Realty.com
Buy

Start here

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

Afford it

  • Today's mortgage rates
  • Mortgage calculator
  • How much can I afford?
  • Get pre-approved

Make the deal

  • Writing a winning offer
  • Inspections & appraisals
  • Closing costs, itemized
  • Find a buyer's agent
Sell

Selling Options

  • What's my home worth?
  • Compare selling options
  • Get an instant cash offer
  • Buy before you sell

Resources

  • How selling works
  • When should I sell?
  • Home selling tips
  • Pricing your home
  • What's worth fixing first
  • Find a seller's agent
Home Loans
Find an Agent
Save searchAdvertiseSign In
Saved homesSaved searchesYour toursYour inquiriesRecently viewedAccount settings

Save search

Map layers

Safety

Safety & registry resources

Review official public-safety information for any area from these government sources:

  • U.S. Dept. of Justice National Sex Offender Public Website (NSOPW)
  • FBI: state sex-offender registry directory
O'Fallon, MO Homes for Sale | Realty.com
Realty.com
Buy

Start here

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

Afford it

  • Today's mortgage rates
  • Mortgage calculator
  • How much can I afford?
  • Get pre-approved

Make the deal

  • Writing a winning offer
  • Inspections & appraisals
  • Closing costs, itemized
  • Find a buyer's agent
Save searchAdvertiseSign In
Saved homesSaved searchesYour toursYour inquiriesRecently viewedAccount settings
  • Rentals
  • Commercial

277 listings
Sell

Selling Options

  • What's my home worth?
  • Compare selling options
  • Get an instant cash offer
  • Buy before you sell

Resources

  • How selling works
  • When should I sell?
  • Home selling tips
  • Pricing your home
  • What's worth fixing first
  • Find a seller's agent
Home Loans
Find an Agent
Save search

Homes for Sale in O'Fallon, MO

Homes for Sale in O'Fallon, MO

Hide Map
24 of 277 Listings
Map

Homes for Sale in O'Fallon, MO

24 of 277 Listings

Your local team in O Fallon

TO

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas
LS

Lynne Schlereth

Preferred Rate

NMLS #2378688

Call Lynne
  1. 434 Oak Barrel Drive — photo25Active

    $595,045

    4 bd · 3 ba · 2,490 sqft

    434 Oak Barrel Drive, O'Fallon, MO

    Gia Linville · Consort Realty, LLC

  2. 1 Tbb Oakridge @ Creekside At Sommers — photo9Active

    $545,990

    4 bd · 4 ba · 2,961 sqft

    1 Tbb Oakridge @ Creekside At Sommers, O'Fallon, MO

    Amanda Alejandro · Realty Shop

  3. 711 Grindstone Drive — photo24Active

    $437,052

    3 bd · 2 ba · 1,570 sqft

    711 Grindstone Drive, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  4. 2 Pin Oak II at Post Farms Enclave — photo35Active

    $509,900

    4 bd · 4 ba · 3,264 sqft

    2 Pin Oak II at Post Farms Enclave, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  5. 526 Brookside Forest Court — photoOpen house Sun, Oct 11 · 1:00 PM32Active

    $359,900

    3 bd · 2 ba · 1,424 sqft

    526 Brookside Forest Court, O'Fallon, MO

    Lisa Burkemper · Berkshire Hathaway HomeServices Select Properties

  6. 206 Cordes Street — photo37Active

    $275,000

    3 bd · 2 ba · 1,536 sqft

    206 Cordes Street, O'Fallon, MO

    Donna Metts · Alexander Realty Inc

  7. 127 Cobble Road — photo31Active

    $440,000

    4 bd · 4 ba · 2,702 sqft

    127 Cobble Road, O'Fallon, MO

    CJ Watson · Blondin Group, Inc

  8. 355 Birmingham Drive — photo38Active

    $330,000

    3 bd · 3 ba · 2,137 sqft

    355 Birmingham Drive, O'Fallon, MO

    Haylee Hercules · Berkshire Hathaway HomeServices Select Properties

  9. 2 Buckley at Post Farms Enclave — photo47Active

    $489,900

    4 bd · 3 ba · 2,570 sqft

    2 Buckley at Post Farms Enclave, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  10. 912 N Main Street — photo62Active

