GroundRosterLicensed Septic Contractors: Boone County, MO
38 licensed septic contractors based in Boone 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 Missouri registered onsite wastewater treatment system (OWTS) installers, Missouri registered onsite soil evaluators + Missouri licensed onsite system inspectors/evaluators and Missouri registered onsite soil evaluators. Roster copy last refreshed 2026-08-16.
Towns in Boone County
All 6 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Boone 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 38.
| License class | Trade | Listings |
|---|---|---|
| Onsite Wastewater Installer - Advanced | Septic | 17 |
| Onsite Wastewater Installer - Basic | Septic | 16 |
| Onsite Soil Evaluator | Septic | 5 |
| Onsite System Inspector | Septic | 4 |
Septic Contractors based in Boone County (38)
Diversified Excavating LLCLicensed
Thoma Construction LLCLicensed
Samuel ExcavatingLicensed
Bio-GardLicensed
National Property Inspections COMOLicensed
All Over the HouseLicensed
Powers Construction LLC.Licensed
Benjamin MocarskiLicensed
Post Contract Services
Milam ContractingLicensed
Pro Pumping & Hydrojetting LLCLicensed
Tim Sublett ExcLicensed
Sutton ExcavatingLicensed
Corey Myers Construction LLCLicensed
Jennings EnterprisesLicensed
Haskamp ExcavationLicensed
Elite Wastewater Solutions LLCLicensed
National Property InspectionsLicensed
Sutton Excavating LLCLicensed
MasterTech Plumbing
TW Colton Plumbing and Excavating Inc.Licensed
Rick Richardson ExcavatingLicensed
Bio-Gard IncLicensed
SSCC Inc
Atelier I70Licensed
Arthur Ratliff Tree and Stump RemovalLicensed
J.D. Kelly Excavating IncLicensed
Castle Custom Homes
Brian Wear PlumbingLicensed
Joe BrooksLicensed
Bentlage BobcatLicensed
C.L. RichardsonLicensed
Cedar Creek Dirt Works llcLicensed
Mid Missouri Underground LLCLicensed
Central Missouri Home Inspections LLCLicensed
Adamson Construction & InvestmentLicensed
Kevin Sublett ExcavatingLicensed
All Missouri Soils, 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 Boone County, with national cost ranges
Listings based in Boone County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Boone County | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 33 | $3,600 to $12,500 |
| Septic Inspection | 4 | $150 to $900 |
| Septic System Design | 0 | Varies by site |
| Perc Test and Soil Evaluation | 5 | $250 to $1,000 |
None of the listings based in Boone County hold a license class we can match to septic tank pumping or septic system design. Ask any contractor whether they do this work, or try a nearby city.
Hiring a septic contractor in Boone County
Septic (onsite wastewater) contractors handle everything from routine septic tank pumping and cleaning to repairs, inspections, and new system installation. States license each role separately (a pumper is not necessarily licensed to install, and vice versa), so match the license class to the job.
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 Missouri?