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St. Charles County

O'Fallon, MO Real Estate

About O'Fallon

O'Fallon is one of Missouri's largest cities and a magnet for families relocating into St. Charles County. Strong schools, abundant new construction, and a wide spread of price points make it one of the most active markets in the region.

What makes O'Fallon stand out

  • Fort Zumwalt and Wentzville School Districts
  • Heavy new-construction activity
  • Major retail and dining at WingHaven and Highway K
  • Easy access to I-64 and I-70
  • Robust parks system

AI Overview

O'Fallon is one of Missouri's largest cities. Many families moving into St. Charles County land here. Homes sit in the Fort Zumwalt and Wentzville school districts. New construction is active, so buyers can compare newer builds with resale homes. Median home prices run about $350K to $475K, which gives a wide range of choices. WingHaven and Highway K offer shopping and dining. Parks are plentiful. Interstates 64 and 70 are close. Downtown St. Louis is a 35 to 45 minute drive, and Lambert Airport is about 25 minutes away. School boundaries and new-build timelines vary by street, so check each address before you commit. Call (314) 703-7201 to set up a consultation with Jess & Co. Real Estate.

O'Fallon Market Report

All markets

O'Fallon market report

The last 30 days

Oct 12, 2026 to Nov 11, 2026

  • 402Homes for sale
  • 198New listings
  • 145Homes sold
  • $412,500Median list price
  • $355,000Median sold price
  • 27Median days on market

Based on information from Mid America Regional Information Systems, Inc. for the period 2026-10-12 through 2026-11-11.

The last 6 months

The last 6 months
MonthNew listingsHomes soldMedian sold priceMedian days on marketFor sale at month end
May 2026217171$351,00017476
Jun 2026250204$385,00017523
Jul 2026213245$379,90015493
Aug 2026201174$344,50020520
Sep 2026197198$337,75026519
Oct 2026188154$356,25032553

New listings

Recently sold

Listings displaying the MARIS logo are courtesy of the participants of the Mid America Regional Information Systems Internet Data Exchange.

Some IDX listings have been excluded from this website.

Properties displayed may be listed or sold by various participants in the MLS.

Copyright © 2026 MARIS. All Rights Reserved. Information deemed reliable but not guaranteed. Property data presented reflect information otherwise available from public records. The REALTOR® providing this information may not have represented the buyer or seller in some or all of the transactions.

© 2026 Mid America Regional Information Systems, Inc. All rights reserved.

Information from third parties, deemed reliable but not verified. All data is obtained from various sources and may not have been verified by the broker or the MLS. Supplied open house information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office or agent presenting the information. The information provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

MARIS data last updated at November 11, 2026 at 2:00 AM CST.

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