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Homes Under $500K in O'Fallon, MO

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24 of 200 Listings

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24 of 200 Listings

34Active

Homes Under $500K in O'Fallon, MO — Page 2

200 listings

Homes Under $500K in O'Fallon, MO

Hide Map

24 of 200 Listings

Map

Homes Under $500K in O'Fallon, MO

24 of 200 Listings

Your local team in O Fallon

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lynne Schlereth

Preferred Rate

NMLS #2378688

Call Lynne

34Active

Your local team in O Fallon

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lynne Schlereth

Preferred Rate

NMLS #2378688

Call Lynne

$370,000

3 bd · 4 ba · 1,704 sqft

129 Royallbrook Lane, O'Fallon, MO

Stephen Allen · DRG - Delhougne Realty Group

38Active

$230,000

2 bd · 3 ba · 1,434 sqft

820 Brookmead Drive, O'Fallon, MO

Peter Lu · EXP Realty, LLC

37Active

$438,500

3 bd · 2 ba · 2,610 sqft

327 Dalriada Boulevard, O'Fallon, MO

Lisa Menichino · Coldwell Banker Realty - Gundaker

Your local team in O Fallon

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lynne Schlereth

Preferred Rate

NMLS #2378688

Call Lynne

39Active

$340,000

2 bd · 2 ba · 1,625 sqft

2107 McGregor Circle, O'Fallon, MO

Jerry Roark · Realty Executives Premiere

50Active

$334,000

3 bd · 3 ba · 2,085 sqft

971 Rolling Thunder Drive, O'Fallon, MO

Ashley Dorman · EXP Realty, LLC

Price Reduced25Active

$250,000

3 bd · 2 ba · 900 sqft

512 Eggering Drive, O'Fallon, MO

Alyssa Bryant · Epique Realty

46Active

$360,000

4 bd · 3 ba · 1,906 sqft

64 Brimstone Corner, O'Fallon, MO

Pam Schroeder · Epique Realty

17Active

$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

16Active

$456,500

2 bd · 2 ba · 1,826 sqft

The Grand Columbia Floor Plan, O'Fallon, MO

Holly Sofka · Berkshire Hathaway HomeServices Select Properties

21Active

$415,400

2 bd · 2 ba · 1,583 sqft

The Columbia Floor Plan, O'Fallon, MO

Holly Sofka · Berkshire Hathaway HomeServices Select Properties

9Active

$479,700

2 bd · 2 ba · 1,912 sqft

The Magnolia Floor Plan, O'Fallon, MO

Holly Sofka · Berkshire Hathaway HomeServices Select Properties

Price ReducedOpen house Sun, Oct 4 · 1:00 PM67Active

$450,000

4 bd · 4 ba · 2,346 sqft

904 Hampshire Heath Drive, O'Fallon, MO

Malori Nguyen · Coldwell Banker Realty - Gundaker

23Active

$265,000

3 bd · 2 ba · 1,225 sqft

403 Prince Charles Drive, O'Fallon, MO

Aden Suraud · EXP Realty, LLC

Price Reduced54Active

$375,000

3 bd · 2 ba · 2,370 sqft

7 Town Cryer Court, O'Fallon, MO

Brandon McNamee · Mac Realty Group

47Active

$350,000

4 bd · 3 ba · 1,834 sqft

1488 Cochise Drive, O'Fallon, MO

Jeffrey Wells · Berkshire Hathaway HomeServices Select Properties

Price Reduced60Active

$459,900

5 bd · 4 ba · 3,771 sqft

6915 Fieldstone Farms Drive, O'Fallon, MO

Ryan Zimmer · Coldwell Banker Realty - Gundaker

Open house Sun, Oct 4 · 1:00 PM54Active

$235,000

2 bd · 3 ba · 1,717 sqft

222 Deer Hollow Court 17, O'Fallon, MO

Aaron Mueller · Compass Realty Group

41Active

$320,000

5 bd · 2 ba · 1,822 sqft

1114 Patsy Lane, O'Fallon, MO

Cheryl Wehde · Berkshire Hathaway HomeServices Select Properties

Price ReducedOpen house Sat, Oct 3 · 12:00 PM62Active

$499,900

3 bd · 3 ba · 1,872 sqft

337 Dalriada Boulevard, O'Fallon, MO

Dawn LaBeau · ReeceNichols Real Estate

Price Reduced14Active

$474,900

3 bd · 3 ba · 1,749 sqft

753 Barnwood Hill Drive, O'Fallon, MO

Kelly Boehmer · Berkshire Hathaway HomeServices Select Properties

Price ReducedOpen house Sun, Oct 4 · 12:00 PM41Active

$415,000

2 bd · 2 ba · 1,862 sqft

925 Daffodil Ridge Drive, O'Fallon, MO

Rich Loughridge · Trademark Real Estate, Inc

Price Reduced46Active

$349,000

2 bd · 2 ba · 1,664 sqft

548 Boulder River Drive, O'Fallon, MO

Tina Knox · Worth Clark Realty

50Active

$350,000

3 bd · 3 ba · 2,458 sqft

151 Royallsprings Parkway, O'Fallon, MO

Lisa Sofia · RE/MAX Results

34Active

$439,900

4 bd · 3 ba · 2,320 sqft

1435 Soaring Eagle Drive, O'Fallon, MO

Mark & Neil Gellman · EXP Realty, LLC

1 2 3…9

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-10-02 14:07:38 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 housing market

August 2026 · This period is still settling

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.

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

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

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.

Your local team in O Fallon

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lynne Schlereth

Preferred Rate

NMLS #2378688

Call Lynne

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-10-02 14:07:38 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

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.