Home Insurance in West Alton, Missouri
Homes in West Alton carry a median value of $153,100 - 52% lower than the St. Charles County median.
The typical home in West Alton was built around 1960. About 50% of homes were built before 1960, about 43 points above St. Charles County's 7%. Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild.
The housing stock in West Alton is 99% single-family homes.
In West Alton, about 65% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
West Alton has an owner-occupancy rate of 86% and a vacancy rate of 29%; unoccupied homes typically need a different coverage form.
Most homes in West Alton - 56% - are primarily heated with electricity. Homes heated with propane can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies.
FEMA rates St. Charles County's overall risk as Relatively Moderate, led by strong wind (Very High). St. Charles County had 1,306 active NFIP flood policies as of September 2026. See the full St. Charles County home insurance overview for all FEMA hazard ratings and flood coverage details.
In Missouri, the statewide average premium for a standard HO-3 homeowners policy is $1,589 per year (NAIC, 2023 data).
Key figures
| Median home value | $153,100 |
|---|---|
| Median year built | 1960 |
| Owner-occupied share | 86% |
| Share of owner-occupied homes with a mortgage | 65% |
| Top county hazard | Strong Wind (Very High) |
| Active NFIP policies in St. Charles County | 1,306 |
| Home insurance premium | $1,589 - statewide average (NAIC, 2023 data) |
Nearby towns
- Black Jack
- Bellefontaine Neighbors
- Florissant
- Riverview
- Dellwood
- Moline Acres
- Portage Des Sioux
- Jennings
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)