Deck Permit requirements across Pennsylvania
By Mario Bailey Last verified 2026-06-17
Requirements and size thresholds for deck permits vary by locality. The table below compares what each Pennsylvania county or city requires. Always confirm with the local office before starting.
| Locality | Permit required? | Typical threshold |
|---|---|---|
| Philadelphia | Conditional | residential decks up to 216 sq ft (excluding roof decks) qualify for EZ permit without plans; larger decks require full building permit with plans |