Homes for sale under $500k in O'Fallon, MO

232 homes

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READY TO BUILD

$500,000

3 beds3 baths2,974 sq ft

The Vanguard II Plan, O'fallon, MO 63368

3 garage spots • Listed 630 days

Listing provided by Zillow

READY TO BUILD

$499,900

4 beds2.5 baths2,330 sq ft

Fairfax Plan, Ofallon, MO 63368

2 garage spots • Listed 565 days

Listing provided by Zillow

READY TO BUILD

$499,000

4 beds2.5 baths3,394 sq ft

The Palmetto Plan, O'fallon, MO 63366

3 garage spots • Listed 631 days

Listing provided by Zillow

READY TO BUILD

ABOUT THIS HOME
Homes for sale under $500k in O'Fallon, MO
The Madison is a charming 1-1/2 story home offering 2,369 square feet of living space. Upon entering, you'll find a spacious Dining Room off the Foyer, setting the tone for this open-concept layout. The kitchen, Breakfast Room, and Great Room flow seamlessly, creating an ideal space for entertaining and family gatherings. The kitchen features a large walk-in pantry, with an optional butler's pantry for added convenience. The first-floor Owner's Bedroom Suite is a private retreat, boasting a large walk-in closet and a luxurious spa-like bath. A Guest Bedroom and Bath can be added in place of the Dining Room. Upstairs, the second floor includes two additional Bedrooms, a Loft, and a Hall Bath

$496,500

3 beds2.5 baths2,369 sq ft

Madison Plan, Lake Saint Louis, MO 63367

Spa-like bath • Butler's pantry • Large walk-in closet

Listing provided by Zillow

COMING SOON

ABOUT THIS HOME
Homes for sale under $500k in O'Fallon, MO
Welcome to your dream home! This 4-bedroom, 3.5-bathroom residence combines comfort and style, offering a great living experience for families and individuals alike. Located in a quiet neighborhood within the Fort Zumwalt School District, this home provides easy access to local parks, schools, and community amenities. It’s just moments away from Civic Park and Alligator Creek, making it a location that truly has it all. Inside, you’ll find spacious bedrooms designed for relaxation and privacy, equipped with smart switches for convenience. The master bedroom and main floor feature faux wood shutters, adding a touch of sophistication. The newly renovated master bath showcases mode

$495,000

4 beds3.5 baths2,690 sq ft

3 Autumn Grove Ct, O Fallon, MO 63366

0.23 acre lot • 2 garage spots • Built 1998

Property at The Serengeti Plan, O'fallon, MO 63366, 3 beds, 2.5 baths

$495,000

3 beds2.5 baths2,810 sq ft

The Serengeti Plan, O'fallon, MO 63366

Listing provided by Zillow

Property at New Build Berkshire II "d" @ Inverness, O Fallon, MO 63368, 4 beds, 3 baths

$494,100

4 beds3 baths2,516 sq ft

New Build Berkshire II "d" @ Inverness, O Fallon, MO 63368

Property at Adams Plan, Lake Saint Louis, MO 63367, 4 beds, 2.5 baths

$489,915

4 beds2.5 baths2,671 sq ft

Adams Plan, Lake Saint Louis, MO 63367

Listing provided by Zillow

Property at Cumberland Plan, Ofallon, MO 63368, 3 beds, 2 baths

$489,900

3 beds2 baths2,439 sq ft

Cumberland Plan, Ofallon, MO 63368

Listing provided by Zillow

Property at 2 The Durango at The Grv, Unincorporated, MO 63366, 3 beds, 2 baths

$489,900

3 beds2 baths1,740 sq ft

2 The Durango at The Grv, Unincorporated, MO 63366

Property at Durango Plan, A3egcb Ofallon, MO 63366, 3 beds, 2 baths

$489,900

3 beds2 baths1,740 sq ft

Durango Plan, A3egcb Ofallon, MO 63366

Listing provided by Zillow

Property at The Geneva Plan, Wentzville, MO 63385, 3 beds, 2.5 baths

$489,000

3 beds2.5 baths2,341 sq ft

The Geneva Plan, Wentzville, MO 63385

Listing provided by Zillow

Property at The Stansbury II Plan, 5sck5p Dardenne Prairie, MO 63368, 3 beds, 3 baths

