New Construction
$449,800
Views: 7
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 1,971sqft
Single family home for sale
Lombardo Homes Of St. Louis, Llc
Skip to Main Content 
New Construction1 The Sheldon C @caledonia, O'Fallon, MO 63368 
Hot
248 Cambium Ct, Wentzville, MO 63385
111 Wyndcrest Ct, Lake Saint Louis, MO 63367
944 Daffodil Ridge Dr, O Fallon, MO 63366
122 Harrow Dr, Wentzville, MO 63385Hot
2707 Post Meadows Dr, O Fallon, MO 63368 New Construction
0 Audubon Harvest, O'Fallon, MO 63385 New Construction
2 Maple Expanded At Post Farms Enclave, O'Fallon, MO 63385 
1089 Renfrew Ln, O Fallon, MO 63366New Construction
527 Apple Orchard Ln, Wentzville, MO 63385 New Construction
0 Madison Harvest, O'Fallon, MO 63385 Hot
0 Hazel Riverdale, St. Paul, MO 63366 
3D Tour
327 Dalriada Blvd, O Fallon, MO 63368New Construction
2 Sequoia At Post Farms Enclave, O'Fallon, MO 63385 New Construction
711 Grindstone Dr, Wentzville, MO 63385 3D TourNew Construction
1 Tbb Rockport Creekside Sommers, O'Fallon, MO 63367 
3321 Grace Hl Dr, Lake Saint Louis, MO 63367
101 Abington Dr, Saint Peters, MO 63376New Construction
1 Tbb Brookmont 3 Car The Villages At Post Farms, O'Fallon, MO 63385 New Construction
1 Tbb Winslow Ryehill Manor, Saint Peters, MO 63376 New Construction
2 Hermitage Ii At Post Farms Enclave, O'Fallon, MO 63385 Hot
6 Challenger (grand Columbia Ii) Ct, O Fallon, MO 63366 3D Tour
1217 Summer Lynne Dr, O Fallon, MO 63366 
1895 Lunenburg Dr, Saint Peters, MO 63376Hot
934 Annabrook Park Dr, O Fallon, MO 63366 New Construction
1 Tbb Radford Harvest Villas, O'Fallon, MO 63385 
0 The Augusta@brookside, O'fallon, MO 63366New Construction
1 Tbb Winslow 2 Car The Villages At Post Farms, O'Fallon, MO 63385 
2 Ashford At Elm Xing, O Fallon, MO 63366
1 Expanded Warson Freestanding, O'fallon, MO 633683D Tour
1435 Soaring Eagle Dr, O Fallon, MO 63366 
Price Drop: $14.9K
1597 Indian Springs Dr, O Fallon, MO 63366
603 Prairiegate Ct, Lake St Louis, MO 63367
19 Kingsmont Ct, Saint Peters, MO 63376
513 Deer Brk Dr, O Fallon, MO 63366Price Drop: $15K
127 Cobble Rd, O Fallon, MO 63366 
406 Winter Wind Dr, O'Fallon, MO 63366New Construction
2 Pin Oak At Harvest Ests, O'Fallon, MO 63385 New Construction
1 Tbb Fairfax Harvest Villas, O'Fallon, MO 63385 New Construction
1 Tbb Whitehall 2 Car The Villages At Post Farms, O'Fallon, MO 63385 New Construction
542 Apple Orchard Ln, Wentzville, MO 63385 
1 Winslow Ryehill Manor, Saint Peters, MO 63376
Do Real Estate on the Go!
Homes for Sale Under 500K in O'fallon, MO
470 Homes for Sale
Sort by:
New ConstructionHot$449,000
Views: 28
Bedrooms: 2Bds
Bathrooms: 2Ba
Area: 1,758sqft
Single family home for sale
Magnolia Real Estate
$449,000
Views: 3
Bedrooms: 3Bds
Bathrooms: 3Ba
Area: 3,040sqft
Single family home for sale
Worth Clark Realty
$448,000
Views: 12
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,634sqft
Single family home for sale
Coldwell Banker Realty - Gundaker
$446,519
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: --sqft
Single family home for sale
Listwithfreedom.Com Inc
Hot$444,900
Views: 12
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 2,719sqft
Sale Pending
Worth Clark Realty
New Construction$442,900
Views: 4
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 1,734sqft
Single family home for sale
Consort Realty, Llc
New Construction$441,900
Views: 2
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 1,989sqft
Single family home for sale
Listwithfreedom.Com Inc
$440,000
Views: 8
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 2,213sqft
Single family home for sale
Drg - Delhougne Realty Group
New Construction$438,943
Views: 9
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 1,902sqft
Single family home for sale
Listwithfreedom.Com Inc
New Construction$438,900
Views: 5
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 1,764sqft
Single family home for sale
Consort Realty, Llc
Hot$438,900
Views: 13
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,953sqft
Single family home for sale
Thomas Realty Group Llc
3D Tour$438,500
Views: 9
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 2,610sqft
Single family home for sale
Coldwell Banker Realty - Gundaker
New Construction$437,900
Views: 4
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,784sqft
Single family home for sale
Listwithfreedom.Com Inc
New Construction$437,052
Views: 10
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 1,570sqft
Single family home for sale
Listwithfreedom.Com Inc
3D TourNew Construction$436,990
Views: 9
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 1,556sqft
Single family home for sale
Realty Shop
$435,000
Views: 1
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: --sqft
Single family home for sale
Fox & Riley Real Estate
$435,000
Bedrooms: 4Bds
Bathrooms: 4Ba
Area: 4,504sqft
Sale Pending
Envision Realty
New Construction$434,900
Views: 11
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 1,678sqft
Single family home for sale
Berkshire Hathaway Homeservices Select Properties
New Construction$434,900
Views: 8
Bedrooms: 3Bds
Bathrooms: 3Ba
Area: 2,168sqft
Single family home for sale
Berkshire Hathaway Homeservices Select Properties
New Construction$432,900
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,539sqft
Single family home for sale
Listwithfreedom.Com Inc
Hot$432,775
Views: 17
Bedrooms: 2Bds
Bathrooms: 2Ba
Area: 1,826sqft
Single family home for sale
Realty Shop
3D Tour$430,000
Views: 16
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,361sqft
Single family home for sale
Cribbin Realty
$430,000
Views: 10
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 1,589sqft
Single family home for sale
Coldwell Banker Realty - Gundaker West Regional
Hot$430,000
Views: 14
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,675sqft
Single family home for sale
Cannon Realty, Inc.
