Market Overview
Home Prices in Sullivan, WI
The median home value in Sullivan, WI is $445,774 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 5.6% compared to a year ago and up 6.4% from two years prior.
Compared to the U.S. national median of $410,000, homes in Sullivan are priced9% above average. Sullivan is part of the Watertown-Fort Atkinson, WI metro area.
Over the past five years, Sullivan home values have risen by approximately38.7%, reflecting strong long-term appreciation in this market.
Price History
Sullivan Home Price Trend
City Comparison
Sullivan vs. National Median
At $445,774, homes in Sullivan cost 9% above the national median of $410,000. Buyers in Sullivan should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Sullivan?
20% Down Payment
$89,155
on $445,774
Monthly P&I
$2,325/mo
30-yr @ 6.8%
Total Monthly Est.
~$2,953/mo
incl. taxes & insurance
Income Needed
$118,120
gross annual (30% rule)
10% Down Option
$44,577
+ PMI applies
Loan Amount (20% dn)
$356,619
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Sullivan, WI?
The median home value in Sullivan is $445,774 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 5.6% year-over-year.
How much have home prices changed in Sullivan?
Over the past year, home values in Sullivan have increased by 5.6%. Over five years, prices have risen approximately 38.7%.
How much do I need to earn to buy a home in Sullivan?
To comfortably afford the median home price of $445,774 with a 20% down payment ($89,155) at today's rates (6.8%), you'd need a gross annual income of approximately $118,120. This assumes keeping total housing costs at or below 30% of gross income.
How does Sullivan compare to the national average home price?
The national median home value is approximately $410,000. At $445,774, homes in Sullivan are 9% above the national average.
What metro area is Sullivan part of?
Sullivan is part of the Watertown-Fort Atkinson, WI metropolitan area. Home prices and market conditions can vary across the broader metro region.