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799 Allenbrook Avenue

O'Fallon, IL 62269

$450,000

4 beds · 4 baths · 3,767 sq ft

Listing office: Keller Williams Marquee

Two-story exterior featuring a brick and siding facade, covered front porch with columns, and an attached two-car garage

Photo 1 of 51

About this home

Welcome to this beautifully maintained 4-bedroom, 4-bath home offering an open-concept layout, generous living space, and the potential for a fifth bedroom. The spacious eat-in kitchen is designed for both everyday living and entertaining, featuring granite countertops, a large center island, breakfast bar seating, and abundant cabinet space. A formal dining room provides the perfect setting for holiday gatherings and special occasions. The expansive primary suite offers a vaulted ceiling, an oversized walk-in closet, and a private en-suite bath complete with a double vanity, whirlpool tub, and separate shower. Every upstairs bedroom includes its own walk-in closet, providing plenty of storage throughout the home. A convenient main-floor laundry room with ample cabinetry and a welcoming foyer add to the home's thoughtful design. The fully finished basement boasts 9-foot ceilings, two egress windows, and flexible living space ideal for a recreation room, home office, guest suite, or potential non-conforming fifth bedroom. Step outside to enjoy the covered patio overlooking a white vinyl privacy-fenced backyard, creating the perfect space for relaxing or entertaining. Additional features include separate HVAC systems for the main and upper levels, 200-amp electrical service, and a sump pump with battery backup for added peace of mind. New roof with transferable warranty. Located in the highly desirable Savannah Hills community, residents enjoy outstanding neighborhood amenities including a clubhouse, saltwater pool, children's pool, playground, and scenic walking and biking trails. Conveniently situated with quick access to St. Louis, Scott Air Force Base, shopping, dining, and entertainment, this home offers the perfect combination of comfort, convenience, and community. Buyer to independently verify all MLS information, including but not limited to square footage, room measurements, lot size, taxes, and school district.

Home facts

Bedrooms
4
Bathrooms
4
Living area
3,767 sq ft
Lot size
0.24 acres
Property type
Residential · Single Family Residence
Year built
2017
Subdivision
Savannah Hills 2nd Add
Days on market
73
Listed on
Aug 12, 2026
Listing office:
Keller Williams Marquee, 618-307-5616
Listing agent:
Mareva Durbin
MLS number:
26048122

Presented by Narrative Real Estate, 314-480-5353, jess@jessicaberchtold.com

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MARIS data last updated at October 24, 2026 at 4:15 AM CDT.

Information from third parties, deemed reliable but not verified. All data is obtained from various sources and may not have been verified by the broker or the MLS. 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 or agent presenting the information. The information provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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