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The buying timeline

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How much can I afford?
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3 beds New construction With a pool

New Construction Homes in O'Fallon, MO

4 listings

New Construction Homes in O'Fallon, MO

New Construction Homes in O'Fallon, MO

4 Listings

New Construction Homes in O'Fallon, MO

4 Listings

23Active
$259,740

Your local team in O Fallon

TO

Thomas O'Leary

Realty.com

Lic. #2020001504

LS

Lynne Schlereth

Preferred Rate

NMLS #2378688

2 bd · 2 ba · 1,200 sqft

2 Georgetown at Harvest Townhome, O'Fallon, MO

Pamela Chyba · ListWithFreedom.com Inc

$297,387

2 bd · 2 ba · 808 sqft

160 Sunset Terrace Drive, O'Fallon, MO

Pamela Chyba · ListWithFreedom.com Inc

$330,288

2 bd · 3 ba · 1,200 sqft

162 Sunset Terrace Drive, O'Fallon, MO

Pamela Chyba · ListWithFreedom.com Inc

$338,757

2 bd · 3 ba · 1,200 sqft

166 Sunset Terrace Drive, O'Fallon, MO

Pamela Chyba · ListWithFreedom.com Inc

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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.

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Your local team in O Fallon

TO

Thomas O'Leary

Realty.com

Lic. #2020001504

LS

Lynne Schlereth

Preferred Rate

NMLS #2378688

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-08-10 18:01:39 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

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.