28 Photos

$119,900

320 Third Street

Tiedemanns Sub, O'Fallon, Illinois, 62269

MLS® 26058824 · Listed by RE/MAX Preferred

1 bedrooms1 bathrooms566.00 sqftResidential0 days on marketBuilt 1953Lot 14374.80$1,967 taxes (2025)Forced Air · Central AirNone basement

About this property

Affordable, charming, and full of opportunity in the heart of O’Fallon! This adorable one-bedroom ranch offers the perfect combination of updated living, a spacious 1/3-acre setting, and an exceptional location just a few blocks from all that downtown O’Fallon has to offer. Tucked beneath beautiful mature trees, this cozy home offers a surprisingly spacious outdoor setting that is ideal for relaxing, gardening, entertaining, or simply enjoying the privacy and character that comes with a well-established yard. The partially fenced backyard includes a detached shed that provides excellent storage and could make a great workshop or hobby space. Inside, wood laminate flooring flows throughout the home. The updated kitchen features newer white cabinetry and includes all appliances, opening directly to the comfortable family room with an electric fireplace. The primary bedroom is conveniently located just off the family room and also features wood laminate flooring. The refreshed 3/4 bath includes the washer and dryer, which remain with the home. Recent major updates include a NEW ROOF and NEW AC (not furnace), providing valuable peace of mind for the next owner. For buyers seeking affordability without giving up yard space or location, this property is a rare find. Investors take note: the home also offers excellent investment potential, with verifiable rental data available to help evaluate its income-producing possibilities. Whether you're looking for an affordable home in a convenient location, a low-maintenance property with a large yard, or an investment opportunity, this charming O’Fallon cottage is worth a closer look. Conveniently located near downtown O’Fallon, shopping, dining, parks, and everyday amenities—this is small-home living with a big-yard feel and plenty of potential. Buyer to verify all information.

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Estimated value

$122,169

Estimated range: $114,106 $130,232 · 7% confidence

Estimated value by month

Estimated value trend from Oct 2025 ($117,472) to Sep 2026 ($122,169)Oct 2025Sep 2026

This is an automated estimate based on MLS® market data — not an appraisal or a substitute for professional advice.

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MLS® data for this listing last updated Sep 14, 2026.

Market snapshot

The Tiedemanns Sub, O'Fallon market

Closed sales in Tiedemanns Sub, O'Fallon over the last 12 months.

$249,000

Median sold price

88

Avg. days on market

2

Homes sold

Median sold price by month

Median sold price trend from Jun 2026 ($170,000) to Jul 2026 ($328,000)Jun 2026Jul 2026