GroundRosterWilliam Mark II ComptonLicensed
| Name | William Mark II Compton |
| License number | OS0005204, OS0010643 |
| License type | OSSF Installer II · OSSF Site Evaluator |
| License status | Current — TCEQ OSSF licensing export (exported 2026-08-17) |
| License expires | 2028-09-30 |
| Location | Henderson County, Texas |
Request a quote from William Mark II Compton
What this license covers
- Site testing: licensed to run percolation tests and evaluate soils to determine what kind of system a site can support.
- 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 this listing exactly as it appears in Texas's official licensing records; we do not vouch for the business itself. Before hiring, look up license #OS0005204, OS0010643 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Texas Commission on Environmental Quality (TCEQ) - OSSF occupational licensing, last checked 2026-08-17. Verify at the official source.
Are you William Mark II Compton? Claim this listing to set your business name and add your website, service area, hours, and photos. It's free.