638 Knollshire Way

O'Fallon, MO 63368

Exquisite Four-bedroom, 5.5-bath luxury residence nestled in the highly coveted Bainbridge subdivision. Offering approximately 4,625 square feet of impeccably Finished Living Space, this exceptional home blends refined elegance with thoughtful design at every turn. At the heart of the home is a Chef-Inspired Gourmet Kitchen showcasing 42-inch Custom Cabinetry, Granite Countertops, premium Stainless-Steel Appliances, a Double Oven, an Expansive Center Island, and a Built-in Planning Desk—designed to accommodate both intimate gatherings and grand entertaining. A Composite Deck seamlessly extends the Living Space Outdoors, enhanced with an Extended Poured Concrete Patio below the Deck. This gem features a New Roof and a Three-Car Garage, providing both peace of mind and convenience. The Main Level is highlighted by Rich Hardwood Flooring, a Formal Living Room, and an Elegant Separate Dining Room & Wine Bar ideal for hosting. The Dramatic Two-Story Great Room features Floor-to-Ceiling Windows that flood the space with Natural Light and a Striking Wood-Burning Fireplace, creating a warm yet sophisticated atmosphere. The Main-Floor Primary Suite serves as a Private Retreat, complete with a Spa-Inspired Bath featuring Double Vanities, a Soaking Tub, a Separate Shower, and Two Generous Walk-in Closets. Upstairs, a beautifully appointed Sitting Area anchors Three Additional Spacious Bedrooms, Three Full Baths, ensuring comfort and privacy for family and guests alike. The Fully Finished Lower Level elevates entertaining to the next level with Multiple Flex Spaces, including a Recreation Room, Sleeping Area, Family Room, & Media Room. In addition, the Lower Level is complemented by a Full Bath, Custom Wet Bar, & Kegerator—perfect for hosting unforgettable evenings. This remarkable home offers Timeless Architecture, Luxurious Finishes, and Exceptional Functionality—all set within one of the area’s most prestigious communities. A MUST SEE!

Listing courtesy of Coldwell Banker Premier Group


Based on information submitted to the MLS GRID as of 2026-01-19 01:00 AM UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. 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/agent presenting the information.