Set on nearly 1 acre in prestigious Diablo Country Club, this exquisitely crafted estate features 5 bedrooms, 5.5 bathrooms, & exceptional custom details like hardwood floors, extensive millwork, & coffered ceilings. Formal living and dining rooms create elegant entertaining spaces, while the gourmet kitchen delights w/ top-tier appliances, custom cabinetry, an expansive island, & an inviting breakfast nook. The adjacent family room opens seamlessly to the beautifully landscaped yard. The well-appointed main-level guest suite is accompanied by an additional half bath. Upstairs, the luxurious primary suite boasts vaulted box beam ceilings, a spacious walk-in closet, & a spa-like bath w/ heated floors, steam shower, & dual vanities w/ custom cabinetry. All bedrooms are en suite, ensuring privacy and comfort. Additional amenities include a dedicated laundry room, expansive finished lower-level basement w/ storage rooms or potential climate-controlled wine cellar, large 3-car garage, backup generator, Tesla charger, & mudroom w/ built-in storage. The grounds feature multiple outdoor seating areas, a firepit, outdoor kitchen & bar w/ natural gas BBQ, a remote-controlled waterfall, & lush landscaping. Located within the top-rated San Ramon Valley School District in the heart of Diablo.