Licensed Septic Companies in Damascus, OR
5 septic companies serve Damascus, Oregon, and 5 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026).
5 septic companies in Damascus
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B & G Excavation & Plumbing
17835 SE Foster Rd, Damascus, OR 97089 · Clackamas County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #798 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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E & A Systems LLC
26775 SE Hwy 212, Damascus, OR 97009 · Clackamas County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1220 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #747 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Lioncrest Excavation LLC
20740 SE Curtis Rd, Damascus, OR 97089 · Clackamas County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3376 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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PNW Carpentry
23101 SW Hwy 212, Damascus, OR 97089 · Clackamas County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3928 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Stolz Construction Corp
25248 SE Sunshine Valley Rd., Damascus, OR 97089 · Clackamas County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1230 (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 Damascus and whether the permit fee is in their quote.
Oregon septic licensing: agencies, license types and how to check a license →
Septic companies in Damascus: common questions
How many licensed septic companies are in Damascus, OR?
5 septic companies serve Damascus, Oregon, and 5 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 Damascus?
5 listings in Damascus 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.