Home Insurance in South Plainfield, New Jersey
Homes in South Plainfield carry a median value of $470,900 - close to the Middlesex County median.
The typical home in South Plainfield was built around 1964. About 44% of homes were built before 1960, about 14 points above Middlesex County's 31%. Aging wiring, roofing and plumbing in older homes can push up the cost to insure or rebuild them.
In South Plainfield, the housing stock is 84% single-family homes and 11% apartments in buildings with 5+ units.
About 68% of owner-occupied homes in South Plainfield have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
The vacancy rate is 2%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 86% of occupied homes in South Plainfield are owner-occupied.
In South Plainfield, 84% of homes are primarily heated with natural gas.
Middlesex County's top FEMA-rated hazard is strong wind (Very High), per FEMA's National Risk Index. 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 | $470,900 |
|---|---|
| Median year built | 1964 |
| Owner-occupied share | 86% |
| Share of owner-occupied homes with a mortgage | 68% |
| 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)