Selling primarily for land value, this exceptional and FULLY USABLE 1.83-acre lot sits elevated within the prestigious 24-hour guard-gated community of The Country Estates, surrounded by multi-million dollar estates and offering sweeping panoramic valley views. The property currently includes a MAIN HOUSE of approximately 3,720 sq ft (physical measurement), along with an ADDITIONAL SEPARATE ADU/ pool house of approximately 1,008 sq ft (physical measurement), and a detached four-car garage of approximately 1,035 sq ft (physical measurement). The property is being sold strictly in AS-IS condition. The seller will not perform any repairs. Cash buyers only. A prior custom estate plan—designed by a renowned architect—was approved by the city in September 2019 (now expired) for an approximately 15,000 sq ft luxury residence. The design included nine suites, guest quarters, a grand 1,500 sq ft great room, gym, courtyard, pool, tennis court, and a subterranean garage accommodating 7+ vehicles. All information provided is deemed reliable but not guaranteed. Buyers are responsible for independently verifying all measurements, details, and requirements with the City of Diamond Bar and the HOA, including any matters related to plan approval, renewal, or modifications. Located within the highly acclaimed Walnut Valley Unified School District. A rare opportunity to create and build your dream estate in one of the area’s most sought-after communities.