O'Fallon, IL Homes for Sale

91 listings

Homes for Sale in O'Fallon, IL

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24 of 91 Listings

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Homes for Sale in O'Fallon, IL

24 of 91 Listings

Your local brokerage

Jeffrey Jonas

Realty.com

Lic. #471.004966

Call Jeffrey

25Active
$248,800
3 bd · 3 ba · 2,163 sqft
342 Vermillion Drive, O'Fallon, IL
Rob Cole · Judy Dempcy Homes Powered by KW Pinnacle
Price ReducedOpen house Sun, Oct 4 · 11:00 AM37Active
$349,000
3 bd · 3 ba · 1,992 sqft
1106 Illini Drive, O'Fallon, IL
Carie Bradshaw · RE/MAX Alliance
Open house Sun, Oct 4 · 11:00 AM37Active
$499,000
5 bd · 3 ba · 2,574 sqft
615 Wheatfield Road, O'Fallon, IL
Tracey Brown · Homes By Janell

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-10-03 19:01:39 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 housing market

September 2026 · This period is still settling

Selling at 100.0% of asking price

Sales here are closing essentially at asking. MLS · 50 sales · as of Sep 28, 2026

Homes that sold · County records, as of Sep 9, 2026

Median sale price: $385,000$320,000–$482,500 typical range
Price per sq. ft.: $315
Sales: 21
Paid in cash: 9.5%

Homes on the market · MLS, as of Sep 27, 2026–Sep 28, 2026

Median list price: $448,500
Homes for sale: 82
Median days on market: 34 days

Price trend · Assessor repeat sales, as of Sep 30, 2026

Year-over-year: 8.9%

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Median home size: 1,288 sq. ft.

O'Fallon, IL community profile

Population: 31,290
Median income: $101,491
Housing units: 12,629
People per sq. mi.: 1,967.9
Area: 15.9 sq. mi.

Source: HJN community data

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-10-03 19:01:39 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.

Your local brokerage

Jeffrey Jonas

Realty.com

Lic. #471.004966

Call Jeffrey

Your local brokerage

Jeffrey Jonas

Realty.com

Lic. #471.004966

Call Jeffrey

O'Fallon, IL community profile

Population: 31,290
Median income: $101,491
Housing units: 12,629
People per sq. mi.: 1,967.9
Area: 15.9 sq. mi.

Source: HJN community data

O'Fallon housing market

September 2026 · This period is still settling

Selling at 100.0% of asking price

Sales here are closing essentially at asking. MLS · 50 sales · as of Sep 28, 2026

Homes that sold · County records, as of Sep 9, 2026

Median sale price: $385,000$320,000–$482,500 typical range
Price per sq. ft.: $315
Sales: 21
Paid in cash: 9.5%

Homes on the market · MLS, as of Sep 27, 2026–Sep 28, 2026

Median list price: $448,500
Homes for sale: 82
Median days on market: 34 days

Price trend · Assessor repeat sales, as of Sep 30, 2026

Year-over-year: 8.9%

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Median home size: 1,288 sq. ft.

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Your local brokerage

Listing data & MLS disclosures

O'Fallon housing market

Homes that sold · County records, as of Sep 9, 2026

Homes on the market · MLS, as of Sep 27, 2026–Sep 28, 2026

Price trend · Assessor repeat sales, as of Sep 30, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

O'Fallon, IL community profile

Listing data & MLS disclosures

Your local brokerage

Your local brokerage

O'Fallon, IL community profile

O'Fallon housing market

Homes that sold · County records, as of Sep 9, 2026

Homes on the market · MLS, as of Sep 27, 2026–Sep 28, 2026

Price trend · Assessor repeat sales, as of Sep 30, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026