Licensed Septic Companies in Philomath, OR
11 septic companies serve Philomath, Oregon, and 11 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026).
11 septic companies in Philomath
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Bravo Group LLC
22940 Harris Rd, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3717 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4073 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Bravo Group LLC
22940 Harris Rd, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3721 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Bravo Group LLC
22940 Harris Road, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3367 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Bryan Whipple
PO Box 84, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3900 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Dennis Gibson Construction
33653 Mary's River Estates Rd, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #733 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Emmons Trucking and Excavation LLC
23760 Labare Rd, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3697 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Evenflo Plumbing LLC
106 S 11th St., Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4040 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Hughes Excavation
PO Box 1258, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3637 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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McVay Construction LLC
24411 Old Peak Rd, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3733 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1160 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Patton Construction Services LLC
PO Box 653, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3810 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Thor Excavation LLC
24380 Hwy 20, Philomath, OR 97370 · Benton County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3422 (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 Philomath and whether the permit fee is in their quote.
Oregon septic licensing: agencies, license types and how to check a license →
Septic companies in Philomath: common questions
How many licensed septic companies are in Philomath, OR?
11 septic companies serve Philomath, Oregon, and 11 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 Philomath?
11 listings in Philomath 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.