Williams Bay, WI housing market
The typical Williams Bay home is worth about $550,000, up 3.8% in a year, 62% above the Wisconsin typical home. Homes typically sell in 56 days, a little above asking.
Home values, sales, trends and how Williams Bay compares with the towns next door — updated as new data is published.
Williams Bay at a glance
A buyer's market
More homes are for sale than are selling — about 10 months of supply. Buyers have room to negotiate.
Typical home value, 2016–2026
Show as a table
| January | Williams Bay | Wisconsin |
|---|---|---|
| 2017 | $262,000 | $180,000 |
| 2018 | $276,000 | $190,000 |
| 2019 | $290,000 | $202,000 |
| 2020 | $308,000 | $215,000 |
| 2021 | $344,000 | $238,000 |
| 2022 | $406,000 | $263,000 |
| 2023 | $453,000 | $282,000 |
| 2024 | $501,000 | $299,000 |
| 2025 | $524,000 | $317,000 |
| 2026 | $540,000 | $333,000 |
| August 2026 | $550,000 | $340,000 |
Williams Bay and its neighbors
6.5 years of income
The typical Williams Bay home costs about 6.5 years of the town's median household income, more than across Wisconsin (4.4 years).
How Williams Bay ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.