Leonardo Excavation
Permits

The Deschutes County Septic Permit Process, Explained

Permits are the part homeowners dread most. Here's how septic permitting works in Deschutes County and how we handle it for you.

The Deschutes County Septic Permit Process, Explained

February 18, 2026

For most homeowners, the scariest part of a septic project isn't the digging — it's the permitting. The good news: it's a known process, and it's one we handle start to finish so you don't have to.

Why permits exist

Septic permits protect groundwater and public health. In Central Oregon, that means both the county and the Oregon Department of Environmental Quality (DEQ) have a say in what goes in the ground.

The basic steps

  • Site and soil evaluation to determine what the land can support.
  • System design sized to your soil, lot, and home.
  • Permit application to the county and DEQ.
  • Installation by a licensed installer (that's us — CCB #239305, SDS (DEQ) #39106).
  • Final inspection and approval.

Where people get stuck

Timelines depend on county workload, and difficult lots may need advanced treatment or even a DEQ variance — which is a state-level approval, handled through DEQ rather than the county. Both are solvable; we've been doing septic work for ten years and bring in a soil scientist when a variance calls for one.

The easy button

We handle the whole process: evaluation, design, permits, install, and inspection. You get one point of contact and a clear written estimate. Call 541-876-5755 to get started.

Ready for a straight price?

Free on-site visit. Luke follows up within one business day.

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