310 Haycastle Drive

O'Fallon, MO 63367

Welcome to 310 Haycastle—where comfort, space, and community come together in one of O'Fallon's most sought-after areas. This 4-bedroom, 3.5-bath home is designed with family living in mind, offering a functional layout, inviting indoor spaces, and standout outdoor features perfect for entertaining or relaxing. Situated in a welcoming neighborhood with access to top-tier amenities, this home provides both everyday convenience and long-term value in a growing market. -- Home Highlights: 4 bedrooms | 3.5 bathrooms with a spacious, family-friendly layout Upper-level "bonus room" ideal for a playroom, game room, etc Finished basement offering additional living space, entertainment area, or home office potential Composite deck for low-maintenance outdoor enjoyment Backyard patio—ideal for gatherings, grilling, and outdoor living Two-car "tandem" garage allowing space for storage, trailer, boats, etc. Generous living spaces designed for both comfort and functionality -- Upon entering the home, a beautiful office space and separate dining room flank the entrance. Moving forward, the residence flows into a bright kitchen/family room with ample lighting, oversized kitchen island, fireplace and grand windows. Laundry/utility room, a half-bath, walk-in pantry, coffee bar, and the master bedroom are all located on the first floor. The second level features a sizable bonus room, 3 full bedrooms and a full bathroom. The lower level has been finished with a custom bar, game area, large storage room and a walk out door to the backyard patio. -- Community & Lifestyle: Located in a quiet, established subdivision with a strong neighborhood feel Access to lakes, walking trails, parks, and recreational amenities Ideal for active lifestyles and family-oriented living Close to schools, playgrounds, and community events -- Location & Convenience: Minutes from shopping, dining, and everyday essentials Easy access to major highways for commuting Peaceful setting while still being centrally located -- Long-Term Value: Positioned in a high-demand Lake St. Louis market Continued area growth supports strong property value potential A great opportunity for buyers seeking both a home and long-term investment

Listing courtesy of Lake Saint Louis Realty, LLC


Based on information submitted to the MLS GRID as of 2026-04-19 02:53 PM 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.