Lincoln City, OR

Halvorson Mason Corp

Halvorson Mason Corp is a septic company in Lincoln City, OR holding an Oregon septic credential from the Oregon Department of Environmental Quality.

PO Box 785, Lincoln City, OR 97367 · Lincoln County

(503) 996-4000 halvorson-mason.com

Is Halvorson Mason Corp licensed?

Halvorson Mason Corp 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) Installer1113Oregon 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 Halvorson Mason Corp offer?

Implied by its state license: Septic system installation.

Ask Halvorson Mason Corp to confirm it handles your specific job and service area. Guides: Septic system installation.

Before you hire Halvorson Mason Corp

  • 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.