GroundRosterLicensed Well and Septic Contractors: Gem County, ID
25 licensed well and septic pros based in Gem 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 Gem County
All 4 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Gem 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 25.
| License class | Trade | Listings |
|---|---|---|
| Permitted Septic Installer - Complex System Installer | Septic | 18 |
| Permitted Septic Installer - Standard/Basic Installer | Septic | 5 |
| Licensed Well Driller | Well | 2 |
Septic Contractors based in Gem County (23)
Goff's Plumbing Inc.Licensed
JMH ServicesLicensed
Johns Plumbing and Heating, Inc.Licensed
Turney Land Construction LLCLicensed
Guho CorporationLicensed
Banducci's Excavation LLCLicensed
DK BackhoeLicensed
Idaho Custom Excavation IncLicensed
KLH Trucking & ExcavationLicensed
Howell Excavation LLCLicensed
B & W Excavation and ConstructionLicensed
Perpetua Builders, LLC - Darin InmanLicensed
TNG ExcavationLicensed
DPO Investments LLC - David ReedLicensed
Black Canyon Excavation, LLCLicensed
Clayton Ayers Truck and TractorLicensed
Durable PlumbingLicensed
Innovative Concrete Construction Inc.Licensed
Matt GosseLicensed
Greenlynn, Inc.Licensed
T & K EnterprisesLicensed
Native Excavation LLCLicensed
High Mark Mechanical, Inc.Licensed
Water Well Contractors based in Gem County (2)
Valley Pump & Equipment CO INCLicensed
208 Drilling 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 Gem County, with national cost ranges
Listings based in Gem County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Gem County | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 23 | $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 | 2 | $5,500 to $35,000 |
| Well Pump Repair | 0 | $1,000 to $2,500 |
None of the listings based in Gem 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 Gem 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?