115 Cobblestone Hills Road
O'Fallon, IL 62269
$1,750,000
8,418 SQFT
6 beds icon 7 baths icon
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Nestled on over 12 private acres of rolling hills and lush greenery, this sprawling country estate offers the perfect blend of luxury, comfort, and tranquility. At its heart stands a majestic traditional full-brick home, with stately architecture that effortlessly combines classic charm and modern elegance. The expansive residence features multiple levels, including six bedrooms, two of which are primary suites, a gourmet kitchen, gorgeous family spaces, an indoor pool, a theatre room, and a walk-out lower level that opens to the beautifully landscaped grounds and a hot tub. The large windows allow for sweeping views of the property, flooding the interior with natural light. Outside, the estate is a true oasis. A sparkling in-ground pool, surrounded by stone patios and manicured gardens, provides a peaceful retreat. Just beyond the pool, a charming pool house offers a cozy space for relaxation or entertaining, with ample room for guests to enjoy the serene surroundings. A picturesque pond adds a touch of whimsy to the landscape, reflecting the beauty of the surrounding trees and rolling fields. The gentle sounds of nature provide a soothing atmosphere, perfect for moments of quiet reflection. An additional outbuilding, versatile in use, offers ample storage or space for hobbies, a workshop, or a potential studio. The entire property is enveloped in privacy, offering a peaceful escape from the hustle and bustle of everyday life, all within minutes of downtown O'Fallon. With its expansive grounds, luxurious amenities, and unparalleled serenity, this estate is a rare gem that promises an extraordinary lifestyle in a breathtaking natural setting. Preapproval required for showings.
Listing Provided By
Margaret Riley of Nester Realty
Property Details
Property Details

Essentials

Property Type
Residential
Status
Active
Property Sub-Type
Single Family Residence
MLS #
25073602
Year Built
1990
Bedrooms
6
Living Area
8,418 Square Feet
Bathrooms (Full)
6
Bathrooms (Half)
2
Source
MARIS MLS - Mid America Regional Information Systems.
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Location
MORTGAGE CALCULATOR
estimated 
monthly payment
Purchase Price
30-Yr Fixed
20%
Interest Rate
Estimated Property Taxes
Homeowner's Insurance
HOA Dues
Private Mortgage Insurance

Listing information © 2026 Mid America Regional Information Systems, Inc. Information from third parties deemed reliable but not verified.

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