New Construction$428,900
Views: 15
Bedrooms: 3Bds
Bathrooms: 3Ba
Area: 2,250sqft
Single family home for sale
Berkshire Hathaway Homeservices Select Properties
$428,000
Views: 6
Bedrooms: 3Bds
Bathrooms: 3Ba
Area: --sqft
Single family home for sale
Lombardo Homes Of St.Louis,Llc
New Construction$427,900
Views: 7
Bedrooms: 3Bds
Bathrooms: 3Ba
Area: 2,168sqft
Single family home for sale
Berkshire Hathaway Homeservices Select Properties
$425,900
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: --sqft
Single family home for sale
Listwithfreedom.Com Inc
$425,060
Views: 5
Bedrooms: 2Bds
Bathrooms: 2Ba
Area: 1,885sqft
Single family home for sale
Berkshire Hathaway Select
3D Tour$425,000
Views: 10
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,320sqft
Single family home for sale
Exp Realty, Llc
Price Drop: $14.9K$425,000
Views: 6
Bedrooms: 4Bds
Bathrooms: 4Ba
Area: 2,764sqft
Single family home for sale
Drg - Delhougne Realty Group
$425,000
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,736sqft
Sale Pending
Berkshire Hathaway Homeservices Select Properties
$425,000
Views: 10
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,448sqft
Single family home for sale
American Landmark Realty
$425,000
Bedrooms: 4Bds
Bathrooms: 4Ba
Area: --sqft
Single family home for sale
Mo Realty
Price Drop: $15K$425,000
Views: 9
Bedrooms: 4Bds
Bathrooms: 4Ba
Area: 2,702sqft
Single family home for sale
Blondin Group, Inc
$425,000
Bedrooms: 4Bds
Bathrooms: 3Ba
Area: 2,568sqft
Single family home for sale
Mac Realty Group
New Construction$424,900
Views: 1
Bedrooms: 4Bds
Bathrooms: 4Ba
Area: 2,904sqft
Single family home for sale
Listwithfreedom.Com Inc
New Construction$423,900
Views: 9
Bedrooms: 3Bds
Bathrooms: 3Ba
Area: 2,113sqft
Single family home for sale
Berkshire Hathaway Homeservices Select Properties
New Construction$421,900
Views: 10
Bedrooms: 3Bds
Bathrooms: 2Ba
Area: 1,819sqft
Single family home for sale
Berkshire Hathaway Homeservices Select Properties
New Construction$420,967
Views: 1
Bedrooms: 3Bds
Bathrooms: 3Ba
Area: 1,728sqft
Single family home for sale
Listwithfreedom.Com Inc
$420,900
Bedrooms: 3Bds
Bathrooms: 3Ba
Area: 2,168sqft
Single family home for sale
Berkshire Hathaway Select
Showing 85 - 126 of 470 homes for sale in O'Fallon, MO
Don't miss out on new listings — and get instant email alerts!
- Real Estate
- Homes For Sale
- Missouri
- O'fallon
- Homes Under $500k
Do Real Estate on the Go!
Find your dream home, receive real-time updates, and many more!
No. of Homes
No. of Homes
Based on information from Mid America Regional Information Systems, Inc. through Nov 1, 2026, 5:01 AM. 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. Some IDX listings have been excluded from this website. Properties displayed may be listed or sold by various participants in the MLS. 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.
IDX information is provided exclusively for consumers’ personal noncommercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. © 2026 Mid America Regional Information Systems, Inc. All Rights Reserved.
Click to see all homes
470
Homes Available
$ NaN
Median List Price
- Days
Avg on Market