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County Overview

St. Charles County, MO

Aggregate real estate market report across county ZIPs
Buyer's Market
March 2026  ·  Source: Realtor.com

Market Analysis

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.

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Market Context

Market Context

Population: 408,367  ·  Density: 552.7/mi²  ·  Median household income: $101,431

Typical home value: $281,030  ·  Homeownership: 81.1%

Included Areas

Saint Charles: 63301, 63302, 63303, 63304

O'Fallon: 63366, 63368

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

Area Map

Market Overview

Active Listings
1,342
⇧ 2.7% vs 1,307 last year
Pending
558
42% pending ratio
Median Price
$439,225
⇧ 5.8% vs $415,000 last year
Average Price
$497,806
⇧ 6.3% vs $468,383 last year
Days on Market
48
⇧ 4.3% vs 46 days last year

Price Per Square Foot

Median $/sqft
$200
⇧ 3.1% vs $194/sqft last year
Median Home Size
2,168 sqft
Typical listing size
12-Month $/sqft Trend

Sale-to-List Price Dynamics

At Original Price
99.9%
Listings with no price change
Price Reduced
0.1%
⇩ 8.4% vs 0.1% last year
Price Increased
0%
⇩ 34.4%
12-Month Price Reduction Trend

Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.

12-Month Trends

Historical Trend Charts

Median Price
Average Price
Days on Market
Total Listings
Pending Listings
Active Listings
New Listings
Price Per Sqft
Price Reduced %