2207 SE Dolphin, Warrenton, OR 97146 · Clatsop County
Is Osburn Olson Excavation And Land Development licensed?
Osburn Olson Excavation And Land Development appears on an Oregon septic license or certification list. The Septic Guide matched these credentials to the issuing agency's published list as of October 2026; confirm the current status with the agency before you hire.
| Credential | Number | Issued by | Verify |
|---|---|---|---|
| Oregon DEQ Certified Onsite (Septic) Installer | 826 | Oregon Department of Environmental Quality | Agency lookup |
A matched credential shows the holder was on the agency's list when we checked. It does not by itself authorize every kind of septic work: an installer license, a pumper license and an inspector certification are different credentials.
What septic services does Osburn Olson Excavation And Land Development offer?
Found on Osburn Olson Excavation And Land Development's website: Septic system installation, Drain field repair, Risers and lids, Perc testing and site evaluation.
Ask Osburn Olson Excavation And Land Development to confirm it handles your specific job and service area. Guides: Septic system installation · Drain field repair.
Before you hire Osburn Olson Excavation And Land Development
- Check the license on the agency lookup above and ask which person holds it.
- Ask who pulls the permit and whether the fee is in the quote.
- Ask for proof of liability insurance sent by the insurer.
- Get the scope and price in writing. How to check a septic license.
Is this your business? Correct or update this listing. Listing data: state license lists and public business information, as of October 2026. Not an endorsement.