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155 Keystone Ridge Drive, 
O'Fallon, MO 63366

$439,900


3

Beds


2

Baths


1,984

Sq Ft


Single Family


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Last updated:

November 20, 2025, 05:24 PM

MLS#

25076846

Source:

MO MARIS

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About This Home

155 Keystone Ridge Drive

Don’t miss your chance to own this charming home in a highly desirable O’Fallon neighborhood! This gorgeous 3-bedroom, 2-bath home with a 3-car garage offers nearly 2,000 sq. ft. of main-floor living—plenty of room for everything and everyone! You’ll love the beautiful hardwood floors, vaulted ceilings, tons of natural light, spacious Great Room feels warm and inviting. The primary suite is a true standout with its large walk-in closet and a bright master bath featuring a separate tub and shower, plus convenient his-and-hers vanities. Two additional generously sized bedrooms and a roomy hall bath complete the main level, along with a super convenient main-floor laundry. Step outside to the deck and patio—perfect for entertaining, grilling, or simply enjoying a peaceful morning cup of coffee. This home also features a whole-house water purification system, adding an extra touch of comfort and quality. The lower level features an egress window and a rough-in for a future bathroom, giving you the opportunity to expand and make the space your own. All of this in a prime location near parks, shopping, restaurants, and major highways. Great house, great location, great opportunity!

Home Facts

Single Family

2 Baths

3 Bedrooms

Built in 2019

Price Summary

439,900

$221 per Sq. Ft.

MLS #:

25076846

Last Updated:

November 20, 2025, 05:24 PM


Rooms & Interior

Bedrooms

Total Bedrooms:

3

Bathrooms

Total Bathrooms:

2

Full Bathrooms:

2

Interior

Living Area:

1,984 Sq. Ft.


Structure

Structure

Architectural Style:

Ranch

Building Area:

1,984 Sq. Ft.

Year Built:

2019


Lot

Lot Size (Sq. Ft):

8,999


Finances & Disclosures

Finances

Price:

$439,900

Price per Sq. Ft:

$221 per Sq. Ft.

155 Keystone Ridge Drive
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By clicking Contact I agree a Coldwell Banker Agent may contact me by phone or text message including by automated means and prerecorded messages about real estate services, and that I can access real estate services without providing my phone number. I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.