Welcome to 3675 and 3677 Christensen Lane, a unique opportunity to own two charming homes(duplex) on one expansive lot in the highly desirable location of Castro Valley. Both residences have been thoughtfully updated, blending modern conveniences with timeless appeal. Each home showcases a well-designed layout, offering ample space for comfortable living and entertaining. The property's prime location provides easy access to local amenities, shopping, dining, and top-rated schools, making it an ideal choice for families or investors seeking a versatile and convenient living arrangement. Don't miss out on this exceptional opportunity to own two homes in one of Castro Valley's most sought-after neighborhoods. Extensive upgrades such as new electrical service, new plumbling, new sewer line and fully revonated interiors. Will sell fast!