Unshakable ZIP Data 78009 | Castroville, TX Housing Market
Castroville · Medina County · San Antonio-New Braunfels, TX metro · Texas · Data updated June 19, 2026
The median sale price in ZIP 78009, Castroville, Texas is $544,338 at $195 per square foot. 76 single-family homes sold in the latest period, up 20.9 percent from a year earlier. Homes sit a median of 176 days on market with 6.1 months of supply. Sellers are getting 98.0 percent of list price and 2.7 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $456,649 | |
| Average price per sq ft | $164 | |
| Median sale price | $544,338 | |
| Median sale price per sq ft | $195 | |
| Median home size | 2,786 sq ft | |
| Median new listing price | $506,976 | -11.2% |
| National size rank | 10,978 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 76 | +20.9% |
| Median days on market | 176 days | |
| Months of supply | 6.1 months | |
| New listings | 105 | -6.6% |
| Active listings | 236 | +0.9% |
| Pending sales | 88 | +13.1% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 98.0% | -0.1 pts |
| Share sold above list | 2.7% | -0.5 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$267,425
3-bedroom
$390,210
4-bedroom
$574,508
These figures describe the single-family market for Castroville, Texas ZIP 78009. They are market context, not a substitute for sold comps or a formal appraisal.