Welcome to 4952 Trillium Trail, an exceptional custom estate nestled in the sought-after Prairie Trails community of Long Grove. Set on nearly one acre backing to open space, this stunning Fassbinder residence offers over 7,500 square feet of finished living space, blending architectural elegance with everyday comfort in a truly private setting. A dramatic two-story foyer makes an unforgettable first impression, anchored by a sweeping curved staircase and elegant architectural detailing. The main level features rich hardwood and limestone flooring, creating a sophisticated yet warm ambiance throughout. Three fireplaces enhance the home's inviting character across multiple gathering spaces. The luxurious primary suite serves as a private retreat, complete with a serene sitting room and spa-inspired bath. With 5 bedrooms and 5.1 baths, the home offers exceptional space, comfort, and flexibility. The full English finished lower level significantly expands the living experience, featuring a second family room with fireplace, dedicated theater room, exercise space, game area, full kitchen with bar, and an additional guest bedroom - ideal for entertaining, extended stays, or multi-generational living. Backed by preserved open space and surrounded by mature landscaping, this remarkable residence delivers refined living in one of Long Grove's most desirable neighborhoods and is served by award-winning Stevenson High School!