Home Insurance in South River, New Jersey
Homes in South River carry a median value of $405,200 - 12% lower than the Middlesex County median.
The typical home in South River was built around 1962. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. About 47% of homes were built before 1960, about 16 points above Middlesex County's 31%.
Housing in South River breaks down to 76% single-family homes and 15% apartments in buildings with 5+ units.
About 63% of owner-occupied homes in South River have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
The vacancy rate is 3%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 66% of occupied homes in South River are owner-occupied.
Most homes in South River - 86% - are primarily heated with natural gas.
FEMA rates Middlesex County's overall risk as Relatively High, led by strong wind (Very High). Middlesex County had 3,031 active NFIP flood policies as of September 2026. See the full Middlesex County home insurance overview for all FEMA hazard ratings and flood coverage details.
In New Jersey, the statewide average premium for a standard HO-3 homeowners policy is $1,551 per year (NAIC, 2023 data).
Key figures
| Median home value | $405,200 |
|---|---|
| Median year built | 1962 |
| Owner-occupied share | 66% |
| Share of owner-occupied homes with a mortgage | 63% |
| Top county hazard | Strong Wind (Very High) |
| Active NFIP policies in Middlesex County | 3,031 |
| Home insurance premium | $1,551 - 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)