GroundRosterLicensed Well and Septic Contractors: Jefferson County, ID
32 licensed well and septic pros based in Jefferson 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 Idaho DEQ - Permitted Subsurface Sewage Disposal System Installers and Idaho IDWR - Licensed Well Drillers. Roster copy last refreshed 2026-10-17.
Towns in Jefferson County
All 5 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Jefferson 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 32.
| License class | Trade | Listings |
|---|---|---|
| Permitted Septic Installer - Complex System Installer | Septic | 24 |
| Permitted Septic Installer - Standard/Basic Installer | Septic | 7 |
| Licensed Well Driller | Well | 1 |
Septic Contractors based in Jefferson County (31)
V H Trucking & Construction LLCLicensed
Fairview Ranch Excavating LLCLicensed
Matt Sommer Excavating LLCLicensed
Silverstone ExcavationLicensed
Awn Point ExcavationLicensed
Mitchell WaltersLicensed
East Summit ExcavatingLicensed
East Idaho Excavation LLCLicensed
South Fork Septic LLCLicensed
Finish Grade Construction LLCLicensed
Olson BackhoeLicensed
Cleve Burnside Construction LLCLicensed
K Larsen Construction IncLicensed
Gregory's Construction LLCLicensed
Matt Phillips ExcavatingLicensed
Mak Contracting LLCLicensed
R & R Excavation and Transport LLCLicensed
Intermountain Excavation LLCLicensed
Defenders Diversified LLCLicensed
Prince Excavation IncLicensed
Stegelmeier 5 Co LLC DBA Rocking CS ExcavationLicensed
Professional BuildersLicensed
Cowboy Dirt WorksLicensed
Grover Excavation and SepticLicensed
Rhodehouse Construction IncLicensed
A & R Excavation and Construction LLCLicensed
Valley Rooter Drain ServiceLicensed
Silver Creek Construction Co IncLicensed
K-terra DBA Kaiser Skid Steer Services LLCLicensed
Edwards ExcavatingLicensed
Fife Plumbing & ExcavatingLicensed
Water Well Contractors based in Jefferson County (1)
Howe Deep LLCLicensed
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 Jefferson County, with national cost ranges
Listings based in Jefferson County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Jefferson County | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 31 | $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 | 1 | $5,500 to $35,000 |
| Well Pump Repair | 0 | $1,000 to $2,500 |
None of the listings based in Jefferson County hold a license class we can match to septic tank pumping, 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 Jefferson 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 Idaho?