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Homes Under $300K in O'Fallon, MO
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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

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29 listings
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  • Buy before you sell

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3 bedsNew constructionWith a pool

Homes Under $300K in O'Fallon, MO

Homes Under $300K in O'Fallon, MO

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24 of 29 Listings
Map

Homes Under $300K in O'Fallon, MO

24 of 29 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. 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

  2. 217 Royallsprings Parkway — photo15Active

    $272,000

    3 bd · 2 ba · 1,455 sqft

    217 Royallsprings Parkway, O'Fallon, MO

    Robert Salmons · Entera Realty, LLC

  3. 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

  4. 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

  5. 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

  6. 31 Plackemeier — photoPrice Reduced29Active

    $265,000

    3 bd · 1 ba · 1,192 sqft

    31 Plackemeier, O'Fallon, MO

    Christopher Zager · RED Realty

  7. 2 Georgetown at Harvest Townhome — photo23Active

    $259,740

    2 bd · 2 ba · 1,200 sqft

    2 Georgetown at Harvest Townhome, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  8. 2 Carolina at Post Farms Meadows — photo19Active

    $295,900

    2 bd · 2 ba · 1,214 sqft

    2 Carolina at Post Farms Meadows, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  9. 2 Arlington at Post Farms Meadows — photo18Active

    $285,900

    2 bd · 2 ba · 1,252 sqft

    2 Arlington at Post Farms Meadows, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  10. 692 Homerun Drive 62N — photo25Active

    $180,000

    2 bd · 2 ba · 992 sqft

    692 Homerun Drive 62N, O'Fallon, MO

    Jen Oliver · Nettwork Global

  11. 841 Boardwalk Springs Place — photo37Active

    $265,000

    2 bd · 4 ba · 1,595 sqft

    841 Boardwalk Springs Place, O'Fallon, MO

    Jennie Larsen · RedKey Realty Leaders

  12. 306 Wood Street — photo23Active

    $295,000

    2 bd · 1 ba · 1,386 sqft

    306 Wood Street, O'Fallon, MO

    Paula Evans · DRG - Delhougne Realty Group

  13. 247 Centerfield Drive — photoPrice Reduced22Active

    $299,000

    2 bd · 3 ba · 1,371 sqft

    247 Centerfield Drive, O'Fallon, MO

    Tonia Schmitt · EXP Realty, LLC

  14. 37 Sommer Circle Drive — photo21Active

    $299,000

    2 bd · 2 ba · 1,258 sqft

    37 Sommer Circle Drive, O'Fallon, MO

    Wayne Norwood · Janet McAfee Inc.

  15. 7101 Spring Creek Lane — photoPrice Reduced41Active

    $169,900

    2 bd · 2 ba · 1,014 sqft

    7101 Spring Creek Lane, O'Fallon, MO

    Brandon Barbier · Full Scope Home Services, Inc.

  16. 53 Country Village Court — photo28Active

    $285,000

    2 bd · 2 ba · 1,376 sqft

    53 Country Village Court, O'Fallon, MO

    Maggie Clubb · Coldwell Banker Realty - Gundaker

  17. 10 Homefield Gardens Drive 17N — photo48Active

    $165,000

    2 bd · 2 ba · 1,088 sqft

    10 Homefield Gardens Drive 17N, O'Fallon, MO

    Angela Dillmon · Keller Williams Chesterfield

  18. 101 Timber Creek Drive — photoPrice Reduced60Active

    $169,900

    2 bd · 2 ba · 985 sqft

    101 Timber Creek Drive, O'Fallon, MO

    Sandy Grassmuck · Grassmuck Realty, LLC

  19. 4301 Spring Creek Lane — photo31Active

    $195,500

    2 bd · 2 ba · 1,014 sqft

    4301 Spring Creek Lane, O'Fallon, MO

    Brandon McNamee · Mac Realty Group

  20. 160 Sunset Terrace Drive — photo21Active

    $297,387

    2 bd · 2 ba · 808 sqft

    160 Sunset Terrace Drive, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  21. 618 Homerun Drive — photoPrice Reduced42Active

    $139,900

    2 bd · 2 ba · 1,088 sqft

    618 Homerun Drive, O'Fallon, MO

    Deborah Stephens · Mid America Property Partners

  22. 1354 Great Warrior Drive — photoPrice Reduced17Active

    $299,000

    3 bd · 3 ba · 1,909 sqft

    1354 Great Warrior Drive, O'Fallon, MO

    Ben Lytle · Opendoor Brokerage LLC

  23. 411 Sunset Hollow Drive — photoPrice Reduced19Active

    $259,900

    2 bd · 3 ba · 1,193 sqft

    411 Sunset Hollow Drive, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  24. 1345 Sunburst Drive B — photoPrice Reduced3Active

    $169,000

    2 bd · 2 ba · 1,550 sqft

    1345 Sunburst Drive B, O'Fallon, MO

    Mick Sanders · Worth Clark Realty

12

Explore O Fallon homes

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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.