The village police department, located behind the town hall, provides traffic enforcement, patrol, emergency response and a detectives division. Homicide investigations are handled by the Suffolk County Police Department. Thomas Fabiano is the current chief of police.
The Sag Harbor Ambulance Building is located on Columbia Street behind the Sag Harbor Fire Department Headquarters on Brick Kiln Road. The corps was founded in 1932 and the current ambulance barn was dedicated in 1992 to John A. Schoen.
Sag Harbor Village, founded in 1707, staddles the border of Southampton Town and East Hampton Town. The village's municipal building includes the clerk's office mayor's office, trustees' office, building department, treasurer, fire marshal and tax assessor. The village board also meets at village hall, on the second floor. The current mayor is Brian Gilbride. Village elections are held the third Thursday in June.
North Haven is a 2.7-square-mile island settled in 1665, north of Sag Harbor. Driving through North Haven is the only way to reach the South Ferry to Shelter Island. The village is served by the Southampton Town Police, Southampton Town Highway Department and Sag Harbor Fire Department. The current mayor is Laura Nolan.
The village board meets on the first Tuesday of the month at 5 p.m. at village hall. The zoning board of appeals, planning board and Board of Architectural Review & Historic Preservation also meet at village hall. The village has a small planning department and a part-time building inspector. North Haven Village Park is located behind the hall.
The Sag Harbor Fire Departments headquarters, including a dispatch room and the chiefs' office, is on Brick Kiln Road. Just behind it, on Columbia Street, it the substation for the Otter House Company. One of New York's oldest volunteer fire departments -and one of the oldest in the country- the Sag Harbor Fire Department has five companies: Gazelle Hose, Montauk Hose, Otter Hose, Murray Hill Hose and Phoenix Hook & Ladder. The department also has a heavy rescue squad, fire police and a dive/water rescue team. Sag Harbor often drills with North Sea, Southampton, Bridgehampton and East Hampton fire departments. The department also sponsors youth soccer teams and offers scholarships to Sag Harbor students. There is an open house every year during fire prevention week, the first or second week of October. The department has a fire museum open between Fourth of July and Labor Day, on the corner of Church Street and Sage Street. The current chief is Wayne Mortensen.
