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Homes Under $500K in O'Fallon, MO
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Buy

Start here

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

Afford it

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  • Mortgage calculator
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  • Get pre-approved

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182 listings
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3 bedsNew constructionWith a pool

Homes Under $500K in O'Fallon, MO

Homes Under $500K in O'Fallon, MO

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24 of 182 Listings
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Homes Under $500K in O'Fallon, MO

24 of 182 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. 707 Genteman Road — photo33Active

    $449,000

    3 bd · 2 ba · 2,088 sqft

    707 Genteman Road, O'Fallon, MO

    Jonathan Minerick · HomeCoin.com

  2. 425 Wild Oak Drive — photoNew35Active

    $239,900

    2 bd · 3 ba · 1,290 sqft

    425 Wild Oak Drive, O'Fallon, MO

    April Brower · Worth Clark Realty

  3. 25 Folk Art Court — photo38Active

    $350,000

    3 bd · 2 ba · 2,485 sqft

    25 Folk Art Court, O'Fallon, MO

    Laura Dochwat · Worth Clark Realty

  4. 217 Royallsprings Parkway — photo15Active

    $272,000

    3 bd · 2 ba · 1,455 sqft

    217 Royallsprings Parkway, O'Fallon, MO

    Robert Salmons · Entera Realty, LLC

  5. 7567 Cinnamon Teal Drive — photo43Active

    $350,000

    3 bd · 2 ba · 1,420 sqft

    7567 Cinnamon Teal Drive, O'Fallon, MO

    Crystal McGrath · Coldwell Banker Realty - Gundaker

  6. 505 Bridle Path Lane — photo29Active

    $500,000

    3 bd · 3 ba · 2,142 sqft

    505 Bridle Path Lane, O'Fallon, MO

    Kate Thompson · EXP Realty, LLC

  7. 170 Autumn Chase Drive — photo57Active

    $370,000

    3 bd · 3 ba · 2,124 sqft

    170 Autumn Chase Drive, O'Fallon, MO

    Alli Bilger · Hero Realty, LLC

  8. 4101 Spring Creek Lane — photo18Active

    $200,000

    2 bd · 2 ba · 1,014 sqft

    4101 Spring Creek Lane, O'Fallon, MO

    Anne Callaway · Realty One Group Trifecta

  9. 4300 Spring Creek Lane — photo19Active

    $195,000

    2 bd · 2 ba · 1,014 sqft

    4300 Spring Creek Lane, O'Fallon, MO

    Joseph Domecillo · Keller Williams Realty West

  10. 59 E Homefield Point Ct — photo33Active

    $389,900

    4 bd · 3 ba · 1,913 sqft

    59 E Homefield Point Ct, O'Fallon, MO

    Sandy Qumsieh · Worth Clark Realty

  11. 239 Park Ridge Drive 74B — photo72Active

    $389,900

    3 bd · 3 ba · 2,732 sqft

    239 Park Ridge Drive 74B, O'Fallon, MO

    David Rohlfing · STL Buy & Sell, LLC

  12. 500 Flowering Magnolia Drive — photo29Active

    $310,000

    3 bd · 3 ba · 1,740 sqft

    500 Flowering Magnolia Drive, O'Fallon, MO

    LaVicki Foxwell - Hart · Coldwell Banker Realty - Gundaker

  13. 1314 Brighton Crest Drive — photo53Active

    $459,000

    4 bd · 3 ba · 2,558 sqft

    1314 Brighton Crest Drive, O'Fallon, MO

    Coreen Marnett · Alexander Realty Inc

  14. 21 White Chapel — photo19Active

    $345,900

    3 bd · 2 ba · 1,545 sqft

    21 White Chapel, O'Fallon, MO

    Georgia Rossel · CityScapes Realty

  15. 842 Whispering Rock Drive — photo20Active

    $325,000

    3 bd · 2 ba · 1,024 sqft

    842 Whispering Rock Drive, O'Fallon, MO

    Mark & Neil Gellman · EXP Realty, LLC

  16. 6 Megans Court C — photo15Active

    $170,000

    2 bd · 2 ba · 880 sqft

    6 Megans Court C, O'Fallon, MO

    Darlyshia Menzie · Berkshire Hathaway HomeServices Select Properties

  17. 1 Tbb Magnolia @ Columbia Meadows — photo33Active

    $482,282

    3 bd · 2 ba · 1,912 sqft

    1 Tbb Magnolia @ Columbia Meadows, O'Fallon, MO

    Amanda Alejandro · Realty Shop

  18. 1 Tbb Columbia @ Columbia Meadows — photo27Active

    $436,696

    3 bd · 3 ba · 1,771 sqft

    1 Tbb Columbia @ Columbia Meadows, O'Fallon, MO

    Amanda Alejandro · Realty Shop

  19. 420 Bittersweet Drive — photo25Active

    $417,000

    3 bd · 3 ba · 2,860 sqft

    420 Bittersweet Drive, O'Fallon, MO

    Mary Serra-Poorman · Coldwell Banker Realty - Gundaker

  20. 1 Tbb Grand Columbia @ Columbia Meadows — photo26Active

    $459,182

    3 bd · 2 ba · 1,826 sqft

    1 Tbb Grand Columbia @ Columbia Meadows, O'Fallon, MO

    Amanda Alejandro · Realty Shop

  21. 934 Annabrook Park Drive — photoPrice Reduced55Active

    $425,000

    4 bd · 3 ba · 2,675 sqft

    934 Annabrook Park Drive, O'Fallon, MO

    Megan Miller · Cannon Realty, Inc.

  22. 12 Shady River Court — photoPrice Reduced42Active

    $379,900

    3 bd · 2 ba · 1,661 sqft

    12 Shady River Court, O'Fallon, MO

    Alice Coose · Berkshire Hathaway HomeServices Select Properties

  23. 2211 Eagle River Drive — photoPrice Reduced58Active

    $414,900

    3 bd · 4 ba · 2,388 sqft

    2211 Eagle River Drive, O'Fallon, MO

    Mickey Deranja · Alexander Realty Inc

  24. 6 Whispering Rock Court — photoPrice Reduced30Active

    $359,900

    3 bd · 3 ba · 1,742 sqft

    6 Whispering Rock Court, O'Fallon, MO

    Lesley Wilson · Equity Missouri LLC

12…8

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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.

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Listing data & MLS disclosures

MARIS MLS
Based on information submitted to the MLS GRID as of 2026-09-01 00:31:48 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.
    • New construction
    • With a pool

    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

    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

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

    Median sale price
    $355,015$260,984–$431,639 typical range
    Price per sq. ft.
    $157
    Sales
    43
    Paid in cash
    0.0%

    Homes on the market · MLS, as of Aug 28, 2026–Aug 31, 2026

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

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

    Year-over-year
    1.9%

    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.