Home Insurance in Waukesha County, Wisconsin
Homes in Waukesha County carry a median value of $398,200 - 49% higher than the Wisconsin median.
Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild. The typical home in Waukesha County was built around 1981. About 20% of homes were built before 1960, about 14 points below Wisconsin's 33%.
The housing stock in Waukesha County is 75% single-family homes, 19% apartments in buildings with 5+ units and 1% mobile or manufactured homes.
About 65% of owner-occupied homes in Waukesha County have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
The vacancy rate is 4%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 76% of occupied homes in Waukesha County are owner-occupied.
77% of homes in Waukesha County are primarily heated with natural gas.
The top hazards for Waukesha County, per FEMA's National Risk Index, are hail (Relatively High), tornado (Relatively High) and inland flooding (Relatively Moderate).
Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy. As of September 2026, Waukesha County has 659 active NFIP flood policies on file.
The statewide average premium for a standard HO-3 homeowners policy in Wisconsin is $923 per year, according to the NAIC homeowners insurance report (2023 data).
Key figures
| Median home value | $398,200 |
|---|---|
| Median year built | 1981 |
| Owner-occupied share | 76% |
| Share of owner-occupied homes with a mortgage | 65% |
| Top hazards (FEMA National Risk Index) | Hail (Relatively High), Tornado (Relatively High), Inland Flooding (Relatively Moderate) |
| Active NFIP flood policies (county) | 659 |
| Home insurance premium | $923 - statewide average (NAIC, 2023 data) |
Towns and cities
- Big Bend
- Brookfield
- Butler
- Chenequa
- Delafield
- Dousman
- Eagle
- Elm Grove
- Hartland
- Lac La Belle
- Lannon
- Lisbon
- Menomonee Falls
- Merton
- Muskego
- Nashotah
- North Prairie
- Oconomowoc
- Oconomowoc Lake
- Pewaukee
- Pewaukee
- Summit
- Sussex
- Vernon
- Wales
- Waukesha
- Waukesha
Smaller communities
-
Mukwonago
- Median home value: $366,200
- Median year built: 1990
- Owner-occupied share: 73%
-
New Berlin
- Median home value: $365,700
- Median year built: 1978
- Owner-occupied share: 76%
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)