Licensed Septic Companies in Clatskanie, OR
7 septic companies serve Clatskanie, Oregon, and 7 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026).
7 septic companies in Clatskanie
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Bergman Construction LLC
PO Box 1264, Clatskanie, OR 97016 · Columbia County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3842 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Bradley McKay, General Contractor
PO Box 1349, Clatskanie, OR 97016 · Columbia County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3443 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Clatskanie Septic Service LLC
PO Box 1297, Clatskanie, OR 97016 · Columbia County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3983 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1093 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Don Hooper Inc
75960 Delena Rd, Clatskanie, OR 97016 · Columbia County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #263 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Earl Scott Septic
PO Box 1574, Clatskanie, OR 97016 · Columbia County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #328 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Hamilton Property Improvement LLC
18401 Johnson Rd, Clatskanie, OR 97016 · Columbia County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1261 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Schwartz General Contracting
79457 Blackford Rd, Clatskanie, OR 97016 · Columbia County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3750 (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 Clatskanie and whether the permit fee is in their quote.
Oregon septic licensing: agencies, license types and how to check a license →
Septic companies in Clatskanie: common questions
How many licensed septic companies are in Clatskanie, OR?
7 septic companies serve Clatskanie, Oregon, and 7 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 Clatskanie?
7 listings in Clatskanie 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.