About This Home

This 6-bedroom, 8-bathroom single family at 115 Cobblestone Hills Road in O'Fallon, IL is listed for $1,750,000 ($208 per sqft). Built in 1990, the home offers 8,418 sqft of living space on a 12.15 acres lot.

Key Features

  • Built in 1990
  • 12.15 acre lot
  • 2 stories
  • Private pool
  • Fireplace
  • Waterfront

Property Details

2 stories
6 full, 2 half
1990

Amenities

PoolFireplaceWaterfrontViewHardwoodA/C
Listing Description

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.

Monthly Cost Estimate

$9,359/mo

20% down · 6.5% · 30 years

Principal$1,266
Interest$7,583
Insurance$510

Estimates only. Actual payments may vary.

Location

115 Cobblestone Hills Road

O'Fallon, IL 62269

Cobblestone Hills

Features & Amenities

Interior Features

Beamed CeilingsBidetBookcasesBuilt-in FeaturesCenter Hall FloorplanCrown MoldingCustom CabinetryDouble VanityEat-in KitchenGranite CountersHigh Speed InternetIn-Law FloorplanKitchen IslandOpen FloorplanPantryMaster DownstairsSeparate ShowerSoaking TubStorageTwo Story Entrance FoyerWalk-In Closet(s)WhirlpoolWorkshop/Hobby Area

Exterior Features

BalconyGardenLightingMisting SystemPrivate EntrancePrivate YardStorage

Property Details

Flooring

CombinationHardwood

Construction

Brick

Views

Forest

Pool Features

Pool

Outdoor Features

Patio

Heating

Forced AirGeothermal (Heating)Heat Pump (Heating)

Cooling

Ceiling Fan(s)Central Air

Questions & Answers

This 6-bedroom, 8-bathroom single family at 115 Cobblestone Hills Road is listed at $1,750,000 ($208/sqft). The estimated monthly payment is $9,359 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 1990, 12.15 acre lot, 2 stories, Private pool, Fireplace, Waterfront. Interior Features: Beamed Ceilings, Bidet, Bookcases. Exterior Features: Balcony, Garden, Lighting.

This property is listed by Margaret Riley and can be reached at (618) 567-4000.

MR

Margaret Riley

Agent at Nester Realty Inc.

(618) 567-4000

Listed by Nester Realty Inc. · Broker phone: (618) 567-4000 · View on Broker Site

MLS# 25073602· Source: Mid America Regional Information Systems, Inc.· 274 days on PropertySimple

Copyright © 2026 Mid America Regional Information Systems, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

115 Cobblestone Hills Road, O'Fallon, IL 62269

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