Septic inspectors, installers and maintenance providers in Mason County, TX
Independent directory. Names, license types and numbers come from the TCEQ licensing database (current OSSF licenses, downloaded Oct 28, 2026). The county is the one on each license holder's TCEQ record, not necessarily where they work. Phone numbers and cities appear only when the license holder authorized TCEQ to release business contact information. Verify the license with TCEQ before hiring.
6 TCEQ OSSF license holders list Mason County on their license record (4 Site Evaluators, 4 Installer IIs, 1 Designated Representative, 1 Installer I, 1 Maintenance Provider). 1 released a business phone number to TCEQ. This directory serves Mason County; no listing here means a business has an office in the county.
Who inspects septic systems in Mason County?
Septic permits and installation inspections in Mason County are handled by the local authorized agent. TCEQ's 2024 authorized-agent report lists these agents reporting in Mason County (some cover only a city or a lake area):
- Mason County
Find which one covers your address, plus phone numbers, with the TCEQ local contact search.
License holders
| Name | License (click to verify) | City | Phone | Source |
|---|---|---|---|---|
| Eli Castillo | Designated Representative · OS0008633 | (325) 347-2477 | TCEQ record | |
| John D Gipson | Site Evaluator · OS0034677 Installer II · OS0034448 | TCEQ record | ||
| Waylon Thomas Gipson | Installer I · OS0037384 | TCEQ record | ||
| Gary Duane Hahn | Maintenance Provider · MP0000519 Site Evaluator · OS0011716 Installer II · OS0006201 | TCEQ record | ||
| Randy N Holloway | Site Evaluator · OS0035958 Installer II · OS0033813 | TCEQ record | ||
| Pete A Morales | Site Evaluator · OS0011476 Installer II · OS0000310 | TCEQ record |