$488,000

3 beds3 baths2,644 sq ft

The Stansbury II Plan, 5sck5p Dardenne Prairie, MO 63368

Listing provided by Zillow

Property at The Forest Plan, O'fallon, MO 63366, 4 beds, 2.5 baths

$487,000

4 beds2.5 baths2,960 sq ft

The Forest Plan, O'fallon, MO 63366

Listing provided by Zillow

Property at The Rochester Plan, O'fallon, MO 63368, 2 beds, 2.5 baths

$486,000

2 beds2.5 baths2,508 sq ft

The Rochester Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at 1 Tbb Forest@brookside, O Fallon, MO 63366, 4 beds, 2.5 baths

$485,000

4 beds2.5 baths2,968 sq ft

1 Tbb Forest@brookside, O Fallon, MO 63366

Property at Franklin Plan, Saint Peters, MO 63376, 3 beds, 2 baths

$483,600

3 beds2 baths1,669 sq ft

Franklin Plan, Saint Peters, MO 63376

Listing provided by Zillow

Property at The Berkshire II Plan, O'fallon, MO 63368, 4 beds, 3 baths

$482,000

4 beds3 baths2,516 sq ft

The Berkshire II Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at Davenport Plan, Dardenne Prairie, MO 63368, 3 beds, 2 baths

$481,900

3 beds2 baths1,870 sq ft

Davenport Plan, Dardenne Prairie, MO 63368

Listing provided by Zillow

Property at The Augusta Plan, Wentzville, MO 63385, 3 beds, 2.5 baths

$480,000

3 beds2.5 baths2,106 sq ft

The Augusta Plan, Wentzville, MO 63385

Listing provided by Zillow

Property at 3 Jamesport Ct, O Fallon, MO 63366, 4 beds, 3 baths

$479,900

4 beds3 baths3,262 sq ft

3 Jamesport Ct, O Fallon, MO 63366

Property at 842 Brockwell Dr, O Fallon, MO 63368, 4 beds, 3 baths

$479,900

4 beds3 baths2,130 sq ft

842 Brockwell Dr, O Fallon, MO 63368

Property at 327 Dalriada Blvd, O Fallon, MO 63368, 3 beds, 2 baths

$479,900

3 beds2 baths1,730 sq ft

327 Dalriada Blvd, O Fallon, MO 63368

Property at 1 Magnolia@ Columbia Mdws, O'fallon, MO 63366, 2 beds, 2 baths

$479,700

2 beds2 baths1,912 sq ft

1 Magnolia@ Columbia Mdws, O'fallon, MO 63366

Property at McKinley Plan, Ofallon, MO 63367, 3 beds, 2 baths

$477,700

3 beds2 baths1,689 sq ft

McKinley Plan, Ofallon, MO 63367

Listing provided by Zillow

Property at 116 Dardenne Place Dr, O Fallon, MO 63368, 2 beds, 2 baths

$475,000

2 beds2 baths1,561 sq ft

116 Dardenne Place Dr, O Fallon, MO 63368

Property at 756 Thunder Hill Dr, O Fallon, MO 63368, 4 beds, 3.5 baths

$474,000

4 beds3.5 baths3,878 sq ft

756 Thunder Hill Dr, O Fallon, MO 63368

Property at The Bellwynn Plan, O'fallon, MO 63368, 2 beds, 2 baths

$474,000

2 beds2 baths2,292 sq ft

The Bellwynn Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at The Stetson Plan, O'fallon, MO 63368, 3 beds, 3 baths

$474,000

3 beds3 baths2,601 sq ft

The Stetson Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at 661 Clifton Hill Dr, Saint Peters, MO 63376, 3 beds, 3 baths

