Septic services in Washington

AssistAnt lists septic companies for 63 Washington towns as of October 28, 2026. The most within 25 miles: Clinton (36), Everett (33), Langley (33), Freeland (30), Lake Stevens (30). Each town page lists verified businesses first, then by distance. No business can pay for a higher spot.

Not listed in Washington? Add yourself free →

• Anacortes 15
• Arlington 29
• Auburn 20
• Bainbridge Island 24
• Battle Ground 12
• Bellingham 9
• Blaine 7
• Bow 14
• Bremerton 17
• Brush Prairie 15
• Camano Island 25
• Carnation 19
• Centralia 7
• Clinton 36
• Deer Harbor 5
• Eatonville 8
• Everett 33
• Everson 7
• Fall City 15
• Ferndale 7
• Freeland 30
• Gig Harbor 23
• Graham 16
• Granite Falls 23
• Greenacres 8
• Kennewick 6
• Kent 24
• Kirkland 25
• Lake Stevens 30
• Langley 33
• Lopez Island 5
• Lynden 7
• Maple Valley 15
• Marysville 30
• Monroe 24
• Mount Vernon 14
• Olalla 23
• Olympia 16
• Otis Orchards 8
• Pasco 5
• Port Orchard 18
• Poulsbo 19
• Puyallup 20
• Ravensdale 13
• Rochester 8
• Seabeck 13
• Shelton 12
• Shoreline 28
• Silverdale 17
• Snohomish 26
• Spanaway 17
• Spokane 5
• Spokane Valley 8
• Stanwood 27
• Tacoma 21
• Toppenish 5
• Tumwater 11
• Union Gap 5
• Vancouver 18
• Vashon 24
• Woodinville 25
• Yacolt 11
• Yakima 5