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
O'Fallon, MO Homes for Sale | Realty.com
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

155 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

Homes for Sale in O'Fallon, MO

Homes for Sale in O'Fallon, MO

Hide Map
24 of 155 Listings
Map

Homes for Sale in O'Fallon, MO

24 of 155 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. 753 Barnwood Hill Drive — photoNew14Active

    $486,718

    3 bd · 3 ba · 1,749 sqft

    753 Barnwood Hill Drive, O'Fallon, MO

    Kelly Boehmer · Berkshire Hathaway HomeServices Select Properties

  2. 2 Fieldcrest at Oakshire — photo23Active

    $349,900

    3 bd · 3 ba · 1,920 sqft

    2 Fieldcrest at Oakshire, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  3. 2 Carolina at Oakshire — photo21Active

    $309,900

    2 bd · 2 ba · 1,214 sqft

    2 Carolina at Oakshire, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  4. 2 Burlington at Oakshire — photo26Active

    $319,900

    3 bd · 2 ba · 1,566 sqft

    2 Burlington at Oakshire, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  5. 2 Arlington at Oakshire — photo22Active

    $299,900

    3 bd · 2 ba · 1,252 sqft

    2 Arlington at Oakshire, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  6. 2 Belmont at Oakshire — photo21Active

    $324,900

    3 bd · 2 ba · 1,478 sqft

    2 Belmont at Oakshire, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  7. 2 Fieldcrest at Oakshire — photo23Active

    $349,900

    3 bd · 3 ba · 1,920 sqft

    2 Fieldcrest at Oakshire, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  8. 120 Tbb Drury Court — photo7Active

    $800,000

    3 bd · 2 ba · 2,359 sqft

    120 Tbb Drury Court, O'Fallon, MO

    Mark & Neil Gellman · EXP Realty, LLC

  9. 2 The Westhampton II at The Grove — photo1Active

    $644,900

    4 bd · 3 ba · 3,056 sqft

    2 The Westhampton II at The Grove, O'Fallon, MO

    Kristin Gansman · STL Buy & Sell, LLC

  10. 404 River Crest Crossing — photo1Active

    $613,900

    3 bd · 2 ba · 1,959 sqft

    404 River Crest Crossing, O'Fallon, MO

    Kristin Gansman · STL Buy & Sell, LLC

  11. 401 Farmhouse Drive — photo21Active

    $608,486

    3 bd · 2 ba · 1,870 sqft

    401 Farmhouse Drive, O'Fallon, MO

    Gia Linville · Consort Realty, LLC

  12. 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

  13. 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

  14. 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

  15. 403 River Crest Crossing — photo1Active

    $659,900

    3 bd · 2 ba · 1,960 sqft

    403 River Crest Crossing, O'Fallon, MO

    Kristin Gansman · STL Buy & Sell, LLC

  16. 407 Roddens Way — photoPrice Reduced10Active

    $529,900

    4 bd · 3 ba · 2,491 sqft

    407 Roddens Way, O'Fallon, MO

    Alexander Hencheck · FH Realty

  17. 149 Cardow Drive — photoPrice Reduced10Active

    $654,900

    4 bd · 3 ba · 2,768 sqft

    149 Cardow Drive, O'Fallon, MO

    Alexander Hencheck · FH Realty

  18. 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

  19. 10 Pershing Circle — photo39Active

    $434,500

    3 bd · 3 ba · 1,647 sqft

    10 Pershing Circle, O'Fallon, MO

    Michelle Craft · RE/MAX EDGE

  20. 2 Hickory at Post Farms Enclave — photo23Active

    $394,900

    3 bd · 2 ba · 1,570 sqft

    2 Hickory at Post Farms Enclave, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  21. 2 Fieldcrest at Post Farms Meadows — photo23Active

    $335,900

    3 bd · 3 ba · 1,920 sqft

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

    Pamela Chyba · ListWithFreedom.com Inc

  22. 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

  23. 2 Hermitage II at Post Farms Enclave — photo27Active

    $427,900

    4 bd · 3 ba · 2,539 sqft

    2 Hermitage II at Post Farms Enclave, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  24. 2 Belmont at Post Farms Meadows — photo20Active

    $310,900

    3 bd · 2 ba · 1,478 sqft

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

    Pamela Chyba · ListWithFreedom.com Inc

12…7

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
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 2026-09-18 19:48:09 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.
  • Condos
  • Manufactured homes
  • Multi-family homes
  • Co-ops
  • By feature

    • 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 25, 2026

    Median sale price
    $355,015$274,720–$454,500 typical range
    Price per sq. ft.
    $162
    Sales
    81
    Paid in cash
    0.0%

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

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

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

    Year-over-year
    -4.0%

    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.