Welcome to this exquisite residence in Three Oaks, one of Walnuts most prestigious communities. Situated on a 10,040 sq. ft. lot with beautiful views, this well-maintained luxury home offers 4 bedrooms, 4.5 bathrooms, and approximately 4,404 sq. ft. of living space, proudly owned by the original owner. The property features a main house plus a private casita with its own entrance, full bath, and independent HVACperfect as a guest suite or home office. Interior highlights include engineered hardwood flooring, custom built-ins, and plantation shutters throughout. The first floor offers formal living and dining rooms and an expansive family room that opens to a gourmet kitchen with granite island, stainless steel KitchenAid appliances, built-in refrigerator, double ovens, dual dishwashers, extended cabinetry, and walk-in pantry. Upstairs features a luxurious primary suite with sitting area, dual walk-in closets, and spa-style bath with Jacuzzi tub, plus a spacious loft with built-in entertainment center that could easily convert to a fifth bedroom. Two additional ensuite bedrooms with walk-in closets complete the level. The south-facing backyard is beautifully landscaped with mature trees, flowers, and a peaceful fountain pondperfect for relaxing or entertaining. Conveniently located near parks, shopping, Mt. San Antonio College, Cal Poly Pomona, 99 Ranch Market, Rowland Heights dining, and with easy access to the 10, 57, and 60 freeways.