Homes for sale under $900k in O'Fallon, MO

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NEW CONSTRUCTION

ABOUT THIS HOME
Homes for sale under $900k in O'Fallon, MO
This completed 3 Bedroom Ranch Home has a 2 Car Side Entry Garage & a 2 Car Front Entry Garage with a 2' extension & Carriage Style, 8' Tall, Insulated Garage Doors. Features Include 11' Ceilings in the Foyer, Great Rm, Kitchen & Breakfast Rm. Off the Foyer is an Office w/ Laminate Floors. The Great Rm has 6' Tall Windows with 2' Transoms above, a Gas Fireplace with Stone, Can Lighting & Laminate Floors. The Kitchen has a Huge Island, Quartz Countertops, 42" Tall Soft Close, Maple, Staggered Cabinets w/ Crown Molding, Double Trash Drawer, Stainless Appliances, Can Lighting, Under Cabinet Lighting & Laminate Floors. The Breakfast Room has a Triple 8' Tall S

$684,900

3 beds2.5 baths2,056 sq ft

110 River Grove Ct, St Peters, MO 63366

6 tall windows • Gas fireplace • 11 ceilings in foyer

NEW CONSTRUCTION

ABOUT THIS HOME
Homes for sale under $900k in O'Fallon, MO
LIMITED OPPORTUNITIES REMAIN to own an impressive, free-standing luxury villa in Keaton Woods by Bridgewater Communities, your villa experts. This tree lined enclave of luxury villas sits in a fantastic location near restaurants, shopping, medical facilities, recreation, Lambert International and easy access to Hwys 40/64,70 and 364. This 1,600 sq ft (2,450 inc the finished lower level) ranch villa offers 2 bedrooms, a main floor Study, 3 baths and an oversized 2 car garage. Features include an open floor plan, 9 ft ceilings with vaults, gas FP, lux vinyl plank flooring in the main living areas, 32 inch wide interior doorways, metal spindles with Craftsman style posts at the stairs, gourmet

$679,895

3 beds3 baths2,450 sq ft

202 Keaton Woods Dr, O Fallon, MO 63368

Open floor plan • Quartz countertops • Gourmet kitchen

ABOUT THIS HOME
Homes for sale under $900k in O'Fallon, MO
This beautiful 1.5-story home is packed with charm, style, and space. The moment you walk in, the grand open staircase and soaring living room ceilings take your breath away. The open main level is perfect for entertaining, flowing effortlessly into the chef’s kitchen with a gorgeous backsplash, granite countertops, and tons of windows filling the space with natural light. Enjoy the rare luxury of two master bedrooms, plus a bright office for work or creativity. With 9-ft ceilings, a 9-ft pour walkout basement with roughed-in plumbing, and a spacious 3-car garage, this home truly has it all. Get ready to be excited—this one is stunning!

$675,000

5 beds3 baths2,762 sq ft

434 Smithton Blvd, O Fallon, MO 63368

8,237 sq ft lot • 3 garage spots • Community pool

READY TO BUILD

$674,400

3 beds2.5 baths2,809 sq ft

LaSalle Plan, O'fallon, MO 63368

3 garage spots • Listed 577 days

Listing provided by Zillow

READY TO BUILD

ABOUT THIS HOME
Homes for sale under $900k in O'Fallon, MO
The Winslow by Fischer Homes combines spacious living with thoughtful design. The main level features 10-foot ceilings, with an optional raised ceiling in the family room, which opens to the kitchen and morning room for seamless connectivity. Two flex spaces off the entry foyer offer versatility, while the kitchen boasts an extra-large pantry with an option for a butlers pantry. A covered patio or deck is included for outdoor living, with options to add a guest suite or a private generation retreat with a separate entry in place of the included bedrooms. The Winslow is designed for comfort and adaptability to fit your lifestyle.

