Welcome to 22455 Ridgeline Road, an extraordinary opportunity to acquire a prime parcel of vacant land in the heart of The Country Estates, one of Diamond Bar's most coveted neighborhoods. This rare offering invites discerning buyers, developers, or custom homebuilders to create a private legacy estate on a spacious and buildable lot surrounded by nature in a quiet and friendly neighborhood. Situated behind 24/7 guard-gated access, this oversized lot features a gently sloping large building pad ideal for designing and building a substantial custom home. The parcel sits on an elevated section of Ridgeline Road and enjoys sweeping views of the city and rolling hills below, providing an architectural view backdrop along with peace and privacy. The peaks of Mount Baldy are also visible in the distance. The Country Estates is known for its quiet, park-like setting, and estate homes on expansive lots. Residents enjoy exclusive access to a host of premium amenities including a private community pool, tennis courts, clubhouse, playground, and security patrol. With well-maintained roads, mature landscaping, and guard gated access, this neighborhood is a true retreat in the heart of Southern California. This location offers the perfect blend of privacy and convenience just minutes from award-winning schools, shopping centers, golf courses, and major freeways connecting you to Los Angeles, Orange County, and beyond. An incredible opportunity in one of Diamond Bar's most coveted enclaves. Buyer to verify utility access, plans and permits, and neighborhood architectural rules and restrictions.