Licensed Septic Companies in Hermiston, OR
7 septic companies serve Hermiston, Oregon, and 7 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 Hermiston
Guides: Septic tank pumping · Septic system installation · Drain field repair · Installation cost · Pumping cost
7 septic companies in Hermiston
-
Cornerstone Land Solutions
81371 N Golda Rd, Hermiston, OR 97838 · Umatilla County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4026 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Diego Gonzalez
770 N Ott Rd., Hermiston, OR 97838 · Umatilla County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4060 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Done-Rite Septic
30178 King Ln, Hermiston, OR 97838 · Umatilla County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #155 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Drain field Per state license: Installation
-
PNW Works LLC
1851 NE 10th St., Hermiston, OR 97838 · Umatilla County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4007 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Ramon Esquivel
80518 Culp Ln, Hermiston, OR 97838 · Umatilla County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3616 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Sage River Construction
31946 Sunridge Ln, Hermiston, OR 97838 · Umatilla County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3676 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Warren Ewing Demolition & Excavation, LL
75540 Gun Club Rd., Hermiston, OR 97111 · Yamhill County
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #349 (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 Hermiston and whether the permit fee is in their quote.
Oregon septic licensing: agencies, license types and how to check a license →
Septic companies in Hermiston: common questions
How many licensed septic companies are in Hermiston, OR?
7 septic companies serve Hermiston, Oregon, and 7 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 Hermiston?
1 of the 7 listings in Hermiston 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 Hermiston?
7 listings in Hermiston 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.