Plumbing contractors licensed in Washington

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

• Seattle's Best Plumbing CO LLC
  Plumbing · Shoreline · #SEATTBP789B7
  Active Insurance current
• Seawave Plumbing LLC
  Plumbing · Federal Way · #SEAWAPL775N1
  Active Insurance current
• Secure Plumbing & Htg Serv LLC
  Plumbing · Ellensburg · #SECURPH783PC
  Active Insurance current
• Seekins Plumbing LLC
  Plumbing · Vancouver · #SEEKIPL781QC
  Active Insurance current
• Selby Plumbing & Mechncl LLC
  Plumbing · Shelton · #SELBYPM7426M
  Active Insurance current
• Select Plumbing
  Plumbing · Union · #SELECP*784BO
  Active Insurance current
• Seppala Plumbing NW LLC
  Plumbing · Battle Ground · #SEPPAPN775KA
  Active Insurance current
• Sequim Plumbing INC
  Plumbing · Sequim · #SEQUIPI774B4
  Active Insurance current
• Serval Plumbing INC
  Plumbing · Poulsbo · #SERVAP*748K2
  Active Insurance current
• Service Plumbing & Heating INC
  Plumbing · Lynnwood · #SERVIPH797NR
  Active Insurance current
• Service Plumbing & Rooter LLC
  Plumbing · Tacoma · #SERVIPR753JM
  Active Insurance current
• Service Plus Plumbing LLC
  Plumbing · Portland · #SERVIPP797OA
  Active Insurance current
• Service Pro Plumbing
  Plumbing · Vancouver · #SERVIPP794MO
  Active Insurance current
• Service Source Plumbing LLC
  Plumbing · Yacolt · #SERVISP794OC
  Active Insurance current
• Sessions Plumbing/Heating, INC
  Plumbing · Longview · #SESSIPI792MF
  Active Insurance current
• Setting the Standard Plmb/HVAC
  Plumbing · Tenino · #SETTISP742C7
  Active Insurance current
• Settle in Construction LLC
  Plumbing · Walla Walla · #SETTLCL775J6
  Active Insurance current
• Setzer Plumbing
  Plumbing · Snohomish · #SETZEP*790NU
  Active Insurance current
• Shalom Plumbing LLC
  Plumbing · Seatac · #SHALOPL773D7
  Active Insurance current
• Shane's Diversified Pump Svc
  Plumbing, Landscaping · Yakima · #SHANEDP780C4
  Active Insurance current
• Sharp Plumbing LLC
  Plumbing · Enumclaw · #SHARPPL782DS
  Active Insurance current
• Shaw Plumbing Heating & a/C
  Plumbing · Spokane · #SHAWPPH76466
  Active Insurance current
• Shaw Plumbing INC
  Plumbing · Chelan · #SHAWPPI785BQ
  Active Insurance current
• Shelco Plumbing LLC
  Plumbing · Marysville · #SHELCPL757DM
  Active Insurance current
• Shephard Plumbing LLC
  Plumbing · Yakima · #SHEPHPL791N6
  Active Insurance current
• Shield Plumbing & Remodel
  Plumbing · Tacoma · #SHIELPR750LK
  Active Insurance current
• Shield Plumbing LLC
  Plumbing · Washougal · #SHIELPL740L9
  Active Insurance current
• Shinn Mechanical INC
  Plumbing · Kent · #SHINNMI792MF
  Active Insurance current
• Shipps Plumbing
  Plumbing · Spokane · #SHIPPP*744J4
  Active Insurance current
• Shockley Plumbing
  Plumbing · Granite Falls · #SHOCKP*772CZ
  Active Insurance current
• Sierra Plumbing INC
  Plumbing · Pasco · #SIERRPI795O9
  Active Insurance current
• Silvana Plumbing LLC
  Plumbing · Silvana · #SILVAPL792MK
  Active Insurance current
• Silver 2 Gold Plumbing LLC
  Plumbing · Puyallup · #SILVE2G796NQ
  Active Insurance current
