Welcome to 824 Leyland Drive, a beautifully maintained executive residence nestled in one of Diamond Bar's most desirable neighborhoods. This stunning two-story home offers approximately 2,522 sq.ft. of refined living space with 4 bedrooms and 3 full bathrooms, situated on an expansive 29,500 sq.ft. (0.68 acre) lot offering privacy, natural beauty, and endless outdoor potential. Step through the elegant double-door entry into a bright foyer with soaring ceilings and abundant natural light. The spacious formal living and dining rooms provide the perfect setting for gatherings and entertaining. The upgraded kitchen features granite countertops, a center island, stainless-steel appliances, and custom cabinetry, seamlessly connecting to a cozy family room with fireplace and wet bar. A full bedroom and bathroom on the main level are ideal for guests or multi-generational living. Upstairs, you'll find an oversized loft that can be used as a second family room, home office, or play area-offering extra flexibility for today's lifestyle. The luxurious primary suite includes a large walk-in closet, secondary closet, and a spa-inspired bathroom with dual sinks, soaking tub, and separate shower. Additional upgrades include an owned solar power system with backup battery, pre-wired EV charging outlet, upgraded energy-efficient LED lighting throughout, and a spacious 3-car garage. The expansive park-like backyard features mature landscaping, a large patio, and ample room to add a pool, sport court, or ADU. Located near award-winning schools, Pantera Park, shopping centers, and with easy access to 57 and 60 freeways, this home blends comfort, sustainability, and timeless California living.