Molalla, Oregon

Licensed Septic Companies in Molalla, OR

14 septic companies serve Molalla, Oregon, and 14 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026).

14 septic companies in Molalla

  • All United Plumbing & Construction LLC

    11462 S Hwy 211, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3916 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 800-1598

  • Amalgam Industries LLC

    PO Box 434, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3903 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (888) 522-6684

  • American On Site

    31881 S Hwy 213, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #940 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #56 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #887 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 829-7600

  • American On-site

    31881 S Hwy 213, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3347 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1234 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 209-7641

  • Anglers Septic & Excavation Services

    36329 S Sawtell, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4032 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3513 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 971-0536

  • Bennett Septic Service LLC

    PO Box 551, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1219 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1218 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 829-4452

  • Circle H Excavating, Inc.

    32849 S Mathias Rd., Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3992 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (509) 829-4440

  • Dilworth & Sons LLC

    19493 S Ramsby Rd, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3536 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (971) 409-0830

  • Erin Sharp Inc.

    PO Box 453, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #910 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (971) 409-7495

  • Legacy Valley LLC

    131 Shirley St., Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1138 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 504-8006

  • Pacific Northwest Construction

    19780 S Redhouse Rd, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #972 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #973 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 829-7899 pacificnorthwestconstruction.com

  • Pacific NW Development & Construction

    PO Box 1127, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #937 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 989-8628

  • Site Pro LLC

    30392 S. Molalla Ave, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #966 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 679-6181

  • TLC Excavating

    PO Box 962, Molalla, OR 97038 · Clackamas County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #657 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 710-2083

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 Molalla and whether the permit fee is in their quote.

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

Septic companies in Molalla: common questions

How many licensed septic companies are in Molalla, OR?

14 septic companies serve Molalla, Oregon, and 14 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 Molalla?

14 listings in Molalla 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.