Welcome to a truly distinctive offering in classic San Francisco living, this rare lower-unit condominium provides exceptional flexibility with two fully separate living spaces: a one-bedroom main residence and a detached studio cottage, each with its own entrance. Rich in period character, the main home features hardwood floors, a gracious living room with an east-facing bay window, decorative fireplace with mirrored mantel, crown molding, and built-in cabinetry. The spacious bedroom showcases coved ceilings, architectural moldings, and integrated storage, while the full bath and tiled kitchen with matching backsplash, generous counter space, an adjacent dining area opening directly to the backyard, and an internal staircase from the main entry to the garage. The detached studio cottage offers French doors to the garden, built-in cabinets and drawers, a kitchenette, and a full bath, creating an ideal space for guests, work-from-home, or creative use. A spiral staircase provides a secondary convenient access to the garage below. Both residences enjoy access to a deep, multi-tiered backyard with mature landscaping and expansive decking, offering a rare indoor-outdoor lifestyle. This unique property blends period charm, privacy, and versatility seldom found in condominium living.