78231 San Antonio
101 active listings out of 3.7K total properties we track in ZIP 78231 (San Antonio, TX) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show San Antonio metro, not just 78231. Same company, same dataset, different resolution.
Over the past 12 months, ZIP 78231 has recorded 89 home sales. In September 2026 there were9 sales (+80.0% vs the prior month).
- Tracked
- 3.7K
- Active
- 101
- Median list
- $550K
- Sales (12mo)
- 89
Right now, 101 homes are actively for sale in ZIP 78231. Median list price is $550K at $220/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).
- Tracked
- 3.7K
- Active
- 101
- Median list
- $550K
- Sales (12mo)
- 89
- Tracked
- 3.7K
- Active
- 101
- Median list
- $550K
- Sales (12mo)
- 89
- Tracked
- 3.7K
- Active
- 101
- Median list
- $550K
- Sales (12mo)
- 89
- Tracked
- 3.7K
- Active
- 101
- Median list
- $550K
- Sales (12mo)
- 89
- Tracked
- 3.7K
- Active
- 101
- Median list
- $550K
- Sales (12mo)
- 89
Inventory breakdown
Distribution of the 101 currently-active listings in ZIP 78231. Full dataset covers 3.7K properties — listings, off-market homes, rentals, and full history.
Get San Antonio 78231 data in your app
GET https://api.straply.com/v1/markets/zip/78231
Authorization: Bearer $STRAPLY_KEY{
"zip": "78231",
"total_tracked": 3677,
"active": 101,
"median_list": 549999
}Nearby ZIP codes
Other Texas ZIPs within a short drive of 78231.
ZIP 78231 · San Antonio, TX real estate: market summary
As of November 2026, Straply tracks 3,677 homes in ZIP 78231 (San Antonio, TX), with 101 active for sale at a median list price of $549,999 (~$220/sq ft). Notably, most homes were built in the 1980s.
- Median list price
- $549,999
- Median $/sq ft
- $220
- Active listings
- 101
- Properties tracked
- 3,677
Frequently asked: ZIP 78231 · San Antonio, TX real estate
What is the median home price in ZIP 78231?
The median list price in ZIP 78231 (San Antonio, TX) is $549,999 (about $220 per square foot), based on 101 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 78231?
Active listings in ZIP 78231 (San Antonio, TX) concentrate in: 37% $500k–$750k and 30% $300k–$500k.
How many homes are for sale in ZIP 78231?
Straply is tracking 101 active listings in ZIP 78231 (San Antonio, TX) out of 3,677 properties on record as of November 2026.
How old are the homes in ZIP 78231?
Most homes in ZIP 78231 (San Antonio, TX) were built in the 1980s. About 67% were built after 1980. The newest tracked home dates to 2026.
What types of homes are in ZIP 78231?
ZIP 78231 (San Antonio, TX) is mostly single-family homes (93% of listings). Also common: lots / land 6%.
How many bedrooms do homes in ZIP 78231 typically have?
The most common size in ZIP 78231 (San Antonio, TX) is 4 bd.
What areas are near ZIP 78231?
Nearby markets Straply also tracks include San Antonio 78248, San Antonio 78230, San Antonio 78216, San Antonio 78213.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.