Data as of March 2026. Source: Realtor.com.
The St. Charles County, MO real estate market currently shows 1,342 active listings, with 558 pending sales. Homes are averaging 48 days on the market before going under contract.
Inventory has increased compared to last year, with 35 more homes available — giving buyers more choice.
Homes are taking longer to sell, averaging 48 days on market compared to 46 days last year.
The median listing price has risen 5.8% year-over-year, from $415,000 to $439,225.
Whether you are buying or selling in St. Charles County, MO, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 408,367 · Density: 552.7/mi² · Median household income: $101,431
Typical home value: $281,030 · Homeownership: 81.1%
Saint Charles: 63301, 63302, 63303, 63304
Augusta: 63332
Cottleville: 63338
Defiance: 63341
Flinthill: 63346
Foristell: 63348
Lake Saint Louis: 63367
New Melle: 63365
Portage Des Sioux: 63373
Saint Peters: 63376
Wentzville: 63385
West Alton: 63386
Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.