Home Insurance in Duncan, South Carolina
The median home value in Duncan is $211,400, 9% lower than the Spartanburg County median.
Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild. The typical home in Duncan was built around 2001. About 14% of homes were built before 1960, about 2 points below Spartanburg County's 16%.
In Duncan, the housing stock is 65% single-family homes, 25% apartments in buildings with 5+ units and 7% mobile or manufactured homes. Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy.
77% of owner-occupied homes in Duncan carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
The vacancy rate is 9%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 57% of occupied homes in Duncan are owner-occupied.
Most homes in Duncan - 69% - are primarily heated with electricity.
Spartanburg County had 218 active NFIP flood policies as of September 2026. Its top FEMA-rated hazard is inland flooding (Relatively Moderate). See the full Spartanburg County home insurance overview for all FEMA hazard ratings and flood coverage details. Flood damage is excluded from a standard homeowners policy.
In South Carolina, the statewide average premium for a standard HO-3 homeowners policy is $1,753 per year (NAIC, 2023 data).
Key figures
| Median home value | $211,400 |
|---|---|
| Median year built | 2001 |
| Owner-occupied share | 57% |
| Share of owner-occupied homes with a mortgage | 77% |
| Top county hazard | Inland Flooding (Relatively Moderate) |
| Active NFIP policies in Spartanburg County | 218 |
| Home insurance premium | $1,753 - 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)