbing · Winthrop · #METHOPL797O1
  Active Insurance current
• Mg Plbg & General Contr LLC
  Plumbing · Renton · #MGPLBPG788DH
  Active Insurance current
• Mi Amor Plumbing LLC
  Plumbing · Shelton · #MIAMOAP756C7
  Active Insurance current
• Michael Poitevint
  Plumbing · Spokane Valley · #MICHAP*772B6
  Active Insurance current
• Mid West Plumbing
  Plumbing · Orting · #MIDWEWP753JG
  Active Insurance current
• Mid-Columbia Backflow LLC
  Plumbing · West Richland · #MIDCOBL763P2
  Active Insurance current
• Middlemore Plbg & Const LLC
  Plumbing · Post Falls · #MIDDLPC775OG
  Active Insurance current
• Midgard Plumbing
  Plumbing · Port Orchard · #MIDGAP*751BP
  Active Insurance current
• Midsound Plumbing LLC
  Plumbing · Vashon · #MIDSOPL773KW
  Active Insurance current
• Midstate CO-Op
  Plumbing, Landscaping · Ellensburg · #MIDSTC*783LS
  Active Insurance current
• Mike Bach Drilling Company
  Plumbing, Landscaping · Ellensburg · #MIKEBBD783DD
  Active Insurance current
• Mike Glaser Plumbing LLC
  Plumbing · Shelton · #MIKEGGP788JR
  Active Insurance current
• Mike Uhlenkott Pump & Elec LLC
  Plumbing, Landscaping · Genesee · #MIKEUUP793PL
  Active Insurance current
• Mike's Backflow Service
  Plumbing · Spanaway · #MIKESBS773JD
  Active Insurance expiring soon
• Mike's Mechanical Services LLC
  Plumbing · Lewiston · #MIKESMS791MR
  Active Insurance current
• Mike's Plumbing
  Plumbing · Moses Lake · #MIKESP*790OP
  Active Insurance current
• Mike's Plumbing & Drain Clng
  Plumbing · Edmonds · #MIKESPD795MO
  Active Insurance current
• Mike's Plumbing Repair Srv LLC
  Plumbing · Preston · #MIKESPR790MO
  Active Insurance current
• Mike's Plumbing Service, LLC
  Plumbing · Kennewick · #MIKESPS784BQ
  Active Insurance current
• Mike's Repair
  Plumbing · Mount Vernon · #MIKESR*782KD
  Active Insurance current
• Mikes Plumbing Tacoma
  Plumbing · Yelm · #MIKESPT769M6
  Active Insurance current
• Miles Plumbing LLC
  Plumbing · Black Diamond · #MILESPL7523B
  Active Insurance current
• Mill Creek Mechanical LLC
  Plumbing · Walla Walla · #MILLCCM763CK
  Active Insurance current
• Mill Creek Plumbing
  Plumbing · Bothell · #MILLCCP755M9
  Active Insurance current
• Miller Brs Plm Htg/Sht Mtl INC
  Plumbing · Lewiston · #MILLEBP788OH
  Active Insurance current
• Miller Family Plumbing LLC
  Plumbing · Deer Park · #MILLEFP764MQ
  Active Insurance current
• Miller Home Renovations
  Plumbing · Vancouver · #MILLEHR770RH
  Active Insurance current
• Miller's Plumbing
  Plumbing · Spokane · #MILLEP*780RN
  Active Insurance current
• Minnis Custom Plumbing LLC
  Plumbing · Mountlake Terrace · #MINNICP795MR
  Active Insurance current
• Minyard Plumbing LLC
  Plumbing · Portland · #MINYAPL746MS
  Active Insurance expiring soon
• Mitchel Plumbing CO
  Plumbing · Tacoma · #MITCHPC792OC
  Active Insurance current
• Mitchell Plumbing
  Plumbing · Hoodsport · #MITCHP*756JA
  Active Insurance current
• Mj Mechanical LLC
  Plumbing · Bonney Lake · #MJMECML740NM
  Active Insurance current
• Mjtk Backflow
  Plumbing · Mercer Island · #MJTKBB*763JA
  Active Insurance current
• Mknk Legacy Plumbing LLC
  Plumbing · Covington · #MKNKLLP751MN
  Active Insurance current
• Modern Built Construction LLC
  Plumbing · Vancouver · #MODERBC778NW
  Active Insurance expiring soon
• Modern Plumbing Company
  Plumbing · Tualatin · #MODERPC762KT
  Active Insurance current
