In addition to getting a permit from your town building department (listed below), if you live in an incorporated village, you may need one from that municipality. Some villages have architectural review boards which must approve your plans.
Town/City Building Departments
Suffolk County
Babylon: (631) 957-3000
Brookhaven
East Hampton: (631) 324-4145
Huntington (Part of the Engineering Department)
Islip: (631) 224-5460
Riverhead
Shelter Island: (631) 749-0291
Smithtown
Southampton
Southold
Nassau County
- Hempstead
North Hempstead
Oyster Bay (Part of the Planning and Development Department)
City of Glen Cove: (516) 676-4448
City of Long Beach

