Sanitation System/Side Sewers contractors in Port Angeles, 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 5 Sanitation System/Side Sewers contractors registered in Port Angeles.
Claimed and verified listings appear first.
Onsite Montrg & Insp (Omi) LLC
ListedSanitation System / Side Sewers · Port Angeles, WA
License #ONSITMI914BM · $15,000 bond
Sound Septic Services
ListedSanitation System / Side Sewers · Port Angeles, WA
License #SOUNDSS917OQ · $15,000 bond
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Other trades in Port Angeles
- General (667)
- Electrical (48)
- Painting/Wallcovering (30)
- Floor Covering and Counter Tops (20)
- Plumbing (18)
- Handyman (17)
- Landscaping (16)
- Roofing (15)
- Excavation, Grading and Land Clearing (13)
- Tree Removal Service (13)
- Cabinets, Millwork and Finish Carpentry (11)
- Tile, Ceramic, Mosaic, Natural and MFG Stone (10)
How to read confidence grades and license statuses
Built from Washington State L&I public records, updated Nov 12, 2026. Subser doesn't do star ratings or reviews — just verified records.