Septic System Costs in Oregon (2026)

Based on BLS wage data, septic system in Oregon costs an average of $9,785, ranging from $9,508 to $10,090.

Oregon Average $9,785

Septic System Costs by City in Oregon

Reviewed by

Alex Johnson, P.E.

Mechanical Engineer • 15+ Years Home Repair Experience • Licensed Contractor

All cost data on this page has been verified against BLS and Census Bureau records. See our methodology →