Welcome home to 21355 Chirping Sparrow Road in Diamond Bar. This beautiful 5-bedroom, 4-bathroom single-family home features an attached 3-car garage and breathtaking 180-degree city skyline and mountain views. Designed with an open floor plan and filled with natural light, this home offers both comfort and functionality. The spacious primary bedroom features vaulted ceilings, oversized closets, and a private Roman-style bathroom retreat. The first floor includes three additional bedrooms and a full bathroom, providing added convenience and flexibility. Upstairs, an impressive junior suite occupies the entire second floor and includes its own private full bathroom, making it perfect for guests, extended family, or a private retreat. Truly a hidden gem in the city of Diamond Bar, this home offers space, views, and comfort all in one. Come take a look and make this house your home before it's gone.