Ontario, OR

Four Rivers Excavating

Four Rivers Excavating is a septic company in Ontario, OR holding an Oregon septic credential from the Oregon Department of Environmental Quality, offering septic system installation according to its website.

4675 Hwy 52, Ontario, OR 97914 · Malheur County

(208) 739-8520 excavatingbyfourrivers.com

Is Four Rivers Excavating licensed?

Four Rivers Excavating 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.

CredentialNumberIssued byVerify
Oregon DEQ Certified Onsite (Septic) Installer3994Oregon Department of Environmental QualityAgency 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 Four Rivers Excavating offer?

Found on Four Rivers Excavating's website: Septic system installation.

Ask Four Rivers Excavating to confirm it handles your specific job and service area. Guides: Septic system installation.

Before you hire Four Rivers Excavating

  • 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.