Licensed Septic Companies in Jefferson County, OR
33 septic companies serve Jefferson County, Oregon, and 33 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 Jefferson County
Guides: Septic system installation · Septic repair · Installation cost · Pumping cost
33 septic companies in Jefferson County
Terrebonne 14
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Big Jake's Excavating LLC
8523 SW Crater Loop Rd, Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1235 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Bulldog Septic
1675 NW Odem Ave, Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #834 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Clawson Construction & Maintenance LLC
13975 Golden Mantle, Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3956 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Emperor Excavation
1072 Barberry Dr., Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #895 (Oregon Department of Environmental Quality, verify)
From their website: Installation · Repair
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Hamilton Excavating LLC
12453 Snug Pl., Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1124 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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J.C. Dirt Works LLC
9081 Morning Glory Dr., Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3612 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1080 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Jacob Graeve
9115 15th St, Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3414 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Jordan Construction
1787 NW Davidson Way, Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #532 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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K2 Excavation
70000 NW Lower Valley Dr., Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3766 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Kinder Excavation
226 Angus Ct, Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4094 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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M3 Home Services LLC
3467 NW Odem Ave, Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3460 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Mark Barkley
14136 SW Commercial Loop Rd, Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1063 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Robles Masonry
9412 18th Ct., Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4027 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Specialty Technical Services Excavation Division
6440 SW Buckskin Ln, Terrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4092 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Madras 11
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A & J Excavation LLC
2026 SE Sagebrush Dr, Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1187 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Baggett Inc DBA-Rocky Ridge Excavation & Haul
1007 NE Lancaster Dr, Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #242 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Bob's Septic Installation & Repair
3228 NE Clark Dr, Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #337 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Bryce Rehwinkel
1444 SW Rimrock Dr, Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3578 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Bustin Excavation
2826 SW Hwy 97, Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3550 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Central Builders LLC
5001 SW Belmont Ln, Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3808 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Chiddix Enterprises Inc
380 SW 5th Street PMB #147, Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #828 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Easy Build Construction LLC
2733 SW Hwy 97, Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1210 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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J & S General Construction & Excavation
2230 SE Bitterbrush Dr., Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #734 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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K3 Construction LLC
25 SW Elbe Dr., Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3803 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Korcek Construction LLC
811 SE Grizzly Rd, Madras, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3571 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Culver 2
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Henderson Excavation LLC
9374 SW Feather Dr, Culver, OR 97734
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3802 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Jordan Marks
4000 SW Park Ln., Culver, OR 97734
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3827 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
LaPine 1
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Shields Septic Tank Service
PO Box 324, LaPine, OR 97730
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #952 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Metolius 1
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Roto-Rooter
519 Sunrise Circle, Metolius, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #491 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Redmond 1
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Dry Canyon Communications, LLC. / Dry Canyon Electric
2134 SW Belmont Ln, Redmond, OR 97741
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #631 (Oregon Department of Environmental Quality, verify)
From their website: Risers & lids Per state license: Installation
Terrrebonne 1
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C Bar L Development
PO Box 1125, Terrrebonne, OR 97760
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1179 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Warm Spring 1
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Confederated Trimes of Warm Spring
1233 Veterans St Box C, Warm Spring, OR 97761
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3741 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Warm Springs 1
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Clear River Water Works
PO Box 202, Warm Springs, OR 97761
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3621 (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 Jefferson 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 Jefferson County: common questions
How many licensed septic companies are in Jefferson County, OR?
33 septic companies serve Jefferson County, Oregon, and 33 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 Jefferson County?
33 listings in Jefferson 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.