An architectural showpiece in prestigious Rowland Heights, this magnificent two-story estate offers 5,618 sqft of luxurious living space on an expansive half-acre lot in a 24-hour guard-gated community. Enjoy breathtaking 180° panoramic city lights views, 5 bedrooms, 4.5 baths, 3 suites, a bonus room used as an office, and a spacious open loft on the 2nd floor. The grand double-door entry opens to soaring ceilings, upgraded marble flooring, and abundant natural light. The gourmet kitchen features upgraded quartz countertops, top-of-the-line built-in appliances, a center island, breakfast nook, and a separate Viking wok kitchen. The spacious family room features a fireplace, while two strategically placed staircases provide elegant and convenient access to the upper level. The luxurious primary suite offers a private retreat, walk-in closet, and grand bath with tub and separate showers. An oversized balcony overlooks the spectacular city lights and mountain view. The professionally landscaped grounds feature a sparkling pool and spa, custom water fountain, expansive hardscape, huge flat backyard, wide side yard, and a 3-car garage with a long driveway that can accommodate up to 10 additional cars. And there are two EV chargers available. Conveniently located near premium shopping, dining, and Markets, 60/57 freeways, and acclaimed Rowland Unified schools. A refined private retreat offering exceptional views, elegance, and timeless luxury.