Rarely available single-story view home nestled on a quiet cul-de-sac in one of North Diamond Bar's most desirable neighborhoods. This exceptional residence combines the convenience of single-story living with 6 bedrooms, 5 bathrooms, a fully permitted ADU, sweeping canyon and city-light views, and a thoughtfully designed floor plan that offers outstanding flexibility for today's lifestyle. The home features a fully permitted ADU complete with its own bedroom, full bathroom, living area, and full kitchen. Designed with multiple private access points, the flexible layout is well suited for multi-generational living, extended family, long-term guests, home office needs, or a variety of evolving lifestyle arrangements while offering additional long-term versatility. Inside, soaring vaulted ceilings and abundant natural light create a bright and inviting atmosphere. The open-concept living, dining, and kitchen areas provide a seamless flow for both everyday living and entertaining, while rich hardwood flooring adds warmth and timeless character throughout much of the home. Thoughtfully updated over the years, the property features a brand-new roof, fully paid-off solar system, tankless water heater, newer HVAC system, and numerous additional improvements, providing both comfort and long-term peace of mind. Step outside to a spacious backyard offering plenty of room for entertaining, relaxing, and enjoying the surrounding canyon and sparkling city-light views. Combining the rarity of single-story living, the versatility of a permitted ADU, flexible living spaces, major system upgrades, and a premier cul-de-sac location, this is an exceptional opportunity in one of Diamond Bar's most sought-after neighborhoods.