Unshakable ZIP Data 37031 | Castalian Springs, TN Housing Market
Castalian Springs · Sumner County · Nashville-Davidson--Murfreesboro--Franklin, TN metro · Tennessee · Data updated June 19, 2026
The median sale price in ZIP 37031, Castalian Springs, Tennessee is $474,859 at $249 per square foot. 26 single-family homes sold in the latest period, up 28.7 percent from a year earlier. Homes sit a median of 104 days on market with 2.4 months of supply. Sellers are getting 97.8 percent of list price and 12.0 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $426,671 | |
| Average price per sq ft | $223 | |
| Median sale price | $474,859 | |
| Median sale price per sq ft | $249 | |
| Median home size | 1,909 sq ft | |
| Median new listing price | $470,974 | -0.8% |
| National size rank | 15,100 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 26 | +28.7% |
| Median days on market | 104 days | |
| Months of supply | 2.4 months | |
| New listings | 17 | -63.3% |
| Active listings | 41 | -32.5% |
| Pending sales | 21 | -29.1% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 97.8% | +1.0 pts |
| Share sold above list | 12.0% | +7.0 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
These figures describe the single-family market for Castalian Springs, Tennessee ZIP 37031. They are market context, not a substitute for sold comps or a formal appraisal.