First time on the market in over 65+ years! Meticulously maintained building with both units showcasing spacious floor plans, large light-filled rooms, architectural details, historic charm, hardwood floors, high ceilings & potential for modern updates. Spacious 2-car tandem garage PLUS unwarranted bonus unit with great room, kitchen, bath and bedroom apartment that looks onto the lovely backyard garden. The upper unit (3535 two-level penthouse) has a grand living room, high ceilings, fireplace. formal dining room, chef's kitchen. Four bedrooms, two bathrooms, laundry room. The light filled primary suite, has a walk-in closet, spa like bath with soaking tub, dual-sink vanities and an enviable rooftop terrace with views of the Golden Gate Bridge. Lower unit (3533) comprising of a stately living room w/fireplace, dining room, eat-in kitchen, two bedrooms and one bath and laundry room. Unique opportunity to own trophy property of this caliber in heart of the Marina Perfectly positioned on one of the best blocks in the most desirable neighborhood, just steps from Fort Mason, Marina Green and Golden Gate Bridge. Great Walking score proximity to the vibrant shopping & dining options of Chestnut, Filmore and Union Streets make this the most enviable location in the City. Must See!