PNW Septic GuideOR · WA · ID

Septic professionals in Oregon

6 listings across 3 counties. Pick a county for local providers, permitting notes and the health department that keeps onsite system records.

Counties

Clackamas County

From Sandy to Molalla, Clackamas County has one of Oregon's largest concentrations of residential septic systems, with steep terrain and seasonal groundwater shaping repair and drainfield options.

Deschutes County

Deschutes County's volcanic soils and rapid growth around Bend and Redmond make soil evaluation and alternative treatment systems a common part of septic work here.

Washington County

Washington County's mix of rural acreage around Banks, Gaston and North Plains means thousands of homes rely on onsite septic systems. Permits, records and drainfield approvals run through the county's onsite program.

Popular services in Oregon

Septic InspectionSeptic PumpingSeptic RepairSeptic InstallationDrainfield ServicesAlternative Treatment SystemsReal-Estate Transaction Inspections

Cities

BanksBendHillsboroSandy

Listings in Oregon

Cascade Onsite Services (Demo)

Featured
Verified details

Hillsboro, Washington County Oregon

Emergency service

Inspection and pumping specialists serving the Tualatin Valley.

  • Septic Inspection
  • Septic Pumping
  • Real-Estate Transaction Inspections
  • Commercial
View profile(503) 555-0142 Website

Demo listing · Last verified Mar 2026

Listing details come from public records and provider submissions and can go out of date. Always confirm licensing, bonding, insurance, availability and pricing directly with the contractor before hiring. Listings marked “Demo” are fictional sample data.

Looking for a specific county? Clackamas County, Deschutes County, Washington County.