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New Construction Homes in O'Fallon, MO

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9 of 153 Listings

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9 of 153 Listings

4Active

New Construction Homes in O'Fallon, MO — Page 7

153 listings

New Construction Homes in O'Fallon, MO

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9 of 153 Listings

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New Construction Homes in O'Fallon, MO

9 of 153 Listings

Your local team in O Fallon

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lynne Schlereth

Preferred Rate

NMLS #2378688

Call Lynne

4Active

Your local team in O Fallon

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lynne Schlereth

Preferred Rate

NMLS #2378688

Call Lynne

$397,900

3 bd · 3 ba · 2,013 sqft

1 Tbb Bedford @ Harvest Villas, O'Fallon, MO

Kelly&Linda Boehmer · Berkshire Hathaway HomeServices Select Properties

24Active

$334,900

3 bd · 3 ba · 1,422 sqft

1 Tbb Windsor @ Harvest Cottages, O'Fallon, MO

Kelly&Linda Boehmer · Berkshire Hathaway HomeServices Select Properties

23Active

$393,900

3 bd · 2 ba · 1,700 sqft

1 Tbb Highland 3Bd@Harvest Villas, O'Fallon, MO

Kelly&Linda Boehmer · Berkshire Hathaway HomeServices Select Properties

Your local team in O Fallon

Thomas O'Leary

Realty.com

Lic. #2020001504

Call Thomas

Lynne Schlereth

Preferred Rate

NMLS #2378688

Call Lynne

21Active

$349,900

3 bd · 3 ba · 1,629 sqft

1 Tbb Devonshire @Harvest Cottages, O'Fallon, MO

Kelly&Linda Boehmer · Berkshire Hathaway HomeServices Select Properties

30Active

$372,900

3 bd · 3 ba · 1,756 sqft

1 Tbb Dover @ Harvest Cottages, O'Fallon, MO

Kelly&Linda Boehmer · Berkshire Hathaway HomeServices Select Properties

17Active

$357,900

2 bd · 2 ba · 1,347 sqft

1 Tbb Ashland @ Harvest Villas, O'Fallon, MO

Kelly&Linda Boehmer · Berkshire Hathaway HomeServices Select Properties

17Active

$362,900

3 bd · 2 ba · 1,347 sqft

1 Tbb Ashland 3Bed@Harvest Villas, O'Fallon, MO

Kelly&Linda Boehmer · Berkshire Hathaway HomeServices Select Properties

23Active

$369,900

2 bd · 2 ba · 1,492 sqft

1 Tbb Highland @ Harvest Villas, O'Fallon, MO

Kelly&Linda Boehmer · Berkshire Hathaway HomeServices Select Properties

22Active

$417,900

3 bd · 3 ba · 2,113 sqft

1 Tbb Fairfax @ Harvest Villas, O'Fallon, MO

Kelly&Linda Boehmer · Berkshire Hathaway HomeServices Select Properties

1…6 7

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-06-03 18:52:38 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 2026-06-03 18:52:38 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.