COMFORT, PRIVACY & FUNCTIONALITY in this stunning Castro Valley home. Boasting 4 bedrooms, 3 baths, 2637 sqft situated on a 11,760 sqft lot, this thoughtfully designed floor plan, ideal for multi-generational living or those seeking extra space & versatility. One of the many highlights is the attached bonus guest quarters, featuring 1 bedroom, 1 full bath, a private side entrance, and access to a private yard—offering comfort and independence for guests or extended family. The updated kitchen is a chef’s dream, complete with beautiful custom cabinetry, stone countertops, a center island, and a bar top perfect for casual dining or entertaining. Gather in the spacious family room or host holiday dinners in the separate large dining area designed to accommodate large groups with ease. Step outside to your personal oasis—an amazing backyard retreat featuring a sparkling pool with a waterfall, hot tub & an elevated deck built for entertaining, complete with pool table & ample lounge space. Surrounded by mature trees, the outdoor space feels serene and private. For the car enthusiast or those seeking space for a home gym or workshop, the 5-car garage provides endless possibilities. This unique property combines luxury, comfort, & convenience in one of CV's most sought-after locations!