GroundRosterLicensed Well and Septic Contractors in Oregon
Oregon lists 833 licensed well and septic contractors: 49 well drillers and pump installers and 784 septic contractors. They are based in 34 counties and 201 cities. 6 license classes appear, covering roles such as installation / repair, pumping / cleaning and drilling / construction.
Checked against Oregon DEQ - Sewage Disposal Service Licensed Businesses and Oregon Water Resources Department - licensed well constructors. Roster copy last refreshed 2026-08-17.
Browse by county or request free quotes.
Counties with the most listings based there
Browse Oregon by county
Each listing sits under the county of the address on its license record, which can be a mailing address. 34 counties have listings based there.
Cities with the most listings based there
Septic Pumpers by city in Oregon
Septic Tank Pumping cost guide
Septic Installers by city in Oregon
Septic System Installation cost guide
Well Drillers by city in Oregon
Looking for a specific contractor? Search by name, business name, or license number.
Hiring a well and septic professional in Oregon
Before you sign anything: confirm the license on this page is still active with the agency that issued it, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.
How do I check a well and septic professional's license in Oregon?
Use the license search to find the listing by name, business name, or license number, then confirm it with the agency that issued the license. Every listing links to the roster it came from.
What does well or septic work cost in Oregon?
Our cost guides give national ranges for well drilling, well pump repair, septic tank pumping, septic cleaning, repairs, and inspections. Site conditions, access, and local demand set the real number, so get at least three written quotes from licensed well and septic pros in Oregon.
Is a permit required?
Usually, for a new system or well and for most repairs, and the rules are set by the state or the county. Our Oregon permit guide covers who issues them and what they cover.
Listings without a county
1 listing has no county we could place: the license record gives none, and its ZIP code or town doesn't settle one. Search by ZIP.
Permits and Oregon agency resources
Do I need a permit for well or septic work in Oregon? ›
Where this Oregon data comes from
- Oregon DEQ - Sewage Disposal Service Licensed Businesses · source page
- Oregon Water Resources Department - licensed well constructors · source page