Located on a tree-lined street just steps from the heart of North Beach, 41 Castle captures iconic San Francisco views stretching across Washington Square Park to the Golden Gate Bridge and Coit Tower. This 4-bedroom, 4.5-bath home preserves the exterior charm of the turn of the century, while the interior has been thoughtfully updated for modern living. The centerpiece is an open floor plan combining the kitchen, dining, and living areasideal for both entertaining and everyday life. The living room features a large picture window framing stunning views, a fireplace, and a walkout deck. It's equally perfect for hosting friends or enjoying a quiet night at home. A powder room completes this level. The primary suite, also showcasing bridge and bay views, includes two spacious closets, a spa-like bathroom, and a private patio. The top floor is filled with natural light and offers two additional bedrooms, a full bathroom, and a home office with sweeping city views out to the Golden Gate. On the lower level, a comfortable family room opens to a walkout patio with a sitting area and a full bathcreating a great space for guests or relaxing. Just off the entry is a guest suite that can easily serve as an office or gym, offering flexibility to suit your needs. Additional features include a laundry room, hardwood floors, AC, skylights, and a two-car garage with a lift system. All of this, just moments from the restaurants, cafs, parks, and vibrant energy of North Beach, makes this home one of Telegraph Hill's truly special offerings.