An extraordinary Estate in prestigious Diablo Country Club, offering impeccably maintained living on over 4.5 private acres with breathtaking views. The main level is thoughtfully designed for both grand-scale entertaining and everyday luxury living. Upon entry, the main level features 4 spacious bedrooms, each with its own private bath, PLUS a home office. Elegant formal living & dining rooms, while the expansive family room & beautifully updated kitchen open to stunning view decks & outdoor entertaining. Lower level is a retreat of its own - complete w/ media room, game room, entertaining kitchenette, & a dedicated yoga/fitness studio. Attached yet privately accessible is a beautiful two-bedroom, 2-bath guest apartment w/ its own entrance, full kitchen, & separate laundry. The grounds are equally impressive. A stunning pool & spa, expansive decking, & sweeping views create a resort setting w/exceptional privacy. The lower portion is expansive and level with its own separate driveway - w/ potential for tennis courts, ADU, or horses. Just moments from Diablo Country Club, walking distance to Mount Diablo trails, this property offers a rare combination of seclusion, recreation, & refined estate living. Truly exceptional & one of the most coveted locations, Come fall in LOVE!