Plumbing Permit requirements across Texas
By Mario Bailey Last verified 2026-06-17
Requirements and size thresholds for plumbing permits vary by locality. The table below compares what each Texas county or city requires. Always confirm with the local office before starting.
| Locality | Permit required? | Typical threshold |
|---|---|---|
| Austin | Yes | Not specified |
| Dallas | Yes | Not specified |
| Houston | Yes | Not specified |
| San Antonio | Yes | Not specified |