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
New Construction Homes 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

26 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
3 bedsNew constructionWith a pool

New Construction Homes in O'Fallon, IL

New Construction Homes in O'Fallon, IL

Show Map
24 of 26 Listings
Map

New Construction Homes in O'Fallon, IL

24 of 26 Listings

Your local brokerage

JJ

Jeffrey Jonas

Realty.com

Lic. #471.004966

Call Jeffrey
  1. 1126 Lakeland Avenue — photo62Active

    $600,000

    3 bd · 4 ba · 2,994 sqft

    1126 Lakeland Avenue, O'Fallon, IL

    Christopher Kelly · Real Broker LLC

  2. 106 S Lawn Avenue — photo11Active

    $675,000

    — bd · — ba · 2,142 sqft

    106 S Lawn Avenue, O'Fallon, IL

    Chris Nelson · CR Holland Real Estate LLC

  3. 624 Middletown Court — photo21Active

    $485,000

    5 bd · 4 ba · 2,935 sqft

    624 Middletown Court, O'Fallon, IL

    Jessica Gratzl · Keller Williams Pinnacle

  4. 620 Middletown Court — photo17Active

    $485,000

    5 bd · 4 ba · 3,190 sqft

    620 Middletown Court, O'Fallon, IL

    Jessica Gratzl · Keller Williams Pinnacle

  5. 1227 Ole Town Bridge Drive — photoPrice Reduced40Active

    $488,000

    5 bd · 3 ba · 2,664 sqft

    1227 Ole Town Bridge Drive, O'Fallon, IL

    Megan Schobert · Keller Williams Pinnacle

  6. 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

  7. 7007 Emerson — photo13Active

    $750,000

    5 bd · 5 ba · 3,489 sqft

    7007 Emerson, O'Fallon, IL

    Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

  8. 1395 Dove Hollow Circle — photoPrice Reduced42Active

    $630,000

    4 bd · 4 ba · 3,306 sqft

    1395 Dove Hollow Circle, O'Fallon, IL

    Janell Schmittling · Homes By Janell

  9. 577 Tea Olive Blvd — photo51Active

    $739,900

    4 bd · 4 ba · 3,263 sqft

    577 Tea Olive Blvd, O'Fallon, IL

    Brad Copelin · Judy Dempcy Homes Powered by KW Pinnacle

  10. 809 Golden Bell Lane — photo54Active

    $699,000

    5 bd · 4 ba · 3,439 sqft

    809 Golden Bell Lane, O'Fallon, IL

    Jennifer Bortz · Judy Dempcy Homes Powered by KW Pinnacle

  11. 732 Seagate Drive — photo20Active

    $135,000

    — bd · — ba · — sqft

    732 Seagate Drive, O'Fallon, IL

    Jeb Blasingame · Keller Williams Marquee

  12. 1365 Dove Hollow Court — photo45Active

    $575,000

    4 bd · 3 ba · 2,696 sqft

    1365 Dove Hollow Court, O'Fallon, IL

    Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

  13. 581 Tea Olive Boulevard — photo50Active

    $673,800

    4 bd · 3 ba · 3,203 sqft

    581 Tea Olive Boulevard, O'Fallon, IL

    Brad Copelin · Judy Dempcy Homes Powered by KW Pinnacle

  14. 412 Alder Ridge Drive — photo1Active

    $669,000

    4 bd · 3 ba · 3,332 sqft

    412 Alder Ridge Drive, O'Fallon, IL

    Janell Schmittling · Homes By Janell

  15. 1232 Ole Town Bridge — photo41Active

    $519,900

    4 bd · 3 ba · 2,740 sqft

    1232 Ole Town Bridge, O'Fallon, IL

    Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

  16. 709 Creekwood — photo4Active

    $620,000

    4 bd · 3 ba · 2,800 sqft

    709 Creekwood, O'Fallon, IL

    Steven Bennett · Re/Max Signature Properties

  17. 212 Ashurst Lane — photoPrice Reduced31Active

    $459,000

    3 bd · 2 ba · 1,755 sqft

    212 Ashurst Lane, O'Fallon, IL

    Brooke Mitchell · Keller Williams Pinnacle

  18. 829 Bushwood Way — photoPrice Reduced66Active

    $569,000

    3 bd · 3 ba · 2,479 sqft

    829 Bushwood Way, O'Fallon, IL

    Benjamin Jenkins · Real Broker LLC

  19. 837 Bushwood Way — photoPrice Reduced71Active

    $589,000

    3 bd · 3 ba · 2,682 sqft

    837 Bushwood Way, O'Fallon, IL

    Benjamin Jenkins · Real Broker LLC

  20. 1228 Belclare Court — photoPrice Reduced50Active

    $510,000

    5 bd · 4 ba · 3,187 sqft

    1228 Belclare Court, O'Fallon, IL

    Jessica Gratzl · Keller Williams Pinnacle

  21. 755 Seagate Drive — photoPrice Reduced38Active

    $538,800

    4 bd · 3 ba · 2,777 sqft

    755 Seagate Drive, O'Fallon, IL

    Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle

  22. 8629 Savoy Lane — photoPrice Reduced70Active

    $788,900

    4 bd · 3 ba · 3,600 sqft

    8629 Savoy Lane, O'Fallon, IL

    Ana Montoya · Keller Williams Pinnacle

  23. 712 Creekwood Court — photo37Active

    $599,900

    4 bd · 3 ba · 3,000 sqft

    712 Creekwood Court, O'Fallon, IL

    Connie Kappert · Re/Max Signature Properties

  24. 8429 Treybrooke Place — photoPrice Reduced57Active

    $912,000

    4 bd · 4 ba · 3,600 sqft

    8429 Treybrooke Place, O'Fallon, IL

    Ana Montoya · Keller Williams Pinnacle

12

Explore O Fallon homes

By price

  • Under $300K
  • Under $500K
  • Under $700K
  • Luxury

By bedrooms

  • 2 beds
  • 3 beds
  • 4 beds
  • 5 beds

By type

  • Single family
  • Townhomes
  • Condos
  • Manufactured homes
  • Multi-family homes
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 2026-09-19 18:02:52 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.
  • Co-ops
  • By feature

    • 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

    August 2026 · This period is still settling

    O'Fallon 12-month median sale price trend

    Homes that sold · County records, as of Aug 26, 2026

    Median sale price
    $375,000$265,000–$569,000 typical range
    Price per sq. ft.
    $274
    Sales
    33
    Paid in cash
    18.2%

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

    Median days on market
    33 days

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

    Year-over-year
    -8.6%