Top 10 ZIPs by size — 7.32% mortgage rate — Updated 10/27/2026
Faucet, basin and drain — new listings in, active inventory, closed sales out.as of Sep 30, 2026
How plugged is the drain? Two definitions, both ours, deliberately not reconciled.
Closed sales over 24 months — two different numbers, deliberately not merged.
Redfin market data (county + ZIP), via Lotvox. As of 2026-09-30. Normal = same-month median of monthly rates, minimum 3 same-month points. Source window 3 months (flows shown per month). Aggregated over a fixed panel of 84 zips — the panel is fixed so a change in who reports cannot look like a change in the market. months_of_supply is not published at this grain (0 non-null rows measured); derived here as active listings / closed sales per month.
Verified county coverage:Bexar County, TXComal County, TX
Monthly new for-sale listings · Redfin + Realtor.com · San Antonio, TX
as of Sep 1, 2026BALANCED — San Antonio roughly fair, negotiate on a per-ZIP basis
| ZIP | City | Score | Median Price | YoY | Burden | Buy/Rent | DOM | Supply | Gap % |
|---|---|---|---|---|---|---|---|---|---|
| 78245 | San Antonio | 67 | $253,570 | -2.1% | 19% | Buy | 90d | 4.7mo | +6.9% |
| 78254 | San Antonio | 71 | $304,573 | -1.8% | 17.3% | Buy | 74d | 5.2mo | +3.9% |
| 78253 | San Antonio | 71 | $319,964 | -2.3% | 20.2% | Neutral | 79d | 5.4mo | +3% |
| 78109 | Converse | 56 | $239,080 | -4.3% | 18% | Buy | 90d | 5.3mo | +8.6% |
| 78130 | New Braunfels | 70 | $301,994 | -1.8% | 23.6% | Neutral | 88d | 6.7mo | -0.4% |
| 78207 | San Antonio | 68 | $102,471 | -1.8% | 22% | Buy | 100d | 9.4mo | +5.4% |
| 78132 | New Braunfels | 55 | $558,866 | -1.8% | 29% | Rent | 106d | 5.9mo | -11.7% |
| 78133 | Canyon Lake | 44 | $376,497 | -2.2% | 30.7% | Neutral | 104d | 9.9mo | +62.5% |
| 78223 | San Antonio | 50 | $179,170 | -4.3% | 23.5% | Buy | 72d | 6.9mo | +21.6% |
| 78210 | San Antonio | 62 | $155,305 | -3.0% | 19.7% | Buy | 82d | 9.7mo | +18.9% |
Median price and 12-month change: Zillow Home Value Index (ZHVI); where a ZIP has no ZHVI value, the county assessor average. Days on market: Redfin Data Center, rolling 90 days; months of supply: Redfin Data Center. Rent: Zillow Observed Rent Index (ZORI); where a ZIP has no ZORI value, the Census ACS county rent.