GroundRosterSidney M LandisLicensed
License details
| License number | OS0034236, OS0034534 |
| License type | OSSF Installer II ยท OSSF Site Evaluator |
| License status | Current, TCEQ OSSF licensing export (exported 2026-08-17) |
| License expires | May 31, 2028 |
| Based in | Castro County, Texas |
"Based in" is the city and county of the address on the business's license record.
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 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 #OS0034236, OS0034534 directly with the agency that issued it, 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. Look it up at the issuing agency.
See every listing based in Castro County.