First time on the market, 20857 Fuerte Drive is a rare custom-built estate, nestled behind a private driveway in one of Walnut's most prestigious enclaves. Surrounded by multi-million-dollar homes, direct access to bridle paths & equestrian riding arena, this timeless single-story residence offers approximately 2,325 sq. ft. of living space with 4 bedrooms and 2.5 bathrooms on an expansive 26,639 sq. ft. lot. Designed with classic cedar-lined cathedral ceilings, Italian tile floors, and carefully crafted details, this home embodies both elegance and comfort. Spacious gathering areas include a formal living room, open family room with fireplace, its own custom hardwood bar, and a bright atrium perfect for garden enthusiasts. A covered patio with spa, five-car garage, extra sheds for storage or workshop, and ample RV parking further enhance the property. The grounds are beautifully graded with mature fruit trees, offering the chance to create a true farm-to-table lifestyle. The gentle roll of the land, and expansive acreage provide endless opportunities for expansion, an ADU/JADU, or redevelopment into a custom estate.Located within the award-winning Walnut Valley School District and walking distance to Suzanne Park, the Walnut Library, and community centers, this property offers the perfect blend of privacy, location, and potential. 20857 Fuerte Drive presents a once-in-a-lifetime opportunity to own a legacy property in Walnut, offering unmatched exclusivity and incredible possibilities.