GroundRosterHackmann Trenching & Backhoe LLCLicensed
License details
| License number | 37373 |
| License type | Onsite Wastewater Installer - Basic |
| License status | Current registration |
| License expires | April 30, 2027 |
| Based in | Chamois, Osage County, Missouri |
| Counties declared to the state | Callaway, Cole, Gasconade, Montgomery |
"Based in" is the city and county of the address on the business's license record.
What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to verify this license
We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #37373 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: Missouri registered onsite wastewater treatment system (OWTS) installers, last checked 2026-08-16. Look it up at the issuing agency.
Other licensed septic contractors based in Osage County
Wilson ExcavatingLicensed
Septic System Installation
See every listing based in Osage County or in Chamois.