Guide
Septic system installation in Central Texas
Steps
- Site and soil evaluation by a licensed site evaluator
- Design by a registered sanitarian or professional engineer when required
- Permit application to your county or city authorized agent
- Installation by a TCEQ-licensed installer, with inspections
- Notice of Approval before you use the system
| System | Typical installed range |
|---|---|
| Conventional (gravity trench) | $5,000 – $12,000 |
| Aerobic with spray irrigation | $10,000 – $20,000+ |
| Drip irrigation | $15,000 – $30,000+ |
Typical installer quotes, not official figures. Rocky Hill Country sites run higher.
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FAQ
How long does it take to get a septic permit in Texas?
Several weeks is common. Some counties must approve or deny within 30 days of a complete application (for example, Guadalupe County).