O'Fallon, MO Homes for Sale

O'Fallon (St. Charles County, MO) has 301 homes for sale on the MLS right now, at a median list price of $427,900. 1,264 homes sold here in the last 12 months at a median of $379,900.

Measured from MARIS MLS listings · updated November 10, 2026

O'Fallon housing market at a glance

301homes for sale now
$427,900median list price
$220median list price per sq ft
48median days on market (active)
80new listings in the last 30 days
125under contract or pending
1,264sold in the last 12 months
$379,900median sale price, last 12 months

Homes that sold in O'Fallon in the last year went for a median of $220 per square foot. They took a median of 13 days to sell.

Homes for sale in O'Fallon by price

Under $200K (11) $200K to $350K (75) $350K to $500K (124) $500K to $750K (83) $750K and up (8)

See all 301 homes for sale in O'Fallon →

Newest listings in O'Fallon

2048 Preston Woods Parkway, O'Fallon, MO, 63367
Coming Soon
MLS#26071490

$460,000

301 Silo Hill Court, O'Fallon, MO, 63385
Active
MLS#26070594

$918,974

301 Silo Hill Court, O'Fallon, MO, 63385

  • 4 Bed

  • 4 Bath

  • 3,869 Sqft

New Construction opportunity! Stunning, 4 bedroom, 3.5 bath, 1.5 story in the highly desirable Harvest neighborhood by Fischer and Frichtel! The popular Wyndh...

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4 Millcreek Parkway, D, O'Fallon, MO, 63366
Active
MLS#26071328

$129,900

4 Millcreek Parkway, D, O'Fallon, MO, 63366

  • 2 Bed

  • 2 Bath

  • 816 Sqft

This inviting 2-bedroom, 2-bath condo offers the convenience of ground-level living with wonderful outdoor space to enjoy! Step outside to your patio overlookin...

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620 Sundance Drive, O'Fallon, MO, 63368
Coming Soon
MLS#26071348

$329,900

620 Sundance Drive, O'Fallon, MO, 63368

  • 3 Bed

  • 2 Bath

  • 2,232 Sqft

STOP SCROLLING! Your house hunt might officially be OVER! Looking for a move-in-ready home in the heart of O’Fallon with plenty of space, an AMAZING backyard, a...

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412 Prince David Drive, O'Fallon, MO, 63366
Coming Soon
MLS#26071314

$274,900

412 Prince David Drive, O'Fallon, MO, 63366

  • 3 Bed

  • 3 Bath

  • 1,525 Sqft

Welcome home to this BEAUTIFULLY RENOVATED, SPRAWLING RANCH offering OVER 1,500 SQUARE FEET of thoughtfully designed living space, 3 BEDROOMS, and 2.5 BATHROOMS...

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106 Bermuda Drive, O'Fallon, MO, 63366
Coming Soon
MLS#26071319

$239,900

106 Bermuda Drive, O'Fallon, MO, 63366

  • 3 Bed

  • 2 Bath

  • 0 Sqft

This solid brick ranch has plenty to offer! The home features 3 bedrooms, 1.5 bathrooms, and a functional layout with comfortable living space. Freshly painted...

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1 TBB Indigo J Enclave at Brookside, O'Fallon, MO, 63366
Active
MLS#26071266

$491,000

1 TBB Indigo J Enclave at Brookside, O'Fallon, MO, 63366

  • 4 Bed

  • 3 Bath

  • 2,560 Sqft

Discover the possibilities with the Indigo by Lombardo Homes at The Enclave at Brookside in O'Fallon! This beautifully designed ranch home offers 2,569 square f...

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0 New Build SERENGETI B@BROOKSIDE, O'Fallon, MO, 63366
Active
MLS#26071263

$503,000

0 New Build SERENGETI B@BROOKSIDE, O'Fallon, MO, 63366

  • 3 Bed

  • 3 Bath

  • 2,810 Sqft

Discover the possibilities with the Serengeti B by Lombardo Homes! This stunning 1.5-story home offers 2,810 square feet of thoughtfully designed living space,...

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What is for sale in O'Fallon

Of the homes for sale now: 80% single family residence, 11% villa, 5% townhouse and 5% condominium.

By bedrooms: 1 or fewer bedrooms 3; 2 bedrooms 50; 3 bedrooms 128; 4 bedrooms 109; 5+ bedrooms 11 .

The median home for sale here was built in 2003 and has about 1,872 finished square feet above grade.

School districts on O'Fallon listings

School districts named on homes for sale in O'Fallon right now, with how many listings name each:

Wentzville R-IV (179)Ft. Zumwalt R-II (113)Francis Howell R-III (9)

From MLS listing data. Boundaries can change; confirm with the district for a specific address.

Subdivisions with homes for sale in O'Fallon

Harvest - Heritage (21)The Villages at Post Farms Manors (18)The Grove at Riverdale (10)Harvest (10)Harvest - Villas (8)Creekside at Sommers (8)Harvest Manors (7)Streets of Caledonia (6)Post Farms Enclave (6)Harvest - Cottages (5)Post Farms Meadows (5)Columbia Meadows (5)

O'Fallon ZIP codes

63366 homes for sale63368 homes for sale63385 homes for sale63367 homes for sale63376 homes for sale63304 homes for sale63303 homes for sale

More communities in St. Charles County, MO

St. Charles (273 for sale)St. Peters (115 for sale)Wentzville (233 for sale)Lake St Louis (95 for sale)Dardenne Prairie (51 for sale)Foristell (37 for sale)Cottleville (21 for sale)Weldon Spring (22 for sale)Defiance (16 for sale)St. Paul (4 for sale)Augusta (10 for sale)New Melle (14 for sale)

All St. Charles County, MO homes for sale · Every St. Louis area community

O'Fallon real estate questions

What is the median list price of homes for sale in O'Fallon, MO?

The median list price of the 301 homes for sale in O'Fallon is $427,900, or about $220 per square foot, based on MLS listings as of November 10, 2026.

What did homes sell for in O'Fallon, MO in the last year?

1,264 homes sold in O'Fallon in the last 12 months. The median sale price reported to the MLS was $379,900.

How long are homes in O'Fallon, MO on the market?

Active listings in O'Fallon have been on the market a median of 48 days, and homes that sold in the last 12 months took a median of 13 days.

What school districts are homes for sale in O'Fallon, MO in?

Current O'Fallon listings name these school districts: Wentzville R-IV, Ft. Zumwalt R-II, Francis Howell R-III. Confirm boundaries with the district for a specific address.

Own a home in O'Fallon?

See what it could sell for, with the recent sales behind the number.

What’s my home worth? Off-market & sold homes

Statistics cover residential listings in MARIS MLS, computed November 10, 2026. Sale prices are as reported to the MLS. Listing data is deemed reliable but is not guaranteed. StLouisRealEstate.com is operated by Guerrilla Brokers, LLC.