Oregon

Licensed Septic Companies in Oregon

The Septic Guide lists 1,253 septic companies and licensed septic professionals in Oregon; 1,230 are matched to the Oregon Department of Environmental Quality license or certification lists (data as of October 2026).

1,253listed in Oregon
1,230matched to a state license or certification
1,252with a phone number
63county and town pages

Septic companies by county

Septic companies by city

Licensed company profiles in Oregon

Septic services in Oregon

Counts of Oregon listings by service, from each business's own website or the type of state license it holds.

  • 47 septic tank pumping · guide
  • 1,246 septic system installation · guide
  • 30 septic inspection · guide
  • 50 septic repair · guide
  • 61 drain field repair · guide
  • 2 aerobic septic systems · guide
  • 18 risers and lids
  • 18 perc testing and site evaluation
  • 15 grease trap pumping

Who licenses septic work in Oregon?

Oregon licenses sewage disposal businesses and certifies the installers who work for them.

Credentials: Sewage disposal service license (installer, pumper); DEQ installer certification.

Agency: Oregon DEQ, Sewage Disposal Service licensing.

Licenses shown in this directory come from: Oregon Department of Environmental Quality (1,369).

Oregon septic licensing guide →

Other Oregon listings

Septic companies and licensed professionals in areas without their own page yet. Listings in the counties and towns above are on those pages.

Athol 1

  • Black Pearl Construction LLC

    2078 E Yellow Pine, Athol, OR 83801

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1254 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 680-2268

Auburn 1

  • EnviroTech Septic Solutions

    1602 W Valley Hwy S, Auburn, OR 98001

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4100 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4101 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (253) 508-0150

Battle Ground 1

  • Adrenaline Services

    7115 NE 209th St, Battle Ground, OR 98604

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3993 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 831-7656

Battleground 1

  • Bloomquist Septic

    PO Box 3008, Battleground, OR 98604

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3858 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 798-2287

Caldwell 3

  • American Rooter & Drain

    1005 Commercial Way, Caldwell, OR 83605

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4013 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (208) 996-1946

  • Spiers Construction

    22340 Racetrack Dr., Caldwell, OR 83607

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3652 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (208) 453-9229

  • Z & H Construction General Contracting, LLC

    25998 Iverson Rd., Caldwell, OR 83605

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4006 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (208) 941-0268

Camas 1

  • Elk Ridge Custom Homes

    3242 NE 3rd Ave #383, Camas, OR 98607

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1123 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 607-0734

Cambridge 2

  • Braun-Jensen Inc.

    3250 Goodrich Rd, Cambridge, OR 83610

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3902 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (208) 550-2684

  • MC Underground LLC

    2740 Gladhart Lane Rd., Cambridge, OR 83610

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3416 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (208) 315-7743

Crescent City 2

  • First Service Contractors

    369 G St., Crescent City, OR 95531

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3619 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3524 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (707) 464-2400

  • Prolific Construction & Excavation LLC

    722 Bertsch Ave, Crescent City, OR 95531

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3508 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 254-4297

Ellensburg 1

  • Basic Septic Design & Installation

    110 W 6th Ave Suite 212, Ellensburg, OR 98926

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3926 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (509) 899-5430

Fruitland 1

  • The Fix It Guy, LLC

    1883 NW 1st Ave., Fruitland, OR 83619

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3651 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (208) 739-6489

Gilliam County 1

  • Scott Nation Trucking

    17062 Hwy 206, Condon, OR 97823

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4025 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 256-0818

Longview 1

  • Advance Sewer

    PO Box 1831, Longview, OR 98632

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3617 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 578-2831

Morrow County 3

  • Miller & Sons Excavating Inc

    PO Box 650, Heppner, OR 97836

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #248 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 676-9613

  • Roland Ruhe

    190 SW Utah Ave, Irrigon, OR 97844

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3483 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 561-9782

  • Wesley Wise Excavating

    PO Box 710, Irrigon, OR 97844

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #207 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 922-4384

New Plymouth 1

  • Alpine Construction and Concrete LLC

    6040 Adams Rd, New Plymouth, OR 83655

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3793 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (208) 740-7595

Pasco 1

  • Big D's Excavation LLC

    3902 N Swallow Ave, Pasco, OR 99301

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4061 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (509) 542-8322

Puyallup 2

  • Craig Teeters Jr.

    1903 17th St NW, Puyallup, OR 98371

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3528 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 668-3000

  • Drain Pro Inc. OR

    1903 17th St. NW, Puyallup, OR 98371

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3835 (Oregon Department of Environmental Quality, verify)
    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3825 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (503) 477-0408

Ridgefield 3

  • Conway Construction Company

    22406 NW Cornell Dr, Ridgefield, OR 98642

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3352 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 887-3022

  • Henco Plumbing

    834 N 13th Place, Ridgefield, OR 98642

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3622 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 869-6832

  • MTI Contractors Inc.

    1303 NW 199th St., Ridgefield, OR 98642

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3838 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 798-4970

Touchet 1

  • Smith Construction LLC

    1086 Cummins Rd, Touchet, OR 99360

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3912 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (509) 212-1124

Walla Walla 1

  • Walts Plumbing & Septic Service

    1323 Dell Ave., Walla Walla, OR 99362

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3682 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (509) 529-3044

Washougal 1

  • Dirt Masters, LLC

    40713 NE Skye View Dr, Washougal, OR 98671

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3589 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 721-2724

Wheeler County 1

  • Scott Field

    PO Box 190, Spray, OR 97874

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #513 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 468-2001

White Salmon 4

  • Artistic Excavation

    PO Box 2409, White Salmon, OR 98672

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #862 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 490-7721

  • Gorge Dirt Works, LLC

    PO Box 732, White Salmon, OR 98672

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3613 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (509) 637-0417

  • KSR Contracting LLC

    Po Box 1568, White Salmon, OR 98672

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3579 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (541) 310-3995

  • OWL Earthworks

    37 Nestor Peak Rd, White Salmon, OR 98672

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3411 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (509) 637-9622

Woodland 1

  • Slateco LLC

    PO Box 1921, Woodland, OR 98674

    • Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4062 (Oregon Department of Environmental Quality, verify)

    Per state license: Installation

    (360) 623-5549

Septic companies in Oregon: common questions

How many licensed septic companies are in Oregon?

The Septic Guide lists 1,253 septic companies and licensed septic professionals in Oregon; 1,230 are matched to the Oregon Department of Environmental Quality license or certification lists (data as of October 2026). 1,252 have a phone number listed; the others appear on the state list without one.

Do septic contractors need a license in Oregon?

Yes. Oregon licenses sewage disposal businesses and certifies the installers who work for them.

How do I check a septic license in Oregon?

Search the contractor on the Oregon DEQ, Sewage Disposal Service licensing's lookup (https://www.oregon.gov/deq/permits/Pages/YDO-Public-Records.aspx). Every license badge in this directory links to the agency's own lookup.