Last updated November 13, 2026
The median home price in Weldon Spring is $450,000, down 43.6% year-over-year. Median price per square foot is down 7.9% at $198/sq. ft. Homes are selling in 75 days on average, compared to 111 days last year. As of November 13, 2026, there are 17 active listings on the market, with 2 new listings in the last 7 days.
Median home price
$450K
43.6% YoY
YoY price change
-43.6%
-$347,900
Days on market
75
-36 days YoY
Active homes
17
37.0% YoY
$450,000
17
$198
75 days
2,645 sqft
| City | Median price | YoY change | $/Sqft | Days on market | Active homes |
|---|---|---|---|---|---|
| Weldon Spring | $450,000 | -43.6% | $198 | 75 | 17 |
| Cottleville | $638,000 | +2.8% | $258 | 153 | 71 |
| Dardenne Prairie | $540,450 | -1.7% | $215 | 134 | 123 |
| St. Peters | $329,900 | 0% | $186 | 31 | 19 |
| Saint Peters | $339,900 | +1.5% | $185 | 25 | 202 |
| O'Fallon | $401,450 | — | $188 | 33 | 286 |