- 3 bd
- 3 ba
- 2,149 sqft

The average Union County, OH home value is $411,030, up 1.8% over the past year, and homes go to pending in around 13 days. (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: $411,030
1-Year Value Change: +1.8%
(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 Union County, OH is $411,030 as of September 2026. This represents a 0.3% increase compared to last month and a 1.8% increase year-over-year.
The median home value in Union County, OH ($411,030) compares to Ohio ($245,982) and the U.S. national median ($366,157).
The cities with the highest median home values in Union County, OH include: Marysville ($368,459), Raymond ($320,702), Milford Center ($305,618), West Mansfield ($271,604), Richwood ($256,088). These cities represent the most expensive areas within the county.