Start here

Homes for sale by state
Home buying tips
Before you start looking
The buying timeline

Afford it

Today's mortgage rates
Mortgage calculator
How much can I afford?
Get pre-approved

Make the deal

Writing a winning offer
Inspections & appraisals
Closing costs, itemized
Find a buyer's agent

Selling Options

What's my home worth?
Compare selling options
Get an instant cash offer
Buy before you sell

Resources

How selling works
When should I sell?
Home selling tips
Pricing your home
What's worth fixing first
Find a seller's agent

Save search Advertise Sign In

Saved homes Saved searches Your tours Your inquiries Recently viewed Account settings

Registered offenders on the map

Show registered offenders (Florida and Texas)

Registered offenders on the map

Show registered offenders (Florida and Texas)

Safety & registry resources

Review official public-safety information for any area from these government sources:

U.S. Dept. of Justice National Sex Offender Public Website (NSOPW)
FBI: state sex-offender registry directory

O'Fallon, St. Louis, MO Homes for Sale | Realty.com

Start here

Homes for sale by state
Home buying tips
Before you start looking
The buying timeline

Afford it

Today's mortgage rates
Mortgage calculator
How much can I afford?
Get pre-approved

Make the deal

Writing a winning offer
Inspections & appraisals
Closing costs, itemized
Find a buyer's agent

Save search Advertise Sign In

Saved homes Saved searches Your tours Your inquiries Recently viewed Account settings

Commercial

Registered offenders on the map

Show registered offenders (Florida and Texas)

Selling Options

What's my home worth?
Compare selling options
Get an instant cash offer
Buy before you sell

Resources

How selling works
When should I sell?
Home selling tips
Pricing your home
What's worth fixing first
Find a seller's agent

8 listings

Homes for Sale in O'Fallon, St. Louis, MO

Homes for Sale in O'Fallon, St. Louis, MO

8 Listings

Homes for Sale in O'Fallon, St. Louis, MO

8 Listings

12Active
$49,900
4 bd · 2 ba · 1,236 sqft
4137 E Lee Avenue, St Louis, MO
Cathy Davis · Mid America Property Partners
Price Reduced12Active
$21,900
3 bd · 1 ba · 1,610 sqft
4410 Red Bud Avenue, St Louis, MO
Steve LoPiccolo · American Realty Group
Price Reduced1Active
$35,000
2 bd · 2 ba · 1,058 sqft
Address withheld · St Louis, MO
Marshiana Shaw · A-List, LLC
10Active
$34,900
— bd · — ba · 1,426 sqft
4314 Penrose Street, St Louis, MO
Amorey Womack · Ascend Real Estate Advisors
9Active
$49,900
3 bd · 3 ba · 2,410 sqft
4412 Clarence Avenue, St Louis, MO
Loren Haskins · Addressed to Sell Realty LLC
Price Reduced23Active
$60,000
3 bd · 3 ba · 1,688 sqft
4502 Harris Avenue, St Louis, MO
Terri Rice · Coldwell Banker Realty - Gundaker
Price Reduced1Active
$15,000
— bd · — ba · 990 sqft
4265 E Farlin Avenue, St Louis, MO
Daijah Polk · Axen Realty, LLC
Price Reduced13Active
$49,900
3 bd · 2 ba · 1,522 sqft
4453 Athlone Avenue, St Louis, MO
Barbara Primm · Stowers Realty Group LLC

L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

© 2026 Realty.com. All rights reserved.PrivacyTermsCalifornia Privacy RightsAccessibilityLicensing

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-09-01 12:31:47 UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. 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/agent presenting the information.