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Dallas, Oregon

Licensed Septic Companies in Dallas, OR

12 septic companies serve Dallas, Oregon, and 12 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026).

12 septic companies in Dallas

  • A. Pederson's Plumbing, Inc.

    19190 Frost Rd., Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3899 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (971) 312-1112

  • AMF Operations LLC

    17295 Richardson Rd, Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3981 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (971) 599-8718

  • Dalke Construction

    13440 Hwy 22, Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3381 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (971) 375-2676

  • Evergreen Plumbing

    15999 Orchard Knob Rd, Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3709 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 884-9430

  • Evergreen Plumbing

    265 SW Oak St #3, Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3726 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (971) 718-2749

  • Garber Excavating, Inc

    PO Box 1032, Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #188 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 623-0217

  • Iron Legacy Earthworks

    16985 Brown Rd, Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3987 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 507-2385

  • Mud Brothers Construction LLC

    776 SE Miller Ave, Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3755 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 437-4952

  • Ole Bergman Excavating, Inc.

    1699 SE Godsey Rd., Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3931 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1165 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1164 (Oregon Department of Environmental Quality, verify)
    • +1 more credential

    From their website: Installation

    (503) 623-4505 olebergman.com

  • Patriot Excavation LLC

    3370 Mistletoe Rd, Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3611 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 930-2994

  • Turner Excavation LLC

    379 SW Augustus Dr., Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3630 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 507-2919

  • Youngs Contracting

    3700 Ballard Rd, Dallas, OR 97338 · Polk County

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1025 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 508-1001

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 Dallas and whether the permit fee is in their quote.

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

Septic companies in Dallas: common questions

How many licensed septic companies are in Dallas, OR?

12 septic companies serve Dallas, Oregon, and 12 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 Dallas?

12 listings in Dallas 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.