- 3 bd
- 2 ba
- 1,669 sqft

The average Janesville, IA home value is $315,002, up 2.6% over the past year. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $315,002
1-Year Value Change: +2.6%
(Data through September 30, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Janesville, IA is $315,002 as of September 2026. This represents a 0.1% increase compared to last month and a 2.6% increase year-over-year.
Home values in Janesville, IA have increased by 0.1% month-over-month and 2.6% year-over-year.
The median home value in Janesville, IA ($315,002) compares to: Black Hawk County ($185,880), Iowa ($236,623), and the U.S. national median ($366,157).