Licensed Septic Companies in Hillsboro, OR
14 septic companies serve Hillsboro, Oregon, and 13 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 Hillsboro
Guides: Septic tank pumping · Septic system installation · Septic inspection · Drain field repair · Installation cost · Pumping cost
14 septic companies in Hillsboro
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Aloha
8600 SW Hillsboro Hwy, Hillsboro, OR 97123 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #948 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Installation · Inspection · Perc testing · Grease traps
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Cse,llc
9841 N. Vancouver Way, Hillsboro, OR 97217 · Multnomah County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4083 (Oregon Department of Environmental Quality, verify)
From their website: Perc testing Per state license: Installation
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Dirt Road Excavation & Debris
470 NW Yonia Ct, Hillsboro, OR 97124 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3971 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Hollenbach & Hurd, Inc.
5291 NE Elam Young Pkwy Ste 180, Hillsboro, OR 97124 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3804 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Horner Brothers Construction
3337 NE Jackson Road Loop, Hillsboro, OR 97124 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3732 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Lead Construction Inc
2194 SE 53rd Ave, Hillsboro, OR 97123 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3874 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Patrick Walker
4490 SW Minter Bridge Rd, Hillsboro, OR 97123 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3653 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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PLI Systems
3045 SE 61st Ct., Hillsboro, OR 97123 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3861 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Renner Trucking & Excavating
228 SW Walnut St, Hillsboro, OR 97123 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3925 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Subcom Excavation
PO Box 4055, Hillsboro, OR 97123 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3895 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Subcom Excavation & Utilities
PO Box 4055, Hillsboro, OR 97123 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #785 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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West Side Drain
5976 SE Alexander Ste. C, Hillsboro, OR 97123 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1038 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Whiz to Coho Inc.
12800 NW Bishop Rd, Hillsboro, OR 97124 · Washington County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3369 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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West Side Drain and Septic
5976 SE Alexander St Ste C, Hillsboro, OR 97123 · Washington County
From their website: Pumping · Installation · Inspection · Drain field · Grease traps
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 Hillsboro and whether the permit fee is in their quote.
Oregon septic licensing: agencies, license types and how to check a license →
Septic companies in Hillsboro: common questions
How many licensed septic companies are in Hillsboro, OR?
14 septic companies serve Hillsboro, Oregon, and 13 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 Hillsboro?
2 of the 14 listings in Hillsboro 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 Hillsboro?
14 listings in Hillsboro 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.