Do you need a permit for a solar installation in Austin, TX?
It depends on the details of your project.
Every grid-tied solar system needs an auxiliary power electrical permit.
Ground-mounted arrays also need residential plan review.
Roof-mounted panels need only the electrical permit.
A person last checked these rules on October 22, 2026. This is guidance only, so confirm with Austin before you build.
Check your exact lot
Your zoning district sets the setbacks, and a flood zone can change the permit answer. Enter your address to see both.
Permits a solar installation can need in Austin
| Permit | When it applies |
|---|---|
| Electrical permit (auxiliary power) | Austin requires an auxiliary power electrical permit for every home solar system connected to the Austin Energy grid. |
| Building permit (ground mount) | Ground-mounted arrays go through residential plan review and need a building permit.Medium confidence |
Local details
- Call 811 at least a few days before you dig footings or post holes. Utility locating is free.
- HOA covenants and deed restrictions can be stricter than city rules. Check yours before you build.
How to apply
- Austin Build + Connect (AB+C)
- Work exempt from building permits
- City and Land Development Code
- Phone: 311 (512-974-2000)
Common questions
- When does a solar installation need a building permit in Austin?
- Ground-mounted arrays go through residential plan review and need a building permit. Roof-mounted panels need only the electrical permit.
- Where do I apply for a solar installation permit in Austin?
- Apply through Austin Build + Connect (AB+C), or call 311 (512-974-2000).
Sources
- Austin Energy, Solar Permitting Manual (May 2026). Checked 2026-10-22
[The Auxiliary Power electrical permit is] Required for any/all residential distributed generation projects interconnected to the Austin Energy grid... [Ground-mount and building-integrated PV] will require CoA Residential Plan Review [with] a corresponding…