Sanitation System/Side Sewers contractors in Seattle, WA
Septic and side sewer contractors install and repair on-site sanitation systems and the sewer lines that connect buildings to the main. Washington currently lists 7 Sanitation System/Side Sewers contractors registered in Seattle.
Claimed and verified listings appear first.
Emerald City Sewer
ListedSanitation System / Side Sewers · Seattle, WA
License #EMERACS771J5 · $15,000 bond
Jafco Company LLC
ListedSanitation System / Side Sewers · Seattle, WA
License #JAFCOCL833PW · $30,000 bond
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Other trades in Seattle
- General (5,811)
- Electrical (433)
- Painting/Wallcovering (383)
- Landscaping (239)
- Plumbing (142)
- Floor Covering and Counter Tops (129)
- Handyman (120)
- Cabinets, Millwork and Finish Carpentry (107)
- Tile, Ceramic, Mosaic, Natural and MFG Stone (63)
- Plumbing Specialty (61)
- Heating/Vent/Air-Conditioning and Refrig (HVAC/R) (53)
- Concrete (47)
How to read confidence grades and license statuses
Built from Washington State L&I public records, updated Sep 26, 2026. Subser doesn't do star ratings or reviews — just verified records.