In most New York jurisdictions, sheds under 144 sq ft with no electrical, plumbing, or mechanical systems do not require a building permit. Setback requirements and zoning rules still apply to all sheds, and utility connections require trade permits. Verify with your specific city or county before building.
Statewide Permit Threshold
New York State adopts the Uniform Fire Prevention and Building Code. The statewide threshold is based on the 12-foot dimension rule — sheds with no dimension exceeding 12 feet (144 sq ft maximum) are typically exempt. New York City has stricter rules. Verify with your local building department.
| Shed Type | Permit Required? | Notes |
|---|---|---|
| Under 144 sq ft, no utilities, detached | NO | Typical statewide baseline. Your city or county may have a lower threshold. |
| 144 sq ft or over | YES | Building permit required. Contact your local building department to apply. |
| Any shed with electricity | YES | Electrical permit required in all New York jurisdictions. |
| Attached to house | YES | Treated as a home addition — full building permit required. |
| In FEMA flood hazard area | YES | Additional flood zone requirements apply regardless of shed size. |
Setback Requirements
Even permit-exempt sheds in New York must comply with local setback requirements — minimum distances from property lines, easements, and other structures. Typical setbacks in New York residential zones:
- Rear property line: 5 feet minimum (verify locally — may be different in your zone)
- Side property lines: 5 feet minimum (verify locally)
- Front yard: Sheds are not permitted in the front yard in most New York residential zones
- Easements: Sheds cannot be placed over utility, drainage, or access easements
How to Apply for a Shed Permit in New York
- Determine your jurisdiction — Confirm whether your property is inside an incorporated city or in an unincorporated county area. Permit authority differs between the two.
- Contact your building department — Call or visit your city's or county's building department to confirm current requirements and get the application form or portal link.
- Prepare your documents — Site plan showing your lot, house, proposed shed location, and setback distances; shed dimensions; foundation type; utility information.
- Submit your application — Online, by mail, or in person depending on your jurisdiction.
- Pay the permit fee — Typical range in New York: $75–$300 for a residential shed.
- Schedule inspections — Follow your permit's required inspection schedule.
Key Building Department Contacts
Nassau County: (516) 571-3030