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Jefferson, Oregon

Licensed Septic Companies in Jefferson, OR

5 septic companies serve Jefferson, Oregon, and 5 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026).

Septic services in Jefferson

Guides: Septic system installation · Septic repair · Drain field repair · Installation cost · Pumping cost

5 septic companies in Jefferson

  • 3 A Construction LLC

    1690 Harvey St SE, Jefferson, OR 97352 · Marion County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #823 (Oregon Department of Environmental Quality, verify)

    From their website: Installation · Repair · Drain field · Perc testing

    (971) 218-3568 3aoregon.com

  • Blackhawk Plumbing DBA Mr. Rooter Plumbing

    660 Greenwood Dr., Jefferson, OR 97352 · Marion County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3514 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 519-2915

  • Draco Enterprises LLC

    2389 Steiwer Rd SE, Jefferson, OR 97352 · Marion County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3777 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 510-2275

  • Homeland Excavating LLC

    PO Box 582, Jefferson, OR 97352 · Marion County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1127 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 971-8295

  • Pantheon Concrete Inc.

    3155 Edgewood Dr. SE, Jefferson, OR 97352 · Marion County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1262 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 602-1945

Septic licensing in Oregon

Oregon licenses sewage disposal businesses and certifies the installers who work for them. The Oregon DEQ, Sewage Disposal Service licensing issues these credentials: Sewage disposal service license (installer, pumper); DEQ installer certification.

Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Jefferson and whether the permit fee is in their quote.

Oregon septic licensing: agencies, license types and how to check a license →

Septic companies in Jefferson: common questions

How many licensed septic companies are in Jefferson, OR?

5 septic companies serve Jefferson, Oregon, and 5 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.

Who licenses septic contractors in Oregon?

Oregon licenses sewage disposal businesses and certifies the installers who work for them. The licensing body is the Oregon DEQ, Sewage Disposal Service licensing.

Which companies install septic systems in Jefferson?

5 listings in Jefferson install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Oregon license.

How do I check a septic contractor's license in Oregon?

Use the Oregon DEQ, Sewage Disposal Service licensing's lookup (https://www.oregon.gov/deq/permits/Pages/YDO-Public-Records.aspx) and search the contractor's name or license number. Our guide to checking a septic license walks through it.