Oregon City, Oregon

Licensed Septic Companies in Oregon City, OR

18 septic companies serve Oregon City, Oregon, and 17 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 Oregon City

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

18 septic companies in Oregon City

  • Advanced Home Services LLC

    316 Barker Ave, Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3865 (Oregon Department of Environmental Quality, verify)

    From their website: Installation · Drain field

    (503) 300-4021 ahsoregon.com

  • Alpha & Omega Landscaping Inc

    15248 S Carus Rd, Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3490 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 954-6344 aocfencingdecking.com

  • B & R Precision Excavation LLC

    21163 S Fischers Mill Rd., Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1268 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 753-7073

  • Brett Fay

    19312 Towercrest Dr., Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4036 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (314) 540-5154

  • Coffman Excavation

    13014 Clackamas River Dr, Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3909 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 710-0960

  • Coffman Excavation Inc.

    13014 Clackamas River Dr, Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #119 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 656-7000 coffmanexcavation.com

  • CR Excavating LLC

    17709 S Palmer Rd., Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3949 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 799-1203

  • Dark Horse Construction LLC

    PO Box 1923, Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #507 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 949-0175

  • Honest Drain Solutions LLC

    23325 S Ward Ct, Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #848 (Oregon Department of Environmental Quality, verify)

    From their website: Pumping · Drain field · Risers & lids Per state license: Installation

    (503) 312-1285 honestdrainsolutions.com

  • Huskey Excavating Inc.

    19397 S. South End Rd, Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3816 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 678-1249

  • Lil Stinky Environmental Service

    19631 Kolar Dr., Oregon City, OR 97405 · Lane County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1245 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 829-8458

  • Lovaz Excavating LLC

    14650 S. Quail Grove Circle, Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3478 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (971) 204-2091

  • Lses

    19631 Kolar Dr., Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1145 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #901 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3402 (Oregon Department of Environmental Quality, verify)
    • +1 more credential

    Per state license: Installation

    (503) 351-5027

  • Mayer Construction Inc

    101 Barker Rd, Oregon City, OR 97035 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3624 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 513-5030

  • NW Home Services

    13871 Caufield Rd., Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1079 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (971) 409-8077 nwpremierservices.com

  • Oregon Waste Water Services Inc

    PO Box 65, Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #505 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 805-3881 oregon.gov

  • Timco Excavation & Construction

    13438 S Carus Rd., Oregon City, OR 97045 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3575 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 632-4184

  • Pinkies Septic

    19312 S Towercrest Dr, Oregon City, OR 97045 · Clackamas County

    From their website: Pumping · Installation · Inspection · Repair · Drain field · Risers & lids

    (971) 444-6985 pinkiesseptic.com

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 Oregon City and whether the permit fee is in their quote.

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

Septic companies in Oregon City: common questions

How many licensed septic companies are in Oregon City, OR?

18 septic companies serve Oregon City, Oregon, and 17 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 pump septic tanks in Oregon City?

2 of the 18 listings in Oregon City offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.

Which companies install septic systems in Oregon City?

18 listings in Oregon City 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.