Shed Permit requirements across Massachusetts
By Mario Bailey Last verified 2026-06-17
Requirements and size thresholds for shed permits vary by locality. The table below compares what each Massachusetts county or city requires. Always confirm with the local office before starting.
| Locality | Permit required? | Typical threshold |
|---|---|---|
| Boston | Conditional | one-story detached accessory sheds used for tools or storage are exempt if floor area does not exceed 120 sq ft |