GroundRosterLicensed Well and Septic Contractors: Ada County, ID
79 licensed well and septic pros based in Ada 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 Ada County
All 13 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Ada 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 79.
| License class | Trade | Listings |
|---|---|---|
| Permitted Septic Installer - Complex System Installer | Septic | 47 |
| Permitted Septic Installer - Standard/Basic Installer | Septic | 25 |
| Licensed Well Driller | Well | 7 |
Septic Contractors based in Ada County (72)
H and B CrushingLicensed
Red Fox Excavation LLCLicensed
Anderson Construction IncLicensed
DeBest Plumbing IncLicensed
Mow IdahoLicensed
Sawtooth Earthworks LLCLicensed
Precision Excavation and ConstructionLicensed
High Country ExcavationLicensed
Master Excavation LLCLicensed
Beus Excavation & ConstructionLicensed
Gregg Barney Excavation IncLicensed
Excavation Plus LLCLicensed
Titan Excavation and ConstructionLicensed
Ultimate Excavation LLCLicensed
Keith Braun ConstructionLicensed
A and A ExcavatingLicensed
Just Dig ItLicensed
Shamrock Construction and ExcavationLicensed
Warner Construction IncLicensed
Bivins Excavating and RemodelingLicensed
Iron Horse Excavation LLCLicensed
Last Call BackhoeLicensed
Toyco Construction LLCLicensed
Affordable Excavation LLCLicensed
Alpha Excavation LLCLicensed
Highmark ExcavationLicensed
Titan Technologies INCLicensed
Merica Precision Construction LLCLicensed
Idaho Dirt CompanyLicensed
JNK ExcavationLicensed
Foreman ExcavationLicensed
Tradestar ExcavationLicensed
Cascade Custom Construction LLCLicensed
Impact ExcavatingLicensed
Excel Excavation LLCLicensed
Pro Excavation LLCLicensed
Stephens Enterprises Construction LLCLicensed
American Boring and Excavation LLCLicensed
Brooks ExcavationLicensed
McAlvain Construction IncLicensed
Pleasant View ConstructionLicensed
True Blue ExcavationLicensed
Master Rooter Service LLCLicensed
Cebco Of IdahoLicensed
Jim Russell ExcavationLicensed
EKC EnterprisesLicensed
Blue Mountain Electric and Excavation LLCLicensed
High Valley ConstructionLicensed
Legends LLCLicensed
Liberty Homes Inc.Licensed
Knife River Corporation - Mountain WestLicensed
G and S Excavation LLCLicensed
Roto RooterLicensed
Idaho Grading and TruckingLicensed
Wood Brothers Trucking and ConstructionLicensed
Tuffy Excavation IncLicensed
Knight Plumbing and Construction IncLicensed
Spiers ConstructionLicensed
ABC Pumping ServicesLicensed
Rock Solid ExcavationLicensed
Ridge Top ServicesLicensed
Anderson and Wood Construction Co IncLicensed
Apex ExcavationLicensed
Morgan Creek HomesLicensed
Taylor Morgan Plumbing and SepticLicensed
Esteban RogersLicensed
Bob Camp ExcavationLicensed
Solid Earth LLCLicensed
John Brown ExcavationLicensed
L2 ExcavationLicensed
Jims Well DrillingLicensed
Struckmans Backhoe ServiceLicensed
Water Well Contractors based in Ada County (7)
Rapid Well DrillingLicensed
Idaho H2o Well DrillingLicensed
Can Ada Well DrillingLicensed
2r Drilling LLCLicensed
Jims Well DrillingLicensed
Robert P Jones COLicensed
Stevens & Sons Well Drilling INCLicensed
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 Ada County, with national cost ranges
Listings based in Ada County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Ada County | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 72 | $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 | 7 | $5,500 to $35,000 |
| Well Pump Repair | 0 | $1,000 to $2,500 |
None of the listings based in Ada 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 Ada 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?