Welcome to The Castle on Park! An extraordinary estate nestled in the heart of Upland within the exclusive San Antonio Heights neighborhood. Offering a rare blend of timeless elegance and modern luxury. This impeccably remodeled home boasts 5 spacious bedrooms and 5 lavish bathrooms, with just about every inch beautifully remodeled and carefully crafted for sophisticated living. Step inside and be greeted by a formal living space with its own fireplace' the perfect space to enjoy your morning coffee by the fire. As you step into the grand family room, you&#39'll be taken back by the grandeur of 25-foot-high ceilings, oversized windows that provide ample lighting, perfect for entertaining or relaxing by one of the home’s three fireplaces. The gourmet kitchen is a chef&#39's dream, featuring a 6-burner stove as well as a pot filler, a stunning waterfall island, and top-of-the-line finishes, making it the heart of this exquisite residence, which is wide open to both family and dining room. An elegant interior balcony overlooks the family room, adding to the open, airy ambiance. The primary suite, located on the main level, offers a private sanctuary with a luxurious walk-in closet, a free-standing soaking tub, and a walk-in shower in the spa-inspired bathroom. Upstairs, a Jack and Jill bathroom connects two of the generously sized bedrooms, providing convenience and style for family or guests. A chic bar and lounge room elevate the home&#39's entertainment possibilities' poker, pool, cigar lounge? The possibilities are endless. Situated on over half an acre of beautifully landscaped grounds, this property is an entertainer’s paradise. Indulge in the sparkling pool and spa, perfectly suited for basking in Southern California’s idyllic weather, or retreat to the guest house, a private haven offering exceptional comfort for your guests. The expansive outdoor space includes a circular driveway, a detached 3-car garage, gated RV parking, and ample room to explore. From the impeccable interior finishes to the expansive outdoor living areas, 2371 Park Blvd is the epitome of luxury living, offering a rare opportunity to own a fully remodeled masterpiece in one of Upland’s most desirable neighborhoods!