Housing market · ZIP 54234
Sister Bay, WI Home Prices & Forecast
Median value and 12-month outlook · as of April 2026
Median home value
$511,608
3-month+1.4%
6-month+3.1%
12-month+1.4%
Touse 12-month forecast
+1.7%
Projected median near $520,203 over the next 12 months
As of April 2026, the median home value in Sister Bay, WI (ZIP 54234) is $511,608. Prices are stable, up 1.4% over the past year. Touse's model projects a +1.7% change over the next 12 months, putting the median near $520,203.
Nearby areas in Door
Estimates are derived from Zillow Research price history and Touse's forecasting model (LightGBM + Prophet). Forecasts are 12-month projections with inherent uncertainty, not guarantees, and are not financial advice. Confirm with a licensed professional before any decision.