    $850,000

    5 bd · 4 ba · 4,945 sqft

    912 N Main Street, O'Fallon, MO

    Lindsey Jacobs · Compass Realty Group

  11. 2 Aspen at Harvest Manors — photo23Active

    $307,900

    2 bd · 2 ba · 1,150 sqft

    2 Aspen at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  12. 2 Maple at Harvest Manors — photo24Active

    $339,900

    3 bd · 2 ba · 1,745 sqft

    2 Maple at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  13. 2221 Homefield Grove Drive — photo38Active

    $489,900

    3 bd · 3 ba · 2,130 sqft

    2221 Homefield Grove Drive, O'Fallon, MO

    Bryan Sitarski · Meyer Real Estate

  14. 12 Lamplighter Lane — photo45Active

    $299,000

    4 bd · 2 ba · 1,572 sqft

    12 Lamplighter Lane, O'Fallon, MO

    Michael Schieffer · EXP Realty, LLC

  15. 2 Berwick at Harvest Manors — photo26Active

    $339,900

    3 bd · 3 ba · 1,728 sqft

    2 Berwick at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  16. 2 Sterling at Harvest Manors — photo32Active

    $345,900

    4 bd · 3 ba · 1,902 sqft

    2 Sterling at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  17. 2 Ashford at Harvest Manors — photo35Active

    $378,900

    4 bd · 3 ba · 2,548 sqft

    2 Ashford at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  18. 2 Royal II at Harvest Manors — photo33Active

    $362,900

    4 bd · 3 ba · 2,001 sqft

    2 Royal II at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  19. 2 Aspen II at Harvest Manors — photo27Active

    $342,900

    3 bd · 2 ba · 1,539 sqft

    2 Aspen II at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  20. 223 Chestnut Hill Drive — photo66Active

    $524,900

    4 bd · 4 ba · 4,440 sqft

    223 Chestnut Hill Drive, O'Fallon, MO

    Kelly Boehmer · Berkshire Hathaway HomeServices Select Properties

  21. 1353 Osage Meadows Drive — photo26Active

    $300,000

    3 bd · 3 ba · 1,129 sqft

    1353 Osage Meadows Drive, O'Fallon, MO

    Wendy Helton · Meyer Real Estate

  22. 404 Duchesne Avenue — photo17Active

    $260,000

    2 bd · 2 ba · 1,014 sqft

    404 Duchesne Avenue, O'Fallon, MO

    Tammy Dobbs · Meyer & Company Real Estate

  23. 422 Bramblett Hills — photo16Active

    $200,000

    2 bd · 2 ba · 1,121 sqft

    422 Bramblett Hills, O'Fallon, MO

    Logan Strain · Coldwell Banker Realty - Gundaker

  24. 1129 Piepers Glen Lane 8a — photo18Active

    $319,000

    2 bd · 3 ba · 1,504 sqft

    1129 Piepers Glen Lane 8a, O'Fallon, MO

    Shannon Flood · Mid Rivers Realty, LLC

12…12
Realty.com

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

Equal Housing OpportunityEqual Housing Lender

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.

© 2026 Realty.com. All rights reserved.·Privacy·Terms·California Privacy Rights·Accessibility·Licensing

Listing data & MLS disclosures

MARIS MLS
Based on information submitted to the MLS GRID as of 2026-10-06 19:31:38 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.
  • Your local team in O Fallon

    TO

    Thomas O'Leary

    Realty.com

    Lic. #2020001504

    Call Thomas
    LS

    Lynne Schlereth

    Preferred Rate

    NMLS #2378688

    Call Lynne

    Nearby areas

    ZIP codes

    • 63385 (352)
    • 63031 (155)
    • 63301 (137)
    • 63368 (121)
    • 63390 (112)
    • 63367 (110)
    • 63376 (105)
    • 63021 (101)

    Cities

    • St Louis (329)
    • St Charles (253)
    • Wentzville (225)
    • Florissant (152)
    • St Peters (108)
    • Lake St Louis (102)
    • Chesterfield (100)
    • Ballwin (89)

    O'Fallon, MO community profile

    Population
    96,497
    Median income
    $101,965
    Housing units
    36,476
    People per sq. mi.
    3,112.8
    Area
    31 sq. mi.

    Source: HJN community data

    O'Fallon housing market

    August 2026 · This period is still settling

    O'Fallon 12-month median sale price trend

    Selling at 100.0% of asking price

    Sales here are closing essentially at asking. MLS · 111 sales · as of Aug 31, 2026

    Homes that sold · County records, as of Aug 11, 2026

    Median sale price
    $363,348$247,046–$435,021 typical range
    Price per sq. ft.
    $155
    Sales
    42
    Paid in cash
    0.0%

    Homes on the market · MLS, as of Aug 31, 2026

    Median list price
    $416,000
    Homes for sale
    186
    Median days on market
    9 days

    Price trend · Assessor repeat sales, as of Aug 31, 2026

    Year-over-year
    -1.8%

    Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 29, 2026

    Median home size
    2,053 sq. ft.