310 Haycastle Drive, O'fallon, MO 63367

• 4 beds |
• 4 baths |
• 4,971 sqft

Property Description

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 Status:

Pending

Date Added:

April 1, 2026

Data Last Updated:

May 21, 2026 at 10:16PM

Listing Office:

Lake Saint Louis Realty, LLC : 636-577-5288

MLS ID:

26011208

Interior

• Basement: Finished
• A/C: Central AirElectricZoned
• Heating: Forced AirNatural GasZoned
• Fireplace: Living RoomFireplaceFireplaces: 1

Exterior

• Style: Traditional
• Other Structures: DeckPatio

Construction

• General: Brick VeneerFrameVinyl SidingTwo

Location

• HOA Amenities: BarbecueBasketball CourtPlaygroundPoolRecreation FacilitiesMaintenance GroundsPool1100.0Annually
• Originating MLS: maris2
• School District: Wentzville R-IV
• County: St. Charles

Lot

• Zoning: 4-0067-C505-00-0235.0000000
• Fencing: Partial

Utilities

• Utilities: Natural Gas ConnectedUnderground Utilities220 Volts
• Water: Public
• Sewer: Public Sewer

Financial

• Source: maris2