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Homes for Sale Under $800K in O Fallon MO
343 results
- Price cut: $19,000 (10/20)
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- Price cut: $10,900 (10/23)
- 3116 Brook Hollow Dr, O'Fallon, MO 63366
- 4 bds
- 4 ba
- 5,286 sqft
KELLER WILLIAMS REALTY ST. LOUISBeautiful see-through gas fireplace
- 656 Moffett Laurel Dr, Lake Saint Louis, MO 63367
- 3 bds
- 3 ba
- 2,425 sqft
COLDWELL BANKER REALTY - GUNDAKERPrice cut: $5,900 (10/23)
- 526 Brookside Forest Ct, O'Fallon, MO 63366
- 3 bds
- 2 ba
- 1,424 sqft
BERKSHIRE HATHAWAY HOMESERVICES SELECT PROPERTIESPrice cut: $1,000 (10/19)
- Spacious primary suite
- Savannah E, Ofallon, MO 63368
- 4 bds
- 3 ba
- 2,620 sqft
Lombardo Homes, LOMBARDO HOMES OF ST. LOUIS, LLCOpen-concept layout
- 44 Birch Brook Ct, O'Fallon, MO 63366
- 5 bds
- 3 ba
- 2,840 sqft
MORGAN TEAGUE REAL ESTATE, LLC3D Tour 
- Price cut: $15,000 (10/7)
- Price cut: $19,000 (10/20)
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- Price cut: $6,000 (10/5)
- 11 Towergate Ct, Lake Saint Louis, MO 63367
- 3 bds
- 4 ba
- 2,765 sqft
KELLER WILLIAMS REALTY WESTPrice cut: $1,005 (10/14)
- Spacious kitchen
- Price cut: $26,000 (10/1)
- Price cut: $10,100 (10/8)
- Price cut: $30,000 (10/13)
- Gas fireplace
- Newly refinished covered deck
3D Tour 
- 4 hours ago
- Price cut: $5,000 (10/22)
- Price cut: $10,000 (10/16)
- 819 Country Field Dr, Lake Saint Louis, MO 63367
- 2 bds
- 4 ba
- 1,845 sqft
REAL BROKER LLC3D Tour 
- Price cut: $10,000 (10/21)
- Corn hole
- Ranch-style duplex
- Price cut: $5,000 (10/1)
3D Tour 
- Sizable yard
- 11 days on Zillow
- 149 Lamplighter Way, O Fallon, MO 63368
- 3 bds
- 2 ba
- 1,148 sqft
COLDWELL BANKER REALTY - GUNDAKER WEST REGIONALCovered front porch
- Open floorplan
- Three additional bedrooms
- Wood burning fireplace
- Price cut: $9,900 (10/19)
- Buildable plan
- 209 Haver Hill Dr, Lake Saint Louis, MO 63367
- 4 bds
- 4 ba
- 3,679 sqft
BERKSHIRE HATHAWAY HOMESERVICES SELECT PROPERTIESResort-style pool
- 327 Dalriada Blvd, O'Fallon, MO 63368
- 3 bds
- 2 ba
- 2,610 sqft
COLDWELL BANKER REALTY - GUNDAKERCozy gas fireplace
- 106 Downview Dr, O'Fallon, MO 63368
- 4 bds
- 4 ba
- 3,988 sqft
BERKSHIRE HATHAWAY HOMESERVICES SELECT PROPERTIESShowcase 
- 221 Kerry Downs Dr, Dardenne Prairie, MO 63368
- 4 bds
- 2 ba
- 2,116 sqft
COLDWELL BANKER REALTY - GUNDAKERPrice cut: $15,000 (10/12)
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Based on information submitted to the MLS GRID as of 2026. 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. [Click here for more information](/mls-disclaimers/#17)
IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Some IDX listings have been excluded from this website. [Click here for more information](/mls-disclaimers/#197)
