Licensed Septic Companies in Dayton, OR
7 septic companies serve Dayton, 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).
Septic services in Dayton
Guides: Septic tank pumping · Septic system installation · Drain field repair · Installation cost · Pumping cost
7 septic companies in Dayton
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CAC Excavation
PO Box 815, Dayton, OR 97114 · Yamhill County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #849 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Dirt Guys Excavating
13885 SE Fletcher Rd, Dayton, OR 97114 · Yamhill County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #779 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Installation · Drain field · Perc testing
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Green Spark Homes
PO Box 143, Dayton, OR 97114 · Yamhill County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3967 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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The Concrete Guy LLC
307 Flower Ln, Dayton, OR 97114 · Yamhill County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3587 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Toney Excavation & Building
11130 Oak Dr, Dayton, OR 97114 · Yamhill County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #191 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Turley Excavation LLC
17475 SE Neck Rd, Dayton, OR 97114 · Yamhill County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #754 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Tyler Wood
18458 SE Lafayette Hwy, Dayton, OR 97114 · Yamhill County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3427 (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 Dayton and whether the permit fee is in their quote.
Oregon septic licensing: agencies, license types and how to check a license →
Septic companies in Dayton: common questions
How many licensed septic companies are in Dayton, OR?
7 septic companies serve Dayton, 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 pump septic tanks in Dayton?
1 of the 7 listings in Dayton offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.
Which companies install septic systems in Dayton?
7 listings in Dayton 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.