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 $300K in O'Fallon, MO
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

41 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 Under $300K in O'Fallon, MO

Homes Under $300K in O'Fallon, MO

Show Map
24 of 41 Listings
Map

Homes Under $300K in O'Fallon, MO

24 of 41 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. 712 Highland Drive — photoNew1Active

    $250,000

    4 bd · 2 ba · 2,097 sqft

    712 Highland Drive, O'Fallon, MO

    Kristie Weber · EXP Realty, LLC

  2. 403 Prince Charles Drive — photo23Active

    $265,000

    3 bd · 2 ba · 1,225 sqft

    403 Prince Charles Drive, O'Fallon, MO

    Aden Suraud · EXP Realty, LLC

  3. 1540 Batters Box Drive — photo21Active

    $257,500

    2 bd · 2 ba · 1,007 sqft

    1540 Batters Box Drive, O'Fallon, MO

    Tracy Modde · BHHS Select Properties

  4. 304 W Pitman Street — photo27Active

    $90,000

    1 bd · 1 ba · 562 sqft

    304 W Pitman Street, O'Fallon, MO

    Adam Jokisch · Adams Auction & Real Estate Services Inc.

  5. 105 Maryland Drive 94B — photo27Active

    $240,000

    1 bd · 2 ba · 1,208 sqft

    105 Maryland Drive 94B, O'Fallon, MO

    Mel Hicks · Swell Properties LLC

  6. 480 Flowering Magnolia Drive — photo23Active

    $260,000

    2 bd · 2 ba · 1,256 sqft

    480 Flowering Magnolia Drive, O'Fallon, MO

    Amy Delaney · Coldwell Banker Realty - Gundaker

  7. 25 Turtle Creek Villas Drive — photo37Active

    $290,000

    2 bd · 3 ba · 2,390 sqft

    25 Turtle Creek Villas Drive, O'Fallon, MO

    Jeremy Barrett · Keller Williams Realty West

  8. 10 W Homefield Point Court — photo17Active

    $250,000

    2 bd · 2 ba · 1,293 sqft

    10 W Homefield Point Court, O'Fallon, MO

    Ed Grobbe · EKG Realty, LLC

  9. 14303 Spring Creek Lane — photo27Active

    $194,900

    2 bd · 2 ba · 1,018 sqft

    14303 Spring Creek Lane, O'Fallon, MO

    Jennifer Beatty · Robeck Realty West

  10. 32 Green Park Lane 32a — photoPrice Reduced28Active

    $259,900

    2 bd · 2 ba · 1,290 sqft

    32 Green Park Lane 32a, O'Fallon, MO

    John Besmer · Landmark, REALTORS

  11. 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

  12. 5103 Spring Creek Lane — photo40Active

    $194,900

    2 bd · 2 ba · 1,014 sqft

    5103 Spring Creek Lane, O'Fallon, MO

    Jeff Gray · Coldwell Banker Realty - Gundaker

  13. 1133 Villa Flora Drive 22a — photo27Active

    $300,000

    2 bd · 2 ba · 1,578 sqft

    1133 Villa Flora Drive 22a, O'Fallon, MO

    Amy Gwin · Coldwell Banker Realty - Gundaker

  14. 1315 Sunny Terrace Drive C — photoPrice Reduced24Active

    $159,900

    2 bd · 2 ba · 1,200 sqft

    1315 Sunny Terrace Drive C, O'Fallon, MO

    Tami Kramer · Keller Williams Realty West

  15. 871 Boardwalk Springs Place — photoPrice Reduced24Active

    $229,900

    3 bd · 2 ba · 1,260 sqft

    871 Boardwalk Springs Place, O'Fallon, MO

    Giuseppe Accardi · MORE, REALTORS

  16. 594 Timber Creek Trail — photo29Active

    $299,530

    3 bd · 4 ba · 1,417 sqft

    594 Timber Creek Trail, O'Fallon, MO

    Mark Scheller · Mark Scheller Real Estate

  17. 425 Wild Oak Drive — photoPrice Reduced33Active

    $237,400

    2 bd · 3 ba · 1,290 sqft

    425 Wild Oak Drive, O'Fallon, MO

    April Brower · Worth Clark Realty

  18. 117 Saint Joseph Avenue — photo34Active

    $265,000

    2 bd · 1 ba · 1,250 sqft

    117 Saint Joseph Avenue, O'Fallon, MO

    Bryan Vancil · Vancil Brothers Realty

  19. 217 Royallsprings Parkway — photo15Active

    $272,000

    3 bd · 2 ba · 1,455 sqft

    217 Royallsprings Parkway, O'Fallon, MO

    Robert Salmons · Entera Realty, LLC

  20. 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

  21. 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

  22. 31 Plackemeier — photoPrice Reduced29Active

    $259,500

    3 bd · 1 ba · 1,192 sqft

    31 Plackemeier, O'Fallon, MO

    Christopher Zager · RED Realty

  23. 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

  24. 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

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 2026-09-20 05:33:30 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.

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
$358,904$247,046–$435,021 typical range
Price per sq. ft.
$157
Sales
46
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
-1.3%

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.
  • 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