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New Construction Homes in O'Fallon, MO — Page 3
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3 bedsNew constructionWith a pool

New Construction Homes in O'Fallon, MO

New Construction Homes in O'Fallon, MO

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24 of 149 Listings
Map

New Construction Homes in O'Fallon, MO

24 of 149 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. 128 Mora Boulevard 450-505 — photoPrice Reduced10Active

    $362,900

    2 bd · 3 ba · 1,363 sqft

    128 Mora Boulevard 450-505, O'Fallon, MO

    Alexander Hencheck · FH Realty

  2. 311 Kinsie Drive — photoPrice Reduced4Active

    $529,900

    4 bd · 3 ba · 2,790 sqft

    311 Kinsie Drive, O'Fallon, MO

    Alexander Hencheck · FH Realty

  3. 815 Memsie Drive — photoPrice Reduced4Active

    $746,900

    4 bd · 3 ba · 2,602 sqft

    815 Memsie Drive, O'Fallon, MO

    Alexander Hencheck · FH Realty

  4. 83 Valor Way — photo2Active

    $838,272

    3 bd · 3 ba · 2,809 sqft

    83 Valor Way, O'Fallon, MO

    Barbara Hartmann · McKelvey Homes Realty, LLC

  5. 355 Strawberry Grove Drive — photo3Active

    $681,087

    4 bd · 3 ba · 2,671 sqft

    355 Strawberry Grove Drive, O'Fallon, MO

    Barbara Hartmann · McKelvey Homes Realty, LLC

  6. 26 Valor Way — photo28Active

    $939,322

    4 bd · 4 ba · 4,058 sqft

    26 Valor Way, O'Fallon, MO

    Barbara Hartmann · McKelvey Homes Realty, LLC

  7. 86 Courage Drive — photoPrice Reduced32Active

    $534,900

    3 bd · 3 ba · 2,468 sqft

    86 Courage Drive, O'Fallon, MO

    Kelly Boehmer · Berkshire Hathaway HomeServices Select Properties

  8. 72 West Unity Court — photoPrice Reduced20Active

    $679,900

    4 bd · 3 ba · 2,619 sqft

    72 West Unity Court, O'Fallon, MO

    Kelly Boehmer · Berkshire Hathaway HomeServices Select Properties

  9. New Build Forest B at Brookside — photo24Active

    $494,000

    4 bd · 3 ba · 2,968 sqft

    New Build Forest B at Brookside, O'Fallon, MO

    Mike Price · Lombardo Homes of St. Louis, LLC

  10. 1 The Stetson C @Caledonia — photo10Active

    $486,300

    3 bd · 3 ba · 2,601 sqft

    1 The Stetson C @Caledonia, O'Fallon, MO

    Mike Price · Lombardo Homes of St. Louis, LLC

  11. 1 The Sheldon C @Caledonia — photo19Active

    $449,800

    3 bd · 2 ba · 1,971 sqft

    1 The Sheldon C @Caledonia, O'Fallon, MO

    Mike Price · Lombardo Homes of St. Louis, LLC

  12. 1 Tbb Oakdale C @Caledonia — photo28Active

    $481,900

    4 bd · 3 ba · 2,710 sqft

    1 Tbb Oakdale C @Caledonia, O'Fallon, MO

    Mike Price · Lombardo Homes of St. Louis, LLC

  13. 489 Spirit Drive — photo30Active

    $594,372

    4 bd · 3 ba · 2,940 sqft

    489 Spirit Drive, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  14. 487 Spirit Drive — photo25Active

    $505,635

    4 bd · 2 ba · 1,841 sqft

    487 Spirit Drive, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  15. 130 River Grove Court — photo16Active

    $557,900

    3 bd · 2 ba · 1,740 sqft

    130 River Grove Court, O'Fallon, MO

    Kristin Gansman · STL Buy & Sell, LLC

  16. 369 Strawberry Grove Drive — photoPrice Reduced21Active

    $664,243

    3 bd · 3 ba · 2,369 sqft

    369 Strawberry Grove Drive, O'Fallon, MO

    Barbara Hartmann · McKelvey Homes Realty, LLC

  17. 366 Strawberry Grove Drive — photoPrice Reduced17Active

    $623,072

    3 bd · 2 ba · 2,064 sqft

    366 Strawberry Grove Drive, O'Fallon, MO

    Barbara Hartmann · McKelvey Homes Realty, LLC

  18. 527 Apple Orchard Lane — photo25Active

    $435,310

    4 bd · 3 ba · 1,902 sqft

    527 Apple Orchard Lane, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  19. 0 Sunbury a @Caledonia — photo25Active

    $455,000

    4 bd · 3 ba · 2,554 sqft

    0 Sunbury a @Caledonia, O'Fallon, MO

    Mike Price · Lombardo Homes of St. Louis, LLC

  20. 719 Grindstone Drive — photo28Active

    $486,039

    3 bd · 2 ba · 1,989 sqft

    719 Grindstone Drive, O'Fallon, MO

    Pamela Chyba · ListWithFreedom.com Inc

  21. 0 Sheridan @ Harvest — photo31Active

    $474,900

    4 bd · 3 ba · 2,490 sqft

    0 Sheridan @ Harvest, O'Fallon, MO

    Gia Linville · Consort Realty, LLC

  22. 0 Kennesaw II @Harvest — photo4Active

    $499,900

    3 bd · 3 ba · 2,437 sqft

    0 Kennesaw II @Harvest, O'Fallon, MO

    Gia Linville · Consort Realty, LLC

  23. 0 Cortland @ Harvest — photo35Active

    $482,900

    4 bd · 3 ba · 2,318 sqft

    0 Cortland @ Harvest, O'Fallon, MO

    Gia Linville · Consort Realty, LLC

  24. 0 Madison @ Harvest — photo31Active

    $438,900

    3 bd · 2 ba · 1,764 sqft

    0 Madison @ Harvest, O'Fallon, MO

    Gia Linville · Consort Realty, LLC

1234…7

Explore O Fallon homes

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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.

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Listing data & MLS disclosures

MARIS MLS
Based on information submitted to the MLS GRID as of 2026-09-28 05:31:42 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.
    • 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

    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.