GroundRosterLicensed Septic Contractors: Knox County, OH
25 licensed septic contractors based in Knox 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 Ohio Department of Health - Sewage Treatment System Bond Lists. Roster copy last refreshed 2026-08-17.
Towns in Knox County
All 6 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Knox 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 |
|---|---|---|
| Sewage Treatment System Installer | Septic | 22 |
| Sewage Treatment System Service Provider | Septic | 7 |
| Septage Hauler | Septic | 3 |
Septic Contractors based in Knox County (25)
Bob Wilson & Son Excavating
Excavation Solutions LLC
T K C Excavating
Weaver Excavations LLC
Mohican Valley Builders
Ken McKenzie Construction LLC
Productive Excavating
Total Turf & Dirt LLC
Stull Excavating and Septic LLC
Cochran & Tyson LLC
Long's Excavating, Inc.
Jacket Excavating
Journey Excavating LLC
T & T Excavating, LTD
Noble and Sons Construction Inc
Stull Septic Solutions LLC
KnoxBank Sanitation LLC
Cletus Gardner
Dale Rayburn
Edsel's Excavating
Shadley Valley Excavating
KVB Excavating Solutions LLC
On-Site Sanitation, LLC
Stull Septic Pumping,LLC
Wee Dig It, LLC
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 Knox County, with national cost ranges
Listings based in Knox County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Knox County | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 22 | $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 |
None of the listings based in Knox County hold a license class we can match to septic tank pumping, septic inspection, septic system design or perc test and soil evaluation. Ask any contractor whether they do this work, or try a nearby city.
Hiring a septic contractor in Knox 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 Ohio?