• Silverdale Plumbing/Heatng INC
  Plumbing · Silverdale · #SILVEPI792MB
  Active Insurance current
• Silverline Plumbing Services
  Plumbing · Kennewick · #SILVEPS793NR
  Active Insurance current
• Silverstar Plumbing LLC
  Plumbing · Renton · #SILVEPL795P8
  Active Insurance current
• Simba Solutions CO LLC
  Plumbing · Tacoma · #SIMBASC751K8
  Active Insurance current
• Simon Money's Plumbing Ser LLC
  Plumbing · Port Angeles · #SIMONMP781CM
  Active Insurance current
• Simple Plumber LLC
  Plumbing · Seattle · #SIMPLPL797MF
  Active Insurance current
• Simple Solutions INC
  Plumbing · Seattle · #SIMPLSI776CZ
  Active Insurance current
• Simpson Plumbing LLC
  Plumbing · Camas · #SIMPSPL796NR
  Active Insurance current
• Sj Teddy Plumbing Cntrtrs LLC
  Plumbing · Snohomish · #SJTEDTP790MN
  Active Insurance current
• Sjs Mechanical Services LLC
  Plumbing · Seattle · #SJSMEMS797MG
  Active Insurance current
• Skagit Plumbing
  Plumbing · Sedro Woolley · #SKAGIP*792NR
  Active Insurance current
• Skone Irrigation INC
  Plumbing, Landscaping · Warden · #SKONEII777BL
  Active Insurance current
• Sky Heating & Air Cond LLC
  Plumbing · Tualatin · #SKYHEHA747O4
  Active Insurance current
• Sky Valley Plumbing INC
  Plumbing · Everett · #SKYVAVP784NB
  Active Insurance current
• Skylar Plumbing LLC CO
  Plumbing · Lynnwood · #SKYLAPL792MK
  Active Insurance current
• Skyview Plumbing LLC
  Plumbing · Lynnwood · #SKYVIPL750JN
  Active Insurance current
• Skyway Plumbing INC
  Plumbing · Renton · #SKYWAPI797RZ
  Active Insurance current
• Slattz LLC
  Plumbing · Sedro Woolley · #SLATTL*773BQ
  Active Insurance current
• Sloan's Plumbing INC
  Plumbing · Spokane · #SLOANPI791MB
  Active Insurance current
• Smart Plumbing Solutions LLC
  Plumbing · Renton · #SMARTPS786PK
  Active Insurance current
• Smart Water Experts
  Plumbing · Plainfield · #SMARTWE782KP
  Active Insurance current
• Smith Brothers Plumbing INC
  Plumbing · Spokane · #SMITHBP796QN
  Active Insurance current
• Smith Fire Systems INC
  Plumbing · Tacoma · #SMITHFS748DP
  Active Insurance expiring soon
• Smith Generation Plumbing
  Plumbing · Puyallup · #SMITHGP756RE
  Active Insurance current
• Smith Plumbing INC
  Plumbing · Bellingham · #SMITHPI780DZ
  Active Insurance current
• Snake River Plumbing INC
  Plumbing · Walla Walla · #SNAKERP765NK
  Active Insurance current
• Snappy Plumbing & Heating LLC
  Plumbing · Colbert · #SNAPPPH782NC
  Active Insurance current
• Snofalls Plumbing LLC
  Plumbing · Snoqualmie · #SNOFAPL754BW
  Active Insurance current
• Snoops Plumbing LLC
  Plumbing · Bonney Lake · #SNOOPPL787BQ
  Active Insurance current
• Snoqualmie Valley Mech LLC
  Plumbing · North Bend · #SNOQUVM795RD
  Active Insurance current
• Sofich Plumbing LLC
  Plumbing · Ethel · #SOFICPL742NU
  Active Insurance current
• Soft Water Specialists LLC
  Plumbing · Kennewick · #SOFTWWS763N2
  Active Insurance current
• Solid Rock Plumbing LLC
  Plumbing · Spokane · #SOLIDRP760MC
  Active Insurance current
• Solutions Plumbing LLC
  Plumbing · Puyallup · #SOLUTPL796MK
  Active Insurance current
• Sonlight Plumbing LLC
