- 4 bd
- 3 ba
- 3,650 sqft

The average Williamson County, TN home value is $929,377, up 2.4% over the past year, and homes go to pending in around 35 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: $929,377
1-Year Value Change: +2.4%
(Data through August 31, 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 Williamson County, TN is $929,377 as of August 2026. This represents a 0.5% increase compared to last month and a 2.4% increase year-over-year.
The median home value in Williamson County, TN ($929,377) compares to Tennessee ($334,108) and the U.S. national median ($368,697).
The cities with the highest median home values in Williamson County, TN include: Brentwood ($1,404,388), College Grove ($1,288,183), Arrington ($1,174,298), Franklin ($925,870), Nolensville ($843,614). These cities represent the most expensive areas within the county.