Licensed Septic Companies in Polk County, OR
21 septic companies serve Polk County, Oregon, and 21 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 Polk County
Guides: Septic system installation · Septic repair · Drain field repair · Installation cost · Pumping cost
21 septic companies in Polk County
Dallas 12
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A. Pederson's Plumbing, Inc.
19190 Frost Rd., Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3899 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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AMF Operations LLC
17295 Richardson Rd, Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3981 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Dalke Construction
13440 Hwy 22, Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3381 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Evergreen Plumbing
15999 Orchard Knob Rd, Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3709 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Evergreen Plumbing
265 SW Oak St #3, Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3726 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Garber Excavating, Inc
PO Box 1032, Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #188 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Iron Legacy Earthworks
16985 Brown Rd, Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3987 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Mud Brothers Construction LLC
776 SE Miller Ave, Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3755 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Ole Bergman Excavating, Inc.
1699 SE Godsey Rd., Dallas, OR 97338
- 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
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Patriot Excavation LLC
3370 Mistletoe Rd, Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3611 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Turner Excavation LLC
379 SW Augustus Dr., Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3630 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Youngs Contracting
3700 Ballard Rd, Dallas, OR 97338
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1025 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Monmouth 5
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Allied Drilling & Concrete LLC
6050 Fern Hill Rd., Monmouth, OR 97361
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3681 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Complete Landworks LLC
267 Gwinn St W., Monmouth, OR 97361
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3477 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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D Carmona Construction LLC
4780 Riddell Rd, Monmouth, OR 97361
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3564 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Mud Brothers Construction LLC
520 Sacre Lane N, Monmouth, OR 97361
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3754 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Solid Rock Trucking and Excavating LLC
16800 Maplegrove Rd, Monmouth, OR 97361
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #992 (Oregon Department of Environmental Quality, verify)
From their website: Installation · Repair · Drain field
Salem 3
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Kevin Wood
3737 Orchard Heights Rd NW, Salem, OR 97304
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3426 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Sambar Construction LLC
3167 Hidden Valley Dr, Salem, OR 97304
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4000 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Warrior Construction LLC
4515 Wallace Rd NW, Salem, OR 97304
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1024 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Rickreall 1
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NSR Construction
221 Ford St, Rickreall, OR 97371
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3499 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
No listings match those filters.
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 Polk County and whether the permit fee is in their quote.
Oregon septic licensing: agencies, license types and how to check a license →
Septic companies in Polk County: common questions
How many licensed septic companies are in Polk County, OR?
21 septic companies serve Polk County, Oregon, and 21 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 Polk County?
21 listings in Polk County 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.