A historic masterpiece, this fully renovated 5++BD/3+BA chalet + 1BD/1+BA guest/carriage house offers architecturally rich luxury with sweeping views of Mt. Diablo and Briones Reservoir. The gated 4582 SQFT estate rests on +/- .78 acres surrounded by oak woodlands. Built in 1938, the home's first floor exudes Old World charm and modern comfort with floor to ceiling views. Enjoy a cathedral ceiling and dramatic fireplace in the great room and a glass door from the dining room onto a deck for easy California living, panoramic views, and an outdoor kitchen. The recently renovated kitchen includes new Miele appliances, custom cabinets, and an adjoining den. Upstairs find a full bath, two sunny bedrooms, and an office with balcony. The ground floor owner's wing boasts a wine cellar, laundry area, full bath with designer finishes, and two large bedrooms with patio access and an ensuite bath. A third room offers space for another bedroom, gym, or nursery. The expansive patio with an inground hot tub is ready for entertaining and play. The carriage house has a beautiful 1BD/1BA apartment with full kitchen, plus a 2-car garage, EV charging, laundry room, and half-bath. Enjoy local trails, top public schools, private swim and country clubs, shopping, and dining just down the road.