Unshakable ZIP Data 78257 | San Antonio, TX Housing Market
San Antonio · Bexar County · San Antonio-New Braunfels, TX metro · Texas · Data updated June 19, 2026
The median sale price in ZIP 78257, San Antonio, Texas is $869,742 at $234 per square foot. 40 single-family homes sold in the latest period, down 8.7 percent from a year earlier. Homes sit a median of 127 days on market with 7.8 months of supply. Sellers are getting 97.6 percent of list price and 2.6 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $948,074 | |
| Average price per sq ft | $255 | |
| Median sale price | $869,742 | |
| Median sale price per sq ft | $234 | |
| Median home size | 3,716 sq ft | |
| Median new listing price | $1,162,562 | +25.7% |
| National size rank | 12,357 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 40 | -8.7% |
| Median days on market | 127 days | |
| Months of supply | 7.8 months | |
| New listings | 83 | -2.1% |
| Active listings | 165 | +9.3% |
| Pending sales | 62 | +26.2% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 97.6% | +1.1 pts |
| Share sold above list | 2.6% | -4.3 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
3-bedroom
$688,811
4-bedroom
$966,463
5-bedroom
$1,324,366
These figures describe the single-family market for San Antonio, Texas ZIP 78257. They are market context, not a substitute for sold comps or a formal appraisal.