• Modernwrx Plumbing & Mech
  Plumbing · Spokane Valley · #MODERPM766RJ
  Active Insurance current
• Moen Plumbing LLC
  Plumbing · Snohomish · #MOENPPL792OA
  Active Insurance current
• Moerke & Sons Pump & Drlng INC
  Plumbing · Chehalis · #MOERKSP774LW
  Active Insurance current
• Moller's Plumbing Service LLC
  Plumbing · Milton Freewater · #MOLLEPS772OO
  Active Insurance current
• Monarch Plumbing INC
  Plumbing · Sumner · #MONARPI794ND
  Active Insurance current
• Moore Plumbing & Mech LLC
  Plumbing · Bothell · #MOOREPM792PF
  Active Insurance current
• Morgan Mechanical INC
  Plumbing · Redmond · #MORGAMI754B2
  Active Insurance current
• Morra Water It Is, LLC
  Plumbing · Kent · #MORRAWI791RW
  Active Insurance expiring soon
• Morris Plumbing & Heating
  Plumbing · Snoqualmie · #MORRIPH749C7
  Active Insurance current
• Morrison Plumbing
  Plumbing · Federal Way · #MORRIP*764L8
  Active Insurance expiring soon
• Morse Plumbing Company LLC
  Plumbing · Gig Harbor · #MORSEPC773PU
  Active Insurance current
• Moss Bay Plumbing Ltd
  Plumbing · Redmond · #MOSSBBP790MG
  Active Insurance current
• Mountain Peak Plmbng Srvcs LLC
  Plumbing · Olympia · #MOUNTPP752D4
  Active Insurance current
• Mountain Plumbing LLC
  Plumbing · Orting · #MOUNTPL778RE
  Active Insurance current
• Mountain Pumps & Plumbing LLC
  Plumbing · Sequim · #MOUNTPU796OA
  Active Insurance current
• Mountain Valley Plumbing LLC
  Plumbing · Wenatchee · #MOUNTVP743LP
  Active Insurance current
• Mountain View Plumbing
  Plumbing · Poulsbo · #MOUNTVP780JH
  Active Insurance current
• Mp Plumbing LLC
  Plumbing · Sultan · #MPPLUPL743WE
  Active Insurance current
• Mr Bill's Pump & Well INC
  Plumbing, Landscaping · Arlington · #MRBILBP771DZ
  Active Insurance current
• Mr Rooter of Portland
  Plumbing · Gladstone · #MRROORP795PQ
  Active Insurance current
• Mr Rooter Plumbing
  Plumbing · Pasco · #MRROORP781NC
  Active Insurance current
• Mr Rooter Plumbing of Spok Cda
  Plumbing · Veradale · #MRROORP787LG
  Active Insurance current
• Mr Simmons Plumbing CO INC
  Plumbing · Seattle · #MRSIMSP781CM
  Active Insurance current
• Mr Water Plumbing Services LLC
  Plumbing · Tacoma · #MRWATWP759K9
  Active Insurance current
• Mr. Rooter Plumbing
  Plumbing · Gladstone · #MRROORP742MP
  Active Insurance current
• Mt Baker Mech Contractors INC
  Plumbing · Ferndale · #MTBAKBM791MG
  Active Insurance current
• Mt Si Mechanical LLC
  Plumbing · North Bend · #MTSIMSM786RB
  Active Insurance current
• Mt Si Plumbing & Heating INC
  Plumbing · North Bend · #MTSIPSP770MQ
  Active Insurance current
• Mtd Plumbing & HVAC
  Plumbing · Bellevue · #MTDPLPH763LE
  Active Insurance current
• Mtn Plumbing LLP
  Plumbing · Puyallup · #MTNPLPL743BM
  Active Insurance current
• Mtn View Pumps/Filtration INC
  Plumbing · Eatonville · #MTNVIVP788O1
  Active Insurance current
• Mullins Enterprises LLC
  Plumbing · Kennewick · #MULLIEL784BQ
  Active Insurance current
• Murray Plumbing/Mechanical LLC
  Plumbing · Deer Park · #MURRAPL770CF
  Active Insurance current
• Murry's Plumbing LLC
  Plumbing · Arlington · #MURRYPL793O3
  Active Insurance current
• Mutiny Bay Plumbing LLC
  Plumbing · Freeland · #MUTINBP782NB
  Active Insurance current
• 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

Last checked against state records on Oct 6, 2026. How we get this data.