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Homes Under $500K in O'Fallon, IL
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  • The buying timeline

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47 listings
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3 bedsNew constructionWith a pool

Homes Under $500K in O'Fallon, IL

Homes Under $500K in O'Fallon, IL

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24 of 47 Listings
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Homes Under $500K in O'Fallon, IL

24 of 47 Listings

Your local brokerage

JJ

Jeffrey Jonas

Realty.com

Lic. #471.004966

Call Jeffrey
  1. 1465 Schwarz Meadow Drive — photo71Active

    $365,000

    3 bd · 4 ba · 2,132 sqft

    1465 Schwarz Meadow Drive, O'Fallon, IL

    Kathy Mordini · Avenue Realty Associates

  2. 209 E 3rd Street — photo24Active

    $199,900

    2 bd · 1 ba · 1,485 sqft

    209 E 3rd Street, O'Fallon, IL

    Robby Nguyen · Worth Clark Realty

  3. 413 N Vine Street — photo48Active

    $275,000

    3 bd · 3 ba · 1,580 sqft

    413 N Vine Street, O'Fallon, IL

    Shawna Holtman · Keller Williams Pinnacle

  4. 421 W Highway 50 — photo32Active

    $299,900

    3 bd · 2 ba · 1,500 sqft

    421 W Highway 50, O'Fallon, IL

    Janell Schmittling · Homes By Janell

  5. 810 Meadowlark Drive — photo49Active

    $400,000

    4 bd · 3 ba · 2,632 sqft

    810 Meadowlark Drive, O'Fallon, IL

    Lisa Diserens · Re/Max Signature Properties

  6. 204 Marilyn Drive — photo44Active

    $273,000

    2 bd · 2 ba · 2,633 sqft

    204 Marilyn Drive, O'Fallon, IL

    Janet Freed · Re/Max Signature Properties

  7. 1579 Meade Drive — photo56Active

    $415,000

    3 bd · 3 ba · 1,869 sqft

    1579 Meade Drive, O'Fallon, IL

    Whitney Wisnasky-Bettorf · Red Door Realty Group Inc

  8. 646 Rain Hollow Drive — photo22Active

    $90,000

    3 bd · 2 ba · 1,204 sqft

    646 Rain Hollow Drive, O'Fallon, IL

    Jeb Blasingame · Keller Williams Marquee

  9. 713 Hartman Lane — photo10Active

    $197,000

    2 bd · 1 ba · 1,450 sqft

    713 Hartman Lane, O'Fallon, IL

    Cathleen Bollmeier · Coldwell Banker Brown Realtors

  10. 208 W State Street — photo33Active

    $355,000

    3 bd · 3 ba · 1,600 sqft

    208 W State Street, O'Fallon, IL

    Lisa Colon · RE/MAX Alliance

  11. 166 Hodgens Mill Lane — photo14Active

    $399,000

    3 bd · 3 ba · 2,483 sqft

    166 Hodgens Mill Lane, O'Fallon, IL

    Gary Seid · Keller Williams Marquee

  12. 752 Bassett Street — photo51Active

    $449,000

    5 bd · 4 ba · 2,772 sqft

    752 Bassett Street, O'Fallon, IL

    Sarah Speakes · Coldwell Banker Brown Realtors

  13. 287 Eagle Ridge — photo19Active

    $115,000

    2 bd · 1 ba · 1,008 sqft

    287 Eagle Ridge, O'Fallon, IL

    Kevin Beck · Kunkel Wittenauer Group, Inc

  14. 1013 S Walnut Street — photo25Active

    $319,900

    3 bd · 3 ba · 2,050 sqft

    1013 S Walnut Street, O'Fallon, IL

    Tristan Reising · Mustard Seed Realty

  15. 207 Marilyn Drive — photoPrice Reduced31Active

    $239,900

    3 bd · 3 ba · 1,755 sqft

    207 Marilyn Drive, O'Fallon, IL

    Courtney Marsh · Red Door Realty Group Inc

  16. 118 Alice — photo17Active

    $239,900

    3 bd · 2 ba · 1,454 sqft

    118 Alice, O'Fallon, IL

    Sharon Zrenner · Real Estate Pro's, LLC

  17. 732 Seagate Drive — photo20Active

    $135,000

    — bd · — ba · — sqft

    732 Seagate Drive, O'Fallon, IL

    Jeb Blasingame · Keller Williams Marquee

  18. 799 Allenbrook Avenue — photo51Active

    $475,000

    4 bd · 4 ba · 3,767 sqft

    799 Allenbrook Avenue, O'Fallon, IL

    Mareva Durbin · Keller Williams Marquee

  19. 1406 Blackberry Lane — photo37Active

    $338,000

    3 bd · 2 ba · 1,591 sqft

    1406 Blackberry Lane, O'Fallon, IL

    Annette Wendler · Coldwell Banker Brown Realtors

  20. 1408 Clifton Way Court — photo57Active

    $475,000

    6 bd · 4 ba · 3,565 sqft

    1408 Clifton Way Court, O'Fallon, IL

    John Grissom · Berkshire Hathaway HomeServices Select Properties

  21. 1513 Royal Oak Court — photoPrice Reduced27Active

    $255,000

    3 bd · 2 ba · 1,777 sqft

    1513 Royal Oak Court, O'Fallon, IL

    LaToya Berry-Coleman · Keller Williams Pinnacle

  22. 612 Monarch Drive — photo46Active

    $489,000

    5 bd · 4 ba · 3,193 sqft

    612 Monarch Drive, O'Fallon, IL

    Kevin Barnett · Redfin Corporation

  23. 504 W Fourth Street — photo30Active

    $209,900

    3 bd · 1 ba · 1,320 sqft

    504 W Fourth Street, O'Fallon, IL

    Courtney Marsh · Red Door Realty Group Inc

  24. 1250 Elisabeth Drive — photoPrice Reduced37Active

    $385,000

    4 bd · 4 ba · 3,656 sqft

    1250 Elisabeth Drive, O'Fallon, IL

    Lisa Diserens · Re/Max Signature Properties

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 2026-08-31 05:38:24 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 brokerage

    JJ

    Jeffrey Jonas

    Realty.com

    Lic. #471.004966

    Call Jeffrey

    O'Fallon, IL community profile

    Population
    31,290
    Median income
    $101,491
    Housing units
    12,629
    People per sq. mi.
    1,967.9
    Area
    15.9 sq. mi.

    Source: HJN community data

    O'Fallon housing market

    July 2026 · This period is still settling

    Homes on the market · MLS, as of Jul 17, 2026–Jul 21, 2026

    Median list price
    $439,900
    Homes for sale
    81
    Median days on market
    28 days

    Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 15, 2026

    Median home size
    1,288 sq. ft.