Are home prices going up or down in St. Charles County, MO?

In St. Charles County, MO, the typical home sold for $385,000 during May 2026. That is 4% higher than the same stretch a year ago, so prices are up.

$385,000

Typical sale price

▲ 4% vs last year

$350,000

Three years ago

$189

Per square foot

$387,000

Typical asking price

Over the last 36 months the typical sale price in St. Charles County, MO went from $350,000 to $385,000 — up 10%.

Prices are at their highest point in that three-year window right now.

Measured by size, homes in St. Charles County, MO are selling for about $189 per square foot. Price per square foot is the fairer comparison when the mix of what sells shifts from month to month — a run of big houses can push the typical price up without anything actually getting more expensive.

Source: Redfin's published market data for the St. Charles County, MO area, through May 2026.

Typical sale price, month by month.

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Figures come from Redfin's published market data for the St. Charles County, MO area, through May 2026. Neighborhood Numbers is an independent data publisher and is not affiliated with Redfin. We update these pages when Redfin publishes, once a month.