Rare single-story estate in the exclusive Deer Creek Community of Rancho Cucamonga. Tucked on a quiet cul-de-sac, this elegant residence showcases high ceilings, stately columns, arched details, and multiple fireplaces throughout. A grand entry opens to bright, open living and dining spaces with walls of windows and French doors overlooking the resort-style backyard and scenic mountain views. The executive office with custom built-ins can easily convert to a 4th bedroom. The luxurious primary suite offers a private retreat, fireplace, spa-inspired bath, and a custom walk-in closet. The chef's kitchen features a center island, breakfast bar, granite counters, double ovens, and a sunny nook perfect for a coffee or tech station, flowing seamlessly to a spacious family room. Designed for entertaining, the backyard boasts a sparkling pool, spa, cascading waterfalls, BBQ island, gazebo, pond, and mature citrus and various fruit trees. Additional highlights include a 3-car garage with epoxy floors, generous storage, and a Tesla/Solar lease for efficiency. Located near scenic horse trails, parks, and award-winning schools-this is luxury living at its finest!