$473,000

3 beds3 baths2,786 sq ft

661 Clifton Hill Dr, Saint Peters, MO 63376

Property at The Oakdale Plan, O'fallon, MO 63368, 4 beds, 2.5 baths

$472,000

4 beds2.5 baths2,710 sq ft

The Oakdale Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at Yosemite Plan, Ofallon, MO 63368, 3 beds, 2.5 baths

$469,900

3 beds2.5 baths2,258 sq ft

Yosemite Plan, Ofallon, MO 63368

Listing provided by Zillow

Property at The Indigo Plan, O'fallon, MO 63366, 3 beds, 2.5 baths

$469,000

3 beds2.5 baths2,560 sq ft

The Indigo Plan, O'fallon, MO 63366

Listing provided by Zillow

Property at Magnolia Plan, O'fallon, MO 63368, 3 beds, 2 baths

$468,900

3 beds2 baths1,621 sq ft

Magnolia Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at Breckenridge Plan, O'fallon, MO 63366, 4 beds, 2.5 baths

$467,900

4 beds2.5 baths3,135 sq ft

Breckenridge Plan, O'fallon, MO 63366

Listing provided by Zillow

Property at The Glenwyck II Plan, O'fallon, MO 63368, 3 beds, 3 baths

$465,000

3 beds3 baths2,334 sq ft

The Glenwyck II Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at 5 Spinney Bough Ct, Wentzville, MO 63385, 2 beds, 2 baths

$465,000

2 beds2 baths1,758 sq ft

5 Spinney Bough Ct, Wentzville, MO 63385

Property at Barkley Plan, Ofallon, MO 63367, 3 beds, 2.5 baths

$464,990

3 beds2.5 baths2,237 sq ft

Barkley Plan, Ofallon, MO 63367

Listing provided by Zillow

Property at DaVinci Plan, Ofallon, MO 63368, 3 beds, 2 baths

$464,900

3 beds2 baths1,730 sq ft

DaVinci Plan, Ofallon, MO 63368

Listing provided by Zillow

$464,900

3 beds2 baths1,621 sq ft

Magnolia Plan, Ofallon, MO 63368

Listing provided by Zillow

Property at 1 Grand Columbia II @ Columbia Mdws, O'fallon, MO 63366, 2 beds, 2 baths

$462,800

2 beds2 baths1,826 sq ft

1 Grand Columbia II @ Columbia Mdws, O'fallon, MO 63366

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Based on information submitted to the MLS GRID as of Thu Nov 27 2025. 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.

Homes for sale under $500k in O'Fallon

There are currently 232 homes for sale under $500k in O'Fallon. Some of these homes are "Hot Homes," meaning they're likely to sell quickly. Most homes for sale in O'Fallon stay on the market for 30 days and receive 4 offers. Popular neighborhoods include La Paloma, Wyndgate Village, The Villages at Bainbridge, Wing Haven, and Ofallon Hills. This map is refreshed with the newest listings in O'Fallon every 15 minutes.

In the past month, 99 homes have been sold in O'Fallon. In addition to houses in O'Fallon, there were also 12 condos, 14 townhouses, and 2 multi-family units for sale in O'Fallon last month. O'Fallon is a not walkable city in Missouri with a Walk Score of 22. O'Fallon is home to approximately 77,225 people and 29,122 jobs. Find your dream home in O'Fallon using the tools above. Use filters to narrow your search by price, square feet, beds, and baths to find homes that fit your criteria. Our top-rated real estate agents in O'Fallon are local experts and are ready to answer your questions about properties, neighborhoods, schools, and the newest listings for sale in O'Fallon. Our O'Fallon real estate stats and trends will give you more information about home buying and selling trends in O'Fallon. If you're looking to sell your home in the O'Fallon area, our listing agents can help you get the best price. Redfin is redefining real estate and the home buying process in O'Fallon with industry-leading technology, full-service agents, and lower fees that provide a better value for Redfin buyers and sellers.

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Homes for sale under $500k in O'Fallon, MO

Homes for sale under $500k in O'Fallon

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