Welcome to this gorgeously designed and upgraded residence situated in the prestigious and esteemed Summitridge Park community of Diamond Bar. As you approach, the inviting frontage and formal entry set a sophisticated tone, leading into a high-ceiling foyer adorned with elegant, modern lighting fixtures and a large, welcoming living room with a cozy fireplace. The expansive living room and formal dining room feature cathedral-high ceilings, creating an airy, grand ambiance. This home also boasts a sprawling backyard, perfect for outdoor enjoyment and the beautiful existing enhancements, such as the covered patio, connections for a BBQ, an expansive sparkling swimming pool and spa (can be heated), and absolutely stunning panoramic views of the mountains, hills, and greenery. Amazing sunset views, too! The spacious family room is a cozy retreat, complete with a fireplace and a wet bar, ideal for entertaining. The gourmet kitchen is a chef's dream, equipped with custom cabinets, center island with cooktop & rangehood overhead, granite countertops, built-in appliances, a walk-in pantry, and a separate beautiful custom built-in island complete with an expansive three door built-in chiller/fridge for additional food and drinks! Adjacent, the sitting area offers a charming view of the extensive backyard! The luxurious upstairs master suite is a haven of comfort, featuring dual vanities, dual sinks, a separate retreat area with a two-way fireplace, a luxurious viewing deck overlooking the grand mountains & blue skies, and an oversized walk-in closet with ample space for belongings! The lush master bath also provides a spa-like experience with its soaking bathtub and separate shower! All bathrooms throughout the home have been recently remodeled, showcasing beautiful countertops and finishes. The home offers 4 bedrooms (1 downstairs) plus a large entertaining bonus room which can serve as a large fifth bedroom if desired. Throughout the house, recessed lighting, stunning hardwood flooring, granite countertops, and aluminum white wood shutters add to the modern elegance. Located on a peaceful and appealing cul-de-sac street within the excellent award-winning Walnut School District, and this home is also close to parks, shopping centers, banks, and schools. Experience the perfect blend of luxury, comfort, & convenience in this exceptional Summitridge Park home!! Come see and appreciate everything this home has to offer!!