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

Registered offenders on the map

Save search

Registered offenders on the map

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
Homes Under $500K in O'Fallon, IL
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

Registered offenders on the map

56 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 Under $500K in O'Fallon, IL

Homes Under $500K in O'Fallon, IL

Show Map
24 of 56 Listings
Map

Homes Under $500K in O'Fallon, IL

24 of 56 Listings

Your local brokerage

JJ

Jeffrey Jonas

Realty.com

Lic. #471.004966

Call Jeffrey
  1. 615 Wheatfield Road — photoOpen house Sun, Oct 4 · 11:00 AM37Active

    $499,000

    5 bd · 3 ba · 2,574 sqft

    615 Wheatfield Road, O'Fallon, IL

    Tracey Brown · Homes By Janell

  2. 621 Titan Drive — photoOpen house Sat, Oct 3 · 3:00 PM27Active

    $255,000

    3 bd · 4 ba · 2,057 sqft

    621 Titan Drive, O'Fallon, IL

    Nick Kuhn · H3 Capital Real Estate, Llc

  3. 1303 Desoto Drive — photoOpen house Sat, Oct 3 · 11:00 AM44Active

    $348,800

    4 bd · 3 ba · 2,622 sqft

    1303 Desoto Drive, O'Fallon, IL

    Ben Norrenberns · Judy Dempcy Homes Powered by KW Pinnacle

  4. 1592 Turn Creek Court — photo59Active

    $460,000

    4 bd · 4 ba · 3,388 sqft

    1592 Turn Creek Court, O'Fallon, IL

    Jane Stone · Keller Williams Pinnacle

  5. 618 Rain Hollow Drive — photoOpen house Sat, Oct 3 · 11:00 AM24Active

    $259,000

    3 bd · 3 ba · 2,096 sqft

    618 Rain Hollow Drive, O'Fallon, IL

    Julie Jones-Kloeckner · Cole Jones Group with Elevate Illinois Realty

  6. 502 Fontainebleau — photo48Active

    $330,000

    4 bd · 2 ba · 2,161 sqft

    502 Fontainebleau, O'Fallon, IL

    Colby Schrumpf · RE/MAX Alliance

  7. 243 Eagle Ridge — photo1Active

    $108,900

    2 bd · 1 ba · 806 sqft

    243 Eagle Ridge, O'Fallon, IL

    Jeff Franke · Kunkel Wittenauer Group, Inc

  8. 1245 Tanglewood Trace — photoOpen house Sat, Oct 3 · 11:00 AM67Active

    $425,000

    4 bd · 4 ba · 3,816 sqft

    1245 Tanglewood Trace, O'Fallon, IL

    Jennifer Bortz · Judy Dempcy Homes Powered by KW Pinnacle

  9. 964 Prairie Crossing — photo76Active

    $399,900

    5 bd · 3 ba · 2,590 sqft

    964 Prairie Crossing, O'Fallon, IL

    Lance Merrick · Real Broker LLC

  10. 221 S Second Street — photoPrice Reduced19Active

    $60,000

    2 bd · 1 ba · 900 sqft

    221 S Second Street, O'Fallon, IL

    Christina Karr · RE/MAX Preferred

  11. 407 E 4th Street — photo54Active

    $294,000

    5 bd · 3 ba · 2,420 sqft

    407 E 4th Street, O'Fallon, IL

    Ana Montoya · Keller Williams Pinnacle

  12. 622 Rain Hollow Drive — photoPrice Reduced39Active

    $385,000

    3 bd · 3 ba · 2,693 sqft

    622 Rain Hollow Drive, O'Fallon, IL

    Kenbra Knight · RE/MAX Alliance

  13. 326 Fairwood Hills Road — photo33Active

    $399,500

    4 bd · 3 ba · 2,640 sqft

    326 Fairwood Hills Road, O'Fallon, IL

    Misael Chacon · Beycome Brokerage Realty LLC

  14. 920 Reiss Road — photo49Active

    $299,000

    3 bd · 3 ba · 1,887 sqft

    920 Reiss Road, O'Fallon, IL

    Jan Fiss · Nester Realty

  15. 513 Emily Drive — photoPrice Reduced49Active

    $345,000

    5 bd · 3 ba · 2,274 sqft

    513 Emily Drive, O'Fallon, IL

    Ben Norrenberns · Judy Dempcy Homes Powered by KW Pinnacle

  16. 912 Reiss Road — photoPrice Reduced43Active

    $315,000

    4 bd · 3 ba · 2,800 sqft

    912 Reiss Road, O'Fallon, IL

    Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

  17. 513 Frost Court — photoPrice ReducedOpen house Sat, Oct 3 · 12:00 PM49Active

    $438,000

    4 bd · 3 ba · 2,450 sqft

    513 Frost Court, O'Fallon, IL

    Sarah Speakes · Coldwell Banker Brown Realtors

  18. 113 White Pine Avenue — photoPrice Reduced38Active

    $279,900

    4 bd · 2 ba · 1,580 sqft

    113 White Pine Avenue, O'Fallon, IL

    Courtney Marsh · Red Door Realty Group Inc

  19. 683 Willowbrook Way — photoPrice Reduced44Active

    $455,000

    5 bd · 4 ba · 3,146 sqft

    683 Willowbrook Way, O'Fallon, IL

    Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

  20. 624 Middletown Court — photo21Active

    $485,000

    5 bd · 4 ba · 2,935 sqft

    624 Middletown Court, O'Fallon, IL

    Jessica Gratzl · Keller Williams Pinnacle

  21. 620 Middletown Court — photo17Active

    $485,000

    5 bd · 4 ba · 3,180 sqft

    620 Middletown Court, O'Fallon, IL

    Jessica Gratzl · Keller Williams Pinnacle

  22. 203 Dartmouth Drive — photo21Active

    $225,000

    3 bd · 2 ba · 1,213 sqft

    203 Dartmouth Drive, O'Fallon, IL

    Kelly Young · Hughes Group LLC

  23. 1232 Hillock Lane — photo30Active

    $289,900

    4 bd · 3 ba · 1,766 sqft

    1232 Hillock Lane, O'Fallon, IL

    Rachel Helbig Burkarth · Coldwell Banker Brown Realtors

  24. 1227 Ole Town Bridge Drive — photoPrice ReducedOpen house Sat, Oct 3 · 11:00 AM40Active

    $488,000

    5 bd · 3 ba · 2,664 sqft

    1227 Ole Town Bridge Drive, O'Fallon, IL

    Megan Schobert · Keller Williams Pinnacle

123
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 2026-10-02 21:00:38 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 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

    September 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 · 50 sales · as of Sep 28, 2026

    Homes that sold · County records, as of Sep 9, 2026

    Median sale price
    $385,000$320,000–$482,500 typical range
    Price per sq. ft.
    $315
    Sales
    21
    Paid in cash
    9.5%

    Homes on the market · MLS, as of Sep 27, 2026–Sep 28, 2026

    Median list price
    $448,500
    Homes for sale
    82
    Median days on market
    34 days

    Price trend · Assessor repeat sales, as of Sep 30, 2026

    Year-over-year
    8.9%

    Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

    Median home size
    1,288 sq. ft.