GroundRosterLicensed Well and Septic Contractors: Karnes County, TX
14 licensed well and septic pros based in Karnes 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 Texas Department of Licensing and Regulation (TDLR) and Texas Commission on Environmental Quality (TCEQ) - OSSF occupational licensing. Roster copy last refreshed 2026-08-17.
Towns in Karnes County
All 3 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Karnes 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 14.
| License class | Trade | Listings |
|---|---|---|
| OSSF Installer I | Septic | 6 |
| Water Well Driller/Pump Installer | Well | 4 |
| OSSF Site Evaluator | Septic | 3 |
| OSSF Installer II | Septic | 2 |
| OSSF Maintenance Provider | Septic | 2 |
Septic Contractors based in Karnes County (10)
James Harold MatthewsLicensed
David Kyle Bonnet
Henry Jr GuerraLicensed
Richard CardinLicensed
Nathan L MoyLicensed
David Lee WozniakLicensed
Ronald K EdwardsLicensed
James Cody BrownLicensed
Michael D WozniakLicensed
Kyle Logan SavageLicensed
Water Well Contractors based in Karnes County (4)
Joseph A CarrollLicensed
Joshua J MoyLicensed
Matthew T Janysek
Santiago GonzalesLicensed
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 Karnes County, with national cost ranges
Listings based in Karnes County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Karnes County | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 8 | $3,600 to $12,500 |
| Septic Inspection | 0 | $150 to $900 |
| Septic System Design | 0 | Varies by site |
| Perc Test and Soil Evaluation | 3 | $250 to $1,000 |
| Well Drilling | 4 | $5,500 to $35,000 |
| Well Pump Repair | 4 | $1,000 to $2,500 |
None of the listings based in Karnes County hold a license class we can match to septic tank pumping, septic inspection or septic system design. Ask any contractor whether they do this work, or try a nearby city.
Hiring a well and septic professional in Karnes 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 Texas?