Licensed Septic Companies in Crook County, OR
41 septic companies serve Crook County, Oregon, and 41 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 Crook County
Guides: Septic tank pumping · Septic system installation · Drain field repair · Installation cost · Pumping cost
41 septic companies in Crook County
Prineville 34
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9-GK Construction and Excavation LLC
1924 SE Lincoln Rd., Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3801 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Adam R Koch Construction LLC
PO Box 584, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3826 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Anglen Brothers Excavation LLC
1241 SE 6th St, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3503 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Ashley Building
3531 SE Kennedy Way, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3728 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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B & L Excavation LLC
PO Box 857, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #858 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Barden Excavation
2884 NW Ponderosa Ln, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4086 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Bartlett Excavation & Paving
226 SW 5th St, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3511 (Oregon Department of Environmental Quality, verify)
From their website: Installation
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Blackrock Contracting Inc.
PO Box 217, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1241 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Blux Excavation LLC
10150 SE Golden Eagle Dr., Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1100 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Box R Water Analysis Laboratory
567 NW 2nd St., Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #961 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Central Oregon Rooter & Excavation
13847 SE Derringer Loop, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3645 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Central Oregon Septic & Excavating LLC
13628 SE Navajo Rd, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #692 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Chad R Howard Construction
2910 NW Gumpert Rd, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #720 (Oregon Department of Environmental Quality, verify)
From their website: Drain field Per state license: Installation
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Clint Woodward Construction, LLC
2900 NW Century Dr, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #208 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Greenbar Excavation
PO Box 7, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #896 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Installation
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High Ridge Excavation, LLC
5374 SE Sioux Loop, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1136 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Installation · Drain field · Grease traps
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J & S Drain Services
343 NE Bronco Way, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3941 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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J & S Drain Services
1231 NW Dodson Dr., Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1184 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Jensen Contracting
PO Box 313, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1244 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Kevin Phillips
591 NE 2nd St., Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3771 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Kirk Giovanini Trucking
PO Box 1152, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #829 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Ktx, LLC
237 SW Meadowlakes Dr, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3597 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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M4 Group
2602 NE Sunrise Ln, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3807 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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McShane's Excavating & Trucking
16498 S Bobcat Ln, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #135 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Northwest Land Specialties LLC
7703 NW Country Loop, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #971 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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RMC Contracting LLC
PO Box 231, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #606 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Roto-Rooter
906 E First, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #860 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #861 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Shortreed Excavation LLC
5916 SE Hilltop Rd, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3688 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Siska Construction
1978 NW Pinecrest Dr, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3820 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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SMAF Construction, LLC
PO Box 672, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #760 (Oregon Department of Environmental Quality, verify)
From their website: Installation
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Watkins Excavation LLC
10888 SE Wicasa Ln, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1153 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Wilkinson Excavation LLC
2762 Crooked River Hwy, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1141 (Oregon Department of Environmental Quality, verify)
From their website: Installation
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Willow Creek Excavation
540 NE Holly St, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1108 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Yancey Excavation LLC
6615 SE Manning Ln, Prineville, OR 97754
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1140 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Powell Butte 5
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Powell Butte Custom Homes
17000 SW Mt. Adams Loop, Powell Butte, OR 97753
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1174 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Samuel Johnston
14115 SW Powell Butte Hwy, Powell Butte, OR 97753
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3457 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Three Forks Excavation Inc
16122 SW Alfalfa Rd, Powell Butte, OR 97753
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3788 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Vertex Logistics Inc
15203 SW Aquatic View, Powell Butte, OR 97753
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #845 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Wade Rogers Excavation, LLC
9698 SW Happy Days Ln, Powell Butte, OR 97753
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #224 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Redmond 1
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Baseline Excavation
4691 NW 91st, Redmond, OR 97753
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3770 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Terrebonne 1
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Silver Creek Excavating LLC
13225 SW Meadowlark Ln., Terrebonne, OR 97753
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1125 (Oregon Department of Environmental Quality, verify)
From their website: 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 Crook 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 Crook County: common questions
How many licensed septic companies are in Crook County, OR?
41 septic companies serve Crook County, Oregon, and 41 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 Crook County?
2 of the 41 listings in Crook County 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 Crook County?
41 listings in Crook 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.