GroundRosterPatrick A ChasteenLicensed
| Name | Patrick A Chasteen |
| License number | MP0000275 |
| License type | OSSF Maintenance Provider |
| License status | Current — TCEQ OSSF licensing export (exported 2026-08-17) |
| License expires | 2026-09-30 |
| Location | Wise County, Texas |
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What this license covers
- Maintenance: licensed to service and maintain aerobic and other advanced treatment systems on an ongoing contract, including the periodic checks those systems require.
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 #MP0000275 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.
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