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Start here

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

Afford it

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How much can I afford?
Get pre-approved

Make the deal

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

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3 beds New construction With a pool

39 listings

4 Bedroom Homes in O'Fallon, IL

4 Bedroom Homes in O'Fallon, IL

24 of 39 Listings

4 Bedroom Homes in O'Fallon, IL

24 of 39 Listings

38

Active

$289,900

4 bd · 2 ba · 1,580 sqft

113 White Pine Avenue, O'Fallon, IL

Courtney Marsh · Red Door Realty Group Inc

$448,000

4 bd · 3 ba · 2,450 sqft

513 Frost Court, O'Fallon, IL

Sarah Speakes · Coldwell Banker Brown Realtors

$465,000

4 bd · 3 ba · 2,795 sqft

625 Monarch Drive, O'Fallon, IL

Angela Wrather · Keller Williams Pinnacle

$389,900

4 bd · 3 ba · 2,451 sqft

832 Bridgeway Drive, O'Fallon, IL

Janell Schmittling · Homes By Janell

$400,000

4 bd · 3 ba · 2,632 sqft

810 Meadowlark Drive, O'Fallon, IL

Lisa Diserens · Re/Max Signature Properties

$735,000

4 bd · 5 ba · 5,120 sqft

160 O'Fallon Troy Road, O'Fallon, IL

Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

$640,000

4 bd · 4 ba · 3,306 sqft

1395 Dove Hollow Circle, O'Fallon, IL

Janell Schmittling · Homes By Janell

$739,900

4 bd · 4 ba · 3,263 sqft

577 Tea Olive Blvd, O'Fallon, IL

Brad Copelin · Judy Dempcy Homes Powered by KW Pinnacle

$475,000

4 bd · 4 ba · 3,767 sqft

799 Allenbrook Avenue, O'Fallon, IL

Mareva Durbin · Keller Williams Marquee

$575,000

4 bd · 3 ba · 2,696 sqft

1365 Dove Hollow Court, O'Fallon, IL

Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

$300,000

4 bd · 3 ba · 2,378 sqft

1020 N Smiley Street, O'Fallon, IL

Jean Lewis · Keller Williams Pinnacle

Price Reduced54Active

$519,900

4 bd · 3 ba · 3,929 sqft

13 Timber Oak Drive, O'Fallon, IL

Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

$673,800

4 bd · 3 ba · 3,203 sqft

581 Tea Olive Boulevard, O'Fallon, IL

Brad Copelin · Judy Dempcy Homes Powered by KW Pinnacle

$669,000

4 bd · 3 ba · 3,332 sqft

412 Alder Ridge Drive, O'Fallon, IL

Janell Schmittling · Homes By Janell

Price Reduced56Active

$450,000

4 bd · 3 ba · 2,464 sqft

520 Longfellow Drive, O'Fallon, IL

Adrienne Schaefer · eXp Realty

Price Reduced41Active

$430,000

4 bd · 4 ba · 3,190 sqft

1511 Nottinghill Drive, O'Fallon, IL

Sally Hohn · Coldwell Banker Brown Realtors

Price Reduced95Active

$1,195,000

4 bd · 5 ba · 6,183 sqft

804 Saint Nicholas Drive, O'Fallon, IL

Janell Schmittling · Homes By Janell

$400,000

4 bd · 3 ba · 2,793 sqft

1117 Woodleaf Drive, O'Fallon, IL

Stephen Ellerbrake · Keller Williams Pinnacle

Price Reduced59Active

$585,000

4 bd · 4 ba · 3,588 sqft

1331 Timber Ridge Trace Drive, O'Fallon, IL

David Walker · Keller Williams Marquee

Price Reduced34Active

$485,000

4 bd · 3 ba · 2,624 sqft

6992 Milburn Estates Drive, O'Fallon, IL

Erika Langenhorst · Worth Clark Realty

$519,900

4 bd · 3 ba · 2,740 sqft

1232 Ole Town Bridge, O'Fallon, IL

Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

Price Reduced45Active

$410,000

4 bd · 3 ba · 4,086 sqft

442 Schwarz Road, O'Fallon, IL

Linda Linder · Strano & Associates

$289,900

4 bd · 3 ba · 1,569 sqft

506 E Washington Street, O'Fallon, IL

Whitney Wisnasky-Bettorf · Red Door Realty Group Inc

$620,000

4 bd · 3 ba · 2,800 sqft

709 Creekwood, O'Fallon, IL

Steven Bennett · Re/Max Signature Properties

1 2

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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.

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New construction
With a pool

Your local brokerage

JJ

Jeffrey Jonas

Realty.com

Lic. #471.004966

Your local brokerage

JJ

Jeffrey Jonas

Realty.com

Lic. #471.004966

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-09-04 12:42:48 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.

O'Fallon, IL community profile

Population: 31,290
Median income: $101,491
Housing units: 12,629
People per sq. mi.: 1,967.9
Area: 15.9 sq. mi.

Source: HJN community data

O'Fallon housing market

July 2026 · This period is still settling

Homes on the market · MLS, as of Jul 17, 2026–Jul 21, 2026

Median list price: $439,900
Homes for sale: 81
Median days on market: 28 days

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 15, 2026

Median home size: 1,288 sq. ft.

4 Bedroom Homes in O'Fallon, IL