Tucked away in a low-traffic Upper Castro Valley location, this custom-built 1971 home offers space, privacy, and endless potential on a large lot with possible ADU opportunities. Featuring 3 bedrooms and 2 bathrooms, the home is highlighted by exceptionally large rooms and a flexible floor plan designed for comfortable everyday living. The cozy family room flows into a bright sunroom, creating additional living space perfect for relaxing, entertaining, or enjoying views of the surrounding setting. Located within the highly regarded and award-winning Castro Valley School District and walking distance to all levels of schools, this property combines convenience with a peaceful neighborhood feel. Buyers are advised to verify school attendance and availability with the Castro Valley Unified School District, including potential attendance at Vannoy Elementary School. With its oversized lot, custom character, and desirable Upper Castro Valley location, this is a rare opportunity to create something truly special.