Madras, OR

K3 Construction LLC

K3 Construction LLC is a septic company in Madras, OR holding an Oregon septic credential from the Oregon Department of Environmental Quality.

25 SW Elbe Dr., Madras, OR 97741 · Jefferson County

(541) 990-3140 k3groundwork.com

Is K3 Construction LLC licensed?

K3 Construction LLC 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) Installer3803Oregon 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 K3 Construction LLC offer?

Implied by its state license: Septic system installation.

Ask K3 Construction LLC to confirm it handles your specific job and service area. Guides: Septic system installation.

Before you hire K3 Construction LLC

  • 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.