GroundRosterLicensed Well and Septic Contractors: Umatilla County, OR
13 licensed well and septic pros based in Umatilla County. Every license number below is sourced from public licensing records, with a link to look it up yourself.
Grouped by the county of the address on each license record, which can be a mailing address, so it doesn't tell you where the business works. When the record names no county, we place it by ZIP code, then town.
Checked against Oregon Water Resources Department - licensed well constructors and Oregon DEQ - Sewage Disposal Service Licensed Businesses. Roster copy last refreshed 2026-08-17.
Towns in Umatilla County
All 4 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Umatilla County records
Each class as the issuing agency prints it on the license record. A record that names more than one class counts once under each, so the rows can add up to more than 13.
| License class | Trade | Listings |
|---|---|---|
| Septic Installer | Septic | 6 |
| Water Well Constructor | Well | 4 |
| Septic Pumper | Septic | 3 |
Septic Contractors based in Umatilla County (9)
Atkinson Staffing Inc
Warren Ewing Demolition and Excavation, LLC
Vixie Construction, LLC
Cornerstone Land Solutions LLC
Derrick G Humbert, dba Derricks Septic
Desert Sands MFD Home Contractors Inc, dba D.S.C. Inc.
Jimmy's Johns Portable Toilets, LLC
Brady Rettkowski, dba Done-Rite Septic
Pnw Works LLC
Water Well Contractors based in Umatilla County (4)
Courtney Well Drilling, LLCLicensed
Thomas WigginsLicensed
Justin BoeschLicensed
Garry ZollmanLicensed
Own one of these businesses? Find your listing and claim it.
Looking for a specific contractor? Search by name, business name, or license number.
Services in Umatilla County, with national cost ranges
Listings based in Umatilla County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Umatilla County | National cost |
|---|---|---|
| Septic Tank Pumping | 3 | $250 to $600 |
| Septic System Installation | 6 | $3,600 to $12,500 |
| Septic Inspection | 0 | $150 to $900 |
| Septic System Design | 0 | Varies by site |
| Perc Test and Soil Evaluation | 0 | $250 to $1,000 |
| Well Drilling | 4 | $5,500 to $35,000 |
| Well Pump Repair | 0 | $1,000 to $2,500 |
None of the listings based in Umatilla County hold a license class we can match to septic inspection, septic system design, perc test and soil evaluation or well pump repair. Ask any contractor whether they do this work, or try a nearby city.
Hiring a well and septic professional in Umatilla County
Before you sign anything: confirm the license on this page is still active with the agency that issued it, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.
Do I need a permit for well or septic work in Oregon?