Wow! This elegant expanded and highly upgraded 2,377 sq ft home has 4 bedrooms, 3 baths, and a brand-new 896 sq ft 2 bedroom, 1.5 bath ADU with 9' ceiling, 7" crown molding, a full kitchen with Carrara marble countertop, and LVP flooring. It also has its own address and a private patio. The gourmet kitchen in the main house features custom cabinets and a skylight, center island with breakfast bar, and a gas range with custom vent-hood. The expansive primary suite upstairs has a 9' ceiling, a balcony, and view of Mt. Diablo. There is a spacious walk-in closet, Jacuzzi tub, and an antique double-sink vanity. The great room has a 9' ceiling, and surround sound. The whole house has solid hardwood floors and elegant aluminum-clad wood frame windows. The outdoor kitchen is equipped with a natural gas rotisserie grill, granite countertops and a wood-burning pizza/bread oven. The 4,700+ watt solar panels are owned. Close to 680, 580, BART stations, schools and shopping. Open Sun 1:00-4:00