GroundRosterLicensed Well and Septic Contractors: Adams County, CO
47 licensed well and septic pros based in Adams 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 Jefferson County Public Health - List of Licensed OWTS Contractors, Arapahoe County Public Health - OWTS Licensed Installers & Cleaners/Pumpers, Weld County Department of Public Health & Environment, Colorado DWR - Licensed Drilling & Pump Installation Contractors, Boulder County Public Health - OWTS Licensed Professionals and Larimer County Department of Health & Environment. Roster copy last refreshed 2026-08-19.
Towns in Adams County
All 11 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Adams 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 47.
| License class | Trade | Listings |
|---|---|---|
| Installer | Septic | 18 |
| Licensed OWTS Installer | Septic | 18 |
| Licensed OWTS Contractor | Septic | 4 |
| Cleaner/Pumper | Septic | 2 |
| Licensed Pump Installer | Well | 2 |
| Licensed Well Driller & Pump Installer | Well | 2 |
| Cleaner, Inspector, Installer | Septic | 1 |
| Licensed Well Driller | Well | 1 |
Septic Contractors based in Adams County (42)
All Sewer & Plumbing Services LLCLicensed
Vancara BuildersLicensed
Mountain Goat ExcavatingLicensed
Septic SolutionsLicensed
Hel-digger Septic & ExcavatingLicensed
Backhoe Services Bennett INCLicensed
Grein Excavating, LLCLicensed
Leos Welding And SepticLicensed
Kennedy Plumbing, IncLicensed
Lawrence BrinkLicensed
Rocky Summit Excavation, LLCLicensed
Brink's Contruction LLCLicensed
Leo's Welding & SepticLicensed
Hel-Digger Water & Sewer, LLCLicensed
Action INCLicensed
Earl WesthoffLicensed
Hel-Digger Septic & Excavating LLCLicensed
Guernsey Grading & Excavating INCLicensed
EliteRooterLicensed
Grayson ConceptsLicensed
Afford-A-RooterLicensed
Hel Digger Septic and Excavating LLCLicensed
Kingdom BuildersLicensed
A1 Septic Service IncLicensed
Kennedy Plumbing and Heating IncLicensed
Double S Enterprises LLC dba S and S ServicesLicensed
Apple Realty LLCLicensed
Brinks ConstructionLicensed
Rprecision Industries LLCLicensed
Backhoe Services Bennett IncLicensed
Guernsey Grading and Excavating IncLicensed
Grein ExcavatingLicensed
Septic SolutionsLicensed
High Plains Sanitation ServicesLicensed
Eduardo FloresLicensed
A-1 Septic ServicesLicensed
Junior Plumbing And ServicesLicensed
Kennedy Plumbing And HeatingLicensed
Earl WesthoffLicensed
Vancara BuildersLicensed
Vancara BuildersLicensed
Leos Welding and SepticLicensed
Water Well Contractors based in Adams County (5)
Crandall Drilling & Pump ServiceLicensed
Vaught, CiriacoLicensed
Doctor Water Well LLCLicensed
Layne DrillingLicensed
Layne Christensen CO.Licensed
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 Adams County, with national cost ranges
Listings based in Adams County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Adams County | National cost |
|---|---|---|
| Septic Tank Pumping | 2 | $250 to $600 |
| Septic System Installation | 37 | $3,600 to $12,500 |
| Septic Inspection | 1 | $150 to $900 |
| Septic System Design | 0 | Varies by site |
| Perc Test and Soil Evaluation | 0 | $250 to $1,000 |
| Well Drilling | 3 | $5,500 to $35,000 |
| Well Pump Repair | 4 | $1,000 to $2,500 |
None of the listings based in Adams County hold a license class we can match to septic system design or perc test and soil evaluation. Ask any contractor whether they do this work, or try a nearby city.
Hiring a well and septic professional in Adams 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 Colorado?