Tucked away on a tranquil private cul-de-sac, this exceptionally scarce residence enjoys unrivaled permanent 180deg panoramic vistas, overlooking Diamond Bar's shimmering nighttime skyline and undulating mountain ranges. Designed with 3 bedrooms and 2.5 baths, its bright open-concept layout. Beautifully remodeled interior. A stately double front door ushers into a voluminous living room accented by lofty ceilings, alongside a legally permitted enclosed sunroom/patio spanning 285 sqft (Total approximately 2,120 sqft). The sprawling private balcony adjoining the primary bedroom serves as an exclusive viewing perch to soak in sweeping city views. There's a loft on the second floor set up as an office space. Top-rated Walnut Unified School District. Convenient access to Freeways 60 and 57. Minutes from restaurants, markets, parks and schools.