Market Overview
Home Prices in Lannon, WI
The median home value in Lannon, WI is $517,266 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 5.2% compared to a year ago and down 2.4% from two years prior.
Compared to the U.S. national median of $410,000, homes in Lannon are priced26% above average. Lannon is part of the Milwaukee-Waukesha, WI metro area.
Over the past five years, Lannon home values have risen by approximately25.9%, reflecting strong long-term appreciation in this market.
Price History
Lannon Home Price Trend
City Comparison
Lannon vs. National Median
At $517,266, homes in Lannon cost 26% above the national median of $410,000. Buyers in Lannon should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Lannon?
20% Down Payment
$103,453
on $517,266
Monthly P&I
$2,698/mo
30-yr @ 6.8%
Total Monthly Est.
~$3,426/mo
incl. taxes & insurance
Income Needed
$137,040
gross annual (30% rule)
10% Down Option
$51,727
+ PMI applies
Loan Amount (20% dn)
$413,813
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 Lannon, WI?
The median home value in Lannon is $517,266 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 5.2% year-over-year.
How much have home prices changed in Lannon?
Over the past year, home values in Lannon have increased by 5.2%. Over five years, prices have risen approximately 25.9%.
How much do I need to earn to buy a home in Lannon?
To comfortably afford the median home price of $517,266 with a 20% down payment ($103,453) at today's rates (6.8%), you'd need a gross annual income of approximately $137,040. This assumes keeping total housing costs at or below 30% of gross income.
How does Lannon compare to the national average home price?
The national median home value is approximately $410,000. At $517,266, homes in Lannon are 26% above the national average.
What metro area is Lannon part of?
Lannon is part of the Milwaukee-Waukesha, WI metropolitan area. Home prices and market conditions can vary across the broader metro region.