Home Insurance in Sag Harbor, New York
Homes in Sag Harbor carry a median value of $1,615,900 - 179% higher than the Suffolk County median.
Aging wiring, roofing and plumbing in older homes can push up the cost to insure or rebuild them. The typical home in Sag Harbor was built around 1958. About 52% of homes were built before 1960, about 22 points above Suffolk County's 31%.
Housing in Sag Harbor breaks down to 93% single-family homes and 3% apartments in buildings with 5+ units.
In Sag Harbor, about 42% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
Sag Harbor has an owner-occupancy rate of 83% and a vacancy rate of 46%; unoccupied homes typically need a different coverage form.
Homes heated with fuel oil can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies. In Sag Harbor, 43% of homes are primarily heated with fuel oil.
FEMA rates Suffolk County's overall risk as Relatively High, led by winter weather (Very High). Suffolk County had 28,345 active NFIP flood policies as of September 2026. See the full Suffolk County home insurance overview for all FEMA hazard ratings and flood coverage details.
In New York, the statewide average premium for a standard HO-3 homeowners policy is $1,801 per year (NAIC, 2023 data).
Key figures
| Median home value | $1,615,900 |
|---|---|
| Median year built | 1958 |
| Owner-occupied share | 83% |
| Share of owner-occupied homes with a mortgage | 42% |
| Top county hazard | Winter Weather (Very High) |
| Active NFIP policies in Suffolk County | 28,345 |
| Home insurance premium | $1,801 - statewide average (NAIC, 2023 data) |
Nearby towns
Sources
Data last updated: 2026-09-29
- U.S. Census Bureau Gazetteer Files (2024)
- U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates (2024)
- FEMA National Risk Index (December 2025)
- FEMA OpenFEMA NFIP Redacted Policies v3 (2026)
- NAIC Dwelling Fire, Homeowners Owner-Occupied, and Homeowners Tenant and Condominium/Cooperative Unit Owners Insurance: Data for 2023 (published 2026) (2023)