Licensed Septic Companies in Union County, OR
8 septic companies serve Union County, Oregon, and 8 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026).
8 septic companies in Union County
Elgin 3
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Elijah Livingston
904 N 15th Ave, Elgin, OR 97827
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3596 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Pahlow Inc
PO Box 1018, Elgin, OR 97827
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3577 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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RAKA Construction LLC
65870 Hemlock St, Elgin, OR 97827
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3655 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3632 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
La Grande 2
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Spot On Septic
3412 Hwy 30, La Grande, OR 97850
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1196 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Spot On Septic
3412 Us 30, La Grande, OR 97850
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3543 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Cove 1
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Krahn & Sons Excavation
60750 Sunday Dr., Cove, OR 97824
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1061 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
LaGrande 1
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Spot On Septic
3412 Highway 30, LaGrande, OR 97850
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3918 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3923 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Union 1
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Summit Construction OR, Inc.
671 W Bryan St., Union, OR 97883
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3542 (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 Union 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 Union County: common questions
How many licensed septic companies are in Union County, OR?
8 septic companies serve Union County, Oregon, and 8 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 Union County?
8 listings in Union 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.