Home Insurance in Somerset County, New Jersey
Homes in Somerset County carry a median value of $552,100 - 22% higher than the New Jersey median.
The typical home in Somerset County was built around 1982. About 24% of homes were built before 1960, about 13 points below New Jersey's 38%. Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild.
Housing in Somerset County breaks down to 72% single-family homes and 18% apartments in buildings with 5+ units.
About 64% of owner-occupied homes in Somerset County 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 74% of occupied homes in Somerset County are owner-occupied.
79% of homes in Somerset County are primarily heated with natural gas.
Per FEMA's National Risk Index, Somerset County's top hazards are inland flooding (Relatively High), winter weather (Relatively High) and strong wind (Relatively High).
Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy. As of September 2026, Somerset County has 1,732 active NFIP flood policies on file.
According to the NAIC homeowners insurance report (2023 data), a standard HO-3 homeowners policy in New Jersey carries a statewide average premium of $1,551 per year.
Key figures
| Median home value | $552,100 |
|---|---|
| Median year built | 1982 |
| Owner-occupied share | 74% |
| Share of owner-occupied homes with a mortgage | 64% |
| Top hazards (FEMA National Risk Index) | Inland Flooding (Relatively High), Winter Weather (Relatively High), Strong Wind (Relatively High) |
| Active NFIP flood policies (county) | 1,732 |
| Home insurance premium | $1,551 - statewide average (NAIC, 2023 data) |
Towns and cities
- Bernardsville
- Bound Brook
- Far Hills
- Manville
- Millstone
- North Plainfield
- Peapack and Gladstone
- Raritan
- Rocky Hill
- Somerville
- South Bound Brook
- Watchung
Sources
- 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)