O'Fallon (St. Clair County, IL) has 89 homes for sale on the MLS right now, at a median list price of $435,000. 501 homes sold here in the last 12 months at a median of $352,500.
Measured from MARIS MLS listings · updated November 10, 2026
Homes that sold in O'Fallon in the last year went for a median of $176 per square foot. They took a median of 36 days to sell.
Saturday mornings at the market, dinner downtown, and a place to make your own - all just outside your front door. Located one block from downtown O’Fallon, thi...
View DetailsWelcome to this turn-key ranch home in O'Fallon's desirable Bristol Hill community! Offering 2,355 total finished living area, this 4-bedroom, 3-bathroom home f...
View DetailsElevated in Wonderful Thornbury Hill Subdivision! This spacious all brick single story home features over 2557 finished sqft with an additional 2750 sqft in the...
View DetailsSoaring ceilings, an open floorplan, and a beautifully finished lower level create room to spread out in this sprawling O’Fallon ranch! Built in 2018, this home...
View DetailsWelcome to 808 Monterey Drive in O’Fallon! This spacious 4-bedroom, 3-bathroom home offers an abundance of living space, entertaining possibilities, and desirab...
View DetailsExtensively remodeled and ready for its next chapter! This 3-bedroom, 1-bath home in O’Fallon offers fresh finishes throughout, a fenced backyard, and an oversi...
View DetailsWelcome to 25 Vanderbilt Place in O’Fallon! This beautifully updated 4-bedroom, 2-bath home offers the perfect combination of modern improvements, comfort, and...
View DetailsOf the homes for sale now: 91% single family residence, 4% condominium, 2% villa, 1% mobile home and 1% townhouse.
By bedrooms: 1 or fewer bedrooms 6; 2 bedrooms 7; 3 bedrooms 21; 4 bedrooms 37; 5+ bedrooms 18 .
The median home for sale here was built in 2000 and has about 2,116 finished square feet above grade.
School districts named on homes for sale in O'Fallon right now, with how many listings name each:
O Fallon DIST 90 (81)Central DIST 104 (7)Shiloh Village DIST 85 (1)From MLS listing data. Boundaries can change; confirm with the district for a specific address.
The median list price of the 89 homes for sale in O'Fallon is $435,000, or about $201 per square foot, based on MLS listings as of November 10, 2026.
501 homes sold in O'Fallon in the last 12 months. The median sale price reported to the MLS was $352,500.
Active listings in O'Fallon have been on the market a median of 41 days, and homes that sold in the last 12 months took a median of 36 days.
Current O'Fallon listings name these school districts: O Fallon DIST 90, Central DIST 104, Shiloh Village DIST 85. Confirm boundaries with the district for a specific address.
See what it could sell for, with the recent sales behind the number.
What’s my home worth? Off-market & sold homesStatistics cover residential listings in MARIS MLS, computed November 10, 2026. Sale prices are as reported to the MLS. Listing data is deemed reliable but is not guaranteed. StLouisRealEstate.com is operated by Guerrilla Brokers, LLC.
