Experience the perfect blend of sophisticated comfort and garden serenity in San Rafael’s highly desirable Glenwood neighborhood. 28 Castlewood Drive is a meticulous 4-bedroom, 3-bathroom residence that shines with fresh interior paint and gleaming hardwood floors throughout. The versatile floor plan features a highly sought-after main-level bedroom and full bath providing ideal flexibility for guests or a home office. The heart of this home extends outdoors to a spectacular, private oasis. Situated on a premier 11,000+ SF lot, the gorgeous backyard features a large level lawn of high-quality turf, framed by a lush, meticulously landscaped hillside. This exceptionally private retreat is alive with flowering plants and offers the ultimate in relaxation with a luxurious 6-person hot tub, a spacious patio, and a retractable sunshade for warm afternoons. This home has been thoughtfully maintained and updated for modern longevity. Key enhancements include a newer roof, furnace, air conditioning, and an upgraded 200-amp electrical panel. Comprehensive safety and resilience features are already in place, including earthquake retrofitting and an advanced drainage system with a battery-backup sump pump. Located just a short stroll from award-winning Glenwood Elementary and surrounded by the natural beauty of Marin, this is an exceptional opportunity to move right in and enjoy a beautifully prepared home in a premier location.