$669,900

3 beds2.5 baths2,690 sq ft

Winslow Plan, Ofallon, MO 63368

Covered patio • 2 garage spots • Listed 566 days

Listing provided by Zillow

Property at Mandalay Plan, O'fallon, MO 63368, 4 beds, 4.5 baths

$666,900

4 beds4.5 baths3,730 sq ft

Mandalay Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at Leland Plan, Ofallon, MO 63368, 4 beds, 2.5 baths

$664,900

4 beds2.5 baths3,045 sq ft

Leland Plan, Ofallon, MO 63368

Listing provided by Zillow

Property at New Build Savannah "e" at Dragonstone, Dardenne Prairie, MO 63385, 4 beds, 2.5 baths

$663,700

4 beds2.5 baths2,620 sq ft

New Build Savannah "e" at Dragonstone, Dardenne Prairie, MO 63385

Property at Huxley Plan, Ofallon, MO 63368, 4 beds, 2.5 baths

$662,900

4 beds2.5 baths3,180 sq ft

Huxley Plan, Ofallon, MO 63368

Listing provided by Zillow

Property at The Rainier Plan, Wentzville, MO 63385, 4 beds, 2.5 baths

$662,000

4 beds2.5 baths3,342 sq ft

The Rainier Plan, Wentzville, MO 63385

Listing provided by Zillow

Property at 230 Randlin Dr, Lake Saint Louis, MO 63367, 3 beds, 2 baths

$657,630

3 beds2 baths2,064 sq ft

230 Randlin Dr, Lake Saint Louis, MO 63367

Listing provided by Zillow

Property at Clay Plan, Ofallon, MO 63368, 4 beds, 2 baths

$656,900

4 beds2 baths3,056 sq ft

Clay Plan, Ofallon, MO 63368

Listing provided by Zillow

Property at 143 Royal Troon Dr, O Fallon, MO 63368, 3 beds, 2.5 baths

$656,163

3 beds2.5 baths2,206 sq ft

143 Royal Troon Dr, O Fallon, MO 63368

Property at 165 Cardow Dr, O'fallon, MO 63368, 4 beds, 2.5 baths

$655,900

4 beds2.5 baths2,722 sq ft

165 Cardow Dr, O'fallon, MO 63368

Property at 355 Countryshire Dr, Lake Saint Louis, MO 63367, 5 beds, 2.5 baths

$649,900

5 beds2.5 baths3,966 sq ft

355 Countryshire Dr, Lake Saint Louis, MO 63367

Property at 201 Keaton Woods Dr, O Fallon, MO 63368, 3 beds, 3 baths

$649,863

3 beds3 baths2,450 sq ft

201 Keaton Woods Dr, O Fallon, MO 63368

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

$649,800

3 beds2 baths2,570 sq ft

Stockton Plan, Dardenne Prairie, MO 63368

Listing provided by Zillow

Property at Kingston Plan, O'fallon, MO 63368, 4 beds, 3.5 baths

$647,990

4 beds3.5 baths3,649 sq ft

Kingston Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at 1 Kingston @willow Grv, Dardenne Prairie, MO 63368, 4 beds, 3.5 baths

