Washington · L&I
Plumbing Contractor license in Washington
A plumbing contractor licensed with L&I: the business employs certified plumbers to perform plumbing work.
- 192 listed businesses hold it in force
- L&I issued by the Washington State Department of Labor & Industries
Where Plumbing Contractor license holders are located
- Battle Ground, WA 11
- Seattle, WA 9
- Vancouver, WA 8
- Moses Lake, WA 5
- Lynnwood, WA 4
- Bellingham, WA 4
- Tacoma, WA 4
- Kent, WA 4
- Woodinville, WA 4
- Kennewick, WA 4
- Spokane, WA 4
- The Dalles, OR 3
- Ridgefield, WA 3
- Olympia, WA 3
- Snohomish, WA 3
- Camas, WA 3
- Lynden, WA 3
- Woodland, WA 3
- Puyallup, WA 3
- Auburn, WA 3
- Redmond, WA 3
- Bremerton, WA 3
- Yakima, WA 3
- Friday Harbor, WA 2
- Troutdale, OR 2
- Goldendale, WA 2
- Poulsbo, WA 2
- Arlington, WA 2
- Colville, WA 2
- Wenatchee, WA 2
- Lacey, WA 2
- Edmonds, WA 2
- Everett, WA 2
- Pasco, WA 2
- La Center, WA 2
- Walla Walla, WA 2
- University Place, WA 2
- Milton Freewater, OR 2
- Shelton, WA 2
- Ellensburg, WA 2
Plumbing Contractor license holders
- Settle In Construction LLC 956 Whitney Rd
- Setzer Plumbing 15617 Westwick Rd
- Shane's Diversified Pump SVC PO Box 4149
- Skone Irrigation Inc 2051 W 1st Street
- Smith Fire Systems Inc 1106 54TH Ave E
- Southland Industries 12131 Western Ave, Attn: Monet Bosinski
- Specialty Pump Service Inc 5223 E Union
- Startin's Repair Inc PO Box 66
- State Line Plumbing LLC PO Box 156
- Sturm Heating & A/C 1112 N Nelson St
- Sunset Air Inc PO Box 8208
- Swegle Pumps LLC 28598 Riffe Rd N
- T & J'S Plumbing Connectn LLC 1212 E 60TH St
- Tapani Inc PO Box 1900
- Tapani Plumbing Inc PO Box 2350
- Taylor Htng Cooling & Plumbing 18815 139TH Ave NE Suite B, Suite B
- The Pump Company LLC 101 N 94TH Place
- Thermal-king Inc 1324 N Liberty Lake Rd Ste 204
- Total Mechanical Inc 4857 NW Lake Road Suite 300, Suite 300
- Trademark Plumbing LLC 27200 NE 10TH Ave
- Trek Plumbing LLC 16801 N Hinzerling Rd
- Tumwater Drilling & Pump Inc P O Box 249
- Union City Plumbing Inc PO Box 2060
- United Crown Pump & Drilling 3125 W Hayden Ave
- United Water & Air LLC 5816 NE 83RD Ct
- University Mech Contr Inc 19020 33rd Ave West Suite 400
- Valley Plumbing & Electric Inc 176 W King Tut
- Valley Pump Inc 202 8th St SE
- Van's Plumbing & Electric Inc 307 19th Street
- Vermillion Pump & Drilling LLC 29106 N Hardesty Rd
- Vital Mechanical Service 1420 Maple Ave SW
- Vixie Construction LLC 85198 Edwards Rd
- Washington Energy Svcs Co LLC 3909 196TH Street SW
- West Coast Mech Sltns LLC 2823 29TH Ave SE Suite 109, Ste 109
- West Mechanical Inc 4443 Aldrich Rd
- West One Plumbing LLC P.o Box 1218, P.o Box 1218
- West Sound Comfort Systems LLC PO Box 1358
- Widner Electric & Industrl Inc PO Box 126
- Williams Mechanical Inc 3903 Smith Ave
- Wolcott Plumbing 1075 W Historic Columbia River Hwy
- Wolf Industries Inc 607 SE Eaton Blvd
- Your Side Construction Inc 17719 SE 224TH Street
Plumbing Contractor license questions
What is a Plumbing Contractor license in Washington?
A plumbing contractor licensed with L&I: the business employs certified plumbers to perform plumbing work.
How do I check a Plumbing Contractor license?
Search the business name or license number on the Washington lookup page, or open a holder below: each profile shows the license number, status and expiration date. Confirm the live record with the Washington State Department of Labor & Industries.
Confirm on the official L&I lookup
The Washington State Department of Labor & Industries publishes the live status of every license.
Official L&I lookup ↗← Plumbers in Washington · All Washington license classifications