1737 Gainsborough Road AMAZING VIEW ESTATE! Rare Private Compound in Prestigious Walnut Creek, San Dimas. An exceptional opportunity to own a private view estate in the highly sought-after Walnut Creek enclave of San Dimas. This custom-built residence offers approximately 3, 239 sq. ft. of living space on a 38, 692 sq. ft. lot, plus an additional 66, 353 sq. ft. parcel (scenic disclosure), totaling over 107, 000 sq. ft. of land. The property showcases a breathtaking backyard overlooking a 2.46-acre scenic valley with walking trails, creating a peaceful, park-like retreat with expansive natural surroundings—evoking the feel of a private national park. Designed for both comfort and elegance, the home features 4 bedrooms, including a main-level suite, a guest powder room, and a spacious bonus room ideal for a home office, library, or media room. Interior highlights include a sweeping staircase, custom oak woodwork, soaring ceilings, wide hallways, a wet bar, and two fireplaces. The primary suite offers a spa-inspired bathroom with a soaking tub, separate shower, spaious balcony, and a walk-in closet. The kitchen is equipped with built-in appliances and a walk-in pantry, while the upstairs bonus room and wrap-around balcony capture sweeping hillside and valley views. Outdoor amenities include mature fruit trees, vibrant landscaping, multiple entertaining areas, a breezy patio, RV parking, and a 3-car garage complete with a workbench and utility sink. Conveniently located near schools and shopping, with easy access to the 10, 57, and 210 freeways. No HOA, exceptional privacy, and strong upside potential. A truly rare offering—ideal for creating a signature estate or securing a premier investment in one of San Dimas’ most desirable neighborhoods.