  Plumbing · Spokane · #SONLIPL742NL
  Active Insurance current
• Soreano Plumbing Service
  Plumbing · Seattle · #SOREAPS747MU
  Active Insurance current
• Sos Plumbing and Emergency Srv
  Plumbing · Lynnwood · #SOSPLPE764MZ
  Active Insurance current
• Sound Plumbing and Heating INC
  Plumbing · Bothell · #SOUNDPH795O9
  Active Insurance current
• Sound Plumbing Solutions
  Plumbing · Tacoma · #SOUNDPS762RU
  Active Insurance current
• Sound Rooter & Plumbing LLC
  Plumbing · Lacey · #SOUNDRP793MB
  Active Insurance current
• Sound Waterworks LLC
  Plumbing · Everett · #SOUNDWL792RZ
  Active Insurance current
• Sounder Plumbing LLC
  Plumbing · Seattle · #SOUNDPL776P6
  Active Insurance current
• South West Plbg & Wtrhtrs LLC
  Plumbing · Renton · #SOUTHWP798OW
  Active Insurance current
• South Whidbey Plumbing Htg INC
  Plumbing · Greenbank · #SOUTHWP770NZ
  Active Insurance current
• Southland Industries
  Plumbing · Garden Grove · #SOUTHI*761JE
  Active Insurance current
• Spartan Services INC
  Plumbing · Tacoma · #SPARTSI747NU
  Active Insurance current
• Spartan Services INC
  Plumbing · Tacoma · #SPARTSI794OC
  Active Insurance current
• Special T Plumbing & Services
  Plumbing · Maple Falls · #SPECITP795MG
  Active Insurance current
• Specialized Services LLC
  Plumbing · Shelton · #SPECISL760NR
  Active Insurance current
• Specialty Plumbing & Htg INC
  Plumbing · Mountlake Terrace · #SPECIPH783QT
  Active Insurance current
• Specialty Pump & Plumbing INC
  Plumbing · Snohomish · #SPECIPP776K2
  Active Insurance current
• Specialty Pump Service INC
  Plumbing, Landscaping · Spokane · #SPECIPS780DS
  Active Insurance current
• Spectrum Plumbing and Heating
  Plumbing · Bellingham · #SPECTPH786LP
  Active Insurance current
• Spencer Home Solutions LLC
  Plumbing · Edmonds · #SPENCHS796NE
  Active Insurance current
• Spencer's Eastside Plbg LLC
  Plumbing · Issaquah · #SPENCEP782L4
  Active Insurance current
• Spokane Falls Plmbng & Rstrtn
  Plumbing · Spokane · #SPOKAFP773PT
  Active Insurance current
• Spokane Water Heater LLC
  Plumbing · Spokane · #SPOKAWH757RB
  Active Insurance current
• Sprague Plumbing
  Plumbing · Milton · #SPRAGP*744JN
  Active Insurance current
• Springer Plumbing
  Plumbing · Woodinville · #SPRINP*741UC
  Active Insurance current
• St Solutions LLC
  Plumbing · Otis Orchards · #STSOLSL762QQ
  Active Insurance current
• St. Joseph's Heating & Plmbng
  Plumbing · Rathdrum · #STJOSJH762RR
  Active Insurance current
• Stack Commercial LLC
  Plumbing · Stevensville · #STACKCL760KM
  Active Insurance current
• Stackhouse Plumbing LLC
  Plumbing · Chelan · #STACKPL741NK
  Active Insurance current
• Stak's Plumbing LLC
  Plumbing · Lynnwood · #STAKSPL762LO
  Active Insurance current
• Stan the Hot Water Man
  Plumbing · Troutdale · #STANHHW751D4
  Active Insurance current
• Stanton Plumbing INC
  Plumbing · Carnation · #STANTPI788JH
  Active Insurance current
• Stars and Stripes Plumbing LLC
  Plumbing · Lake Stevens · #STARSSP762L8
  Active Insurance current

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