Weldon Spring, MO housing market
The typical Weldon Spring home is worth about $640,000, up 3.4% in a year, 139% above the Missouri typical home. Homes typically sell in 16 days, a little above asking.
Home values, sales, trends and how Weldon Spring compares with the towns next door — updated as new data is published.
Weldon Spring at a glance
A strong seller's market
Homes are selling faster than new ones are listed: less than two months of supply. Well-priced homes can draw several offers.
Typical home value, 2016–2026
Show as a table
| January | Weldon Spring | Missouri |
|---|---|---|
| 2017 | $381,000 | $148,000 |
| 2018 | $393,000 | $156,000 |
| 2019 | $405,000 | $165,000 |
| 2020 | $419,000 | $173,000 |
| 2021 | $457,000 | $193,000 |
| 2022 | $520,000 | $219,000 |
| 2023 | $548,000 | $237,000 |
| 2024 | $578,000 | $247,000 |
| 2025 | $609,000 | $258,000 |
| 2026 | $638,000 | $263,000 |
| August 2026 | $640,000 | $268,000 |
Weldon Spring and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Weldon Spring | $640K | +3.4% | 16 | $158,548 |
| St. Peters | $324K | +3.8% | 25 | $91,637 |
| O'Fallon | $380K | +1.7% | 8 | $110,443 |
| Chesterfield | $576K | +3.7% | 7 | $133,037 |
4 years of income
The typical Weldon Spring home costs about 4 years of the town's median household income, about the same as across Missouri (3.8).
How Weldon Spring ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
Recent listings in Weldon Spring
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.