$647,990

4 beds3.5 baths3,649 sq ft

1 Kingston @willow Grv, Dardenne Prairie, MO 63368

Property at The Harbor Plan, Wentzville, MO 63385, 4 beds, 2.5 baths

$647,000

4 beds2.5 baths3,328 sq ft

The Harbor Plan, Wentzville, MO 63385

Listing provided by Zillow

Property at 149 Haven Ridge Ct, O Fallon, MO 63368, 3 beds, 3 baths

$645,000

3 beds3 baths2,503 sq ft

149 Haven Ridge Ct, O Fallon, MO 63368

Property at 141 Cardow Dr, O Fallon, MO 63368, 4 beds, 3.5 baths

$644,900

4 beds3.5 baths3,115 sq ft

141 Cardow Dr, O Fallon, MO 63368

Property at 662 Knollshire Way, O Fallon, MO 63368, 5 beds, 4.5 baths

$639,900

5 beds4.5 baths4,778 sq ft

662 Knollshire Way, O Fallon, MO 63368

Property at 717 Southerland Dr, O Fallon, MO 63368, 4 beds, 2.5 baths

$639,900

4 beds2.5 baths3,369 sq ft

717 Southerland Dr, O Fallon, MO 63368

Property at 325 Kingsbarns Ct, Dardenne Prairie, MO 63368, 3 beds, 2.5 baths

$639,900

3 beds2.5 baths2,962 sq ft

325 Kingsbarns Ct, Dardenne Prairie, MO 63368

Property at 249 Randlin Dr, Lake Saint Louis, MO 63367, 3 beds, 2 baths

$636,618

3 beds2 baths2,064 sq ft

249 Randlin Dr, Lake Saint Louis, MO 63367

Listing provided by Zillow

Property at 236 Randlin Dr, Lake Saint Louis, MO 63367, 3 beds, 2 baths

$635,883

3 beds2 baths2,046 sq ft

236 Randlin Dr, Lake Saint Louis, MO 63367

Property at 255 Randlin Dr, Lake Saint Louis, MO 63367, 4 beds, 2.5 baths

$634,202

4 beds2.5 baths2,671 sq ft

255 Randlin Dr, Lake Saint Louis, MO 63367

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

$633,000

3 beds2.5 baths3,095 sq ft

The Redwood II Plan, Wentzville, MO 63385

Listing provided by Zillow

Property at The Glacier Plan, Wentzville, MO 63385, 4 beds, 2.5 baths

$629,000

4 beds2.5 baths2,831 sq ft

The Glacier Plan, Wentzville, MO 63385

Listing provided by Zillow

$629,000

4 beds2.5 baths3,363 sq ft

The Rainier Plan, Wentzville, MO 63385

Listing provided by Zillow

Property at Bradford Plan, O'fallon, MO 63368, 4 beds, 3.5 baths

$628,990

4 beds3.5 baths3,478 sq ft

Bradford Plan, O'fallon, MO 63368

Listing provided by Zillow

Property at 1 Bradford @willow Grv, Dardenne Prairie, MO 63368, 4 beds, 3.5 baths

$628,990

4 beds3.5 baths3,478 sq ft

1 Bradford @willow Grv, Dardenne Prairie, MO 63368

Property at 321 Kingsbarns Ct, O Fallon, MO 63368, 4 beds, 2.5 baths

$627,900

4 beds2.5 baths3,055 sq ft

321 Kingsbarns Ct, O Fallon, MO 63368

Property at 396 Haycastle Dr, Lake Saint Louis, MO 63367, 4 beds, 2.5 baths

$625,000

4 beds2.5 baths3,186 sq ft

396 Haycastle Dr, Lake Saint Louis, MO 63367

Property at 819 Upland Loop, O Fallon, MO 63368, 4 beds, 3 baths

$625,000

4 beds3 baths3,177 sq ft

819 Upland Loop, O Fallon, MO 63368

Property at 415 Filipp Ln, Lake Saint Louis, MO 63367, 4 beds, 2.5 baths

$625,000

4 beds2.5 baths3,126 sq ft

415 Filipp Ln, Lake Saint Louis, MO 63367

Property at 157 Cardow Dr, O'fallon, MO 63368, 4 beds, 2.5 baths

$624,900

4 beds2.5 baths2,475 sq ft

157 Cardow Dr, O'fallon, MO 63368

Property at Everett Plan, Ofallon, MO 63368, 2 beds, 2 baths

$622,900

2 beds2 baths2,212 sq ft

Everett Plan, Ofallon, MO 63368

Listing provided by Zillow

Property at 210 Randlin Dr, Lake Saint Louis, MO 63367, 4 beds, 2.5 baths

$622,748

4 beds2.5 baths2,956 sq ft

210 Randlin Dr, Lake Saint Louis, MO 63367

Property at 4 Challenger Ct, O Fallon, MO 63366, 2 beds, 2 baths

$622,423

2 beds2 baths1,826 sq ft

4 Challenger Ct, O Fallon, MO 63366

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Based on information submitted to the MLS GRID as of Fri Nov 28 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 $900k in O'Fallon

There are currently 434 homes for sale under $900k 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 $900k in O'Fallon, MO

Homes for sale under $900k in O'Fallon

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