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New Construction Homes in O'Fallon, MO
142 listings

New Construction Homes in O'Fallon, MO

New Construction Homes in O'Fallon, MO

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24 of 142 Listings
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New Construction Homes in O'Fallon, MO

24 of 142 Listings

  1. 1 Tbb Oakridge @ Creekside At Sommers — photo9

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
Active

$545,990

4 bd · 4 ba · 2,961 sqft

1 Tbb Oakridge @ Creekside At Sommers, O'Fallon, MO

Amanda Alejandro · Realty Shop

  • 434 Oak Barrel Drive — photo25Active

    $595,045

    4 bd · 3 ba · 2,490 sqft

    434 Oak Barrel Drive, O'Fallon, MO

    Gia Linville · Consort Realty, LLC

  • 711 Grindstone Drive — photo24Active

    $437,052

    3 bd · 2 ba · 1,570 sqft

    711 Grindstone Drive, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  • 2 Pin Oak II at Post Farms Enclave — photo35Active

    $509,900

    4 bd · 4 ba · 3,264 sqft

    2 Pin Oak II at Post Farms Enclave, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  • 2 Buckley at Post Farms Enclave — photo47Active

    $489,900

    4 bd · 3 ba · 2,570 sqft

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

    Pamela Chyba · ListWithFreedom.com Inc

  • 2 Aspen at Harvest Manors — photo23Active

    $307,900

    2 bd · 2 ba · 1,150 sqft

    2 Aspen at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  • 2 Maple at Harvest Manors — photo24Active

    $339,900

    3 bd · 2 ba · 1,745 sqft

    2 Maple at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  • 2 Berwick at Harvest Manors — photo26Active

    $339,900

    3 bd · 3 ba · 1,728 sqft

    2 Berwick at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  • 2 Sterling at Harvest Manors — photo32Active

    $345,900

    4 bd · 3 ba · 1,902 sqft

    2 Sterling at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  • 2 Ashford at Harvest Manors — photo35Active

    $378,900

    4 bd · 3 ba · 2,548 sqft

    2 Ashford at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  • 2 Royal II at Harvest Manors — photo33Active

    $362,900

    4 bd · 3 ba · 2,001 sqft

    2 Royal II at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  • 2 Aspen II at Harvest Manors — photo27Active

    $342,900

    3 bd · 2 ba · 1,539 sqft

    2 Aspen II at Harvest Manors, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  • Tbb Savannah E - Phoenix @ WingHaven — photo36Active

    $690,200

    4 bd · 3 ba · 2,620 sqft

    Tbb Savannah E - Phoenix @ WingHaven, O'Fallon, MO

    Mike Price · Lombardo Homes of St. Louis, LLC

  • The Grand Columbia Floor Plan — photo16Active

    $456,500

    2 bd · 2 ba · 1,826 sqft

    The Grand Columbia Floor Plan, O'Fallon, MO

    Holly Sofka · Berkshire Hathaway HomeServices Select Properties

  • The Grand Columbia Ll Floor Plan, Columbia Meadows — photo17Active

    $462,800

    2 bd · 2 ba · 1,826 sqft

    The Grand Columbia Ll Floor Plan, Columbia Meadows, O'Fallon, MO

    Holly Sofka · Berkshire Hathaway HomeServices Select Properties

  • The Grand Magnolia Floor Plan — photo10Active

    $542,900

    3 bd · 3 ba · 2,593 sqft

    The Grand Magnolia Floor Plan, O'Fallon, MO

    Holly Sofka · Berkshire Hathaway HomeServices Select Properties

  • 144 Columbia Meadows Lane — photo12Active

    $518,113

    2 bd · 2 ba · 1,583 sqft

    144 Columbia Meadows Lane, O'Fallon, MO

    Holly Sofka · Berkshire Hathaway HomeServices Select Properties

  • The Columbia Floor Plan — photo21Active

    $415,400

    2 bd · 2 ba · 1,583 sqft

    The Columbia Floor Plan, O'Fallon, MO

    Holly Sofka · Berkshire Hathaway HomeServices Select Properties

  • The Magnolia Floor Plan — photo9Active

    $479,700

    2 bd · 2 ba · 1,912 sqft

    The Magnolia Floor Plan, O'Fallon, MO

    Holly Sofka · Berkshire Hathaway HomeServices Select Properties

  • 753 Barnwood Hill Drive — photoPrice Reduced14Active

    $474,900

    3 bd · 3 ba · 1,749 sqft

    753 Barnwood Hill Drive, O'Fallon, MO

    Kelly Boehmer · Berkshire Hathaway HomeServices Select Properties

  • 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

  • 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

  • 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

  • 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…6
    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

    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

    Listing data & MLS disclosures

    MARIS MLS
    Based on information submitted to the MLS GRID as of 2026-10-06 17:40:39 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

    Selling at 100.0% of asking price

    Sales here are closing essentially at asking. MLS · 111 sales · as of Aug 31, 2026

    Homes that sold · County records, as of Aug 11, 2026

    Median sale price
    $363,348$247,046–$435,021 typical range
    Price per sq. ft.
    $155
    Sales
    42
    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
    9 days

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

    Year-over-year
    -1.8%

    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.