Charming 2-unit building on the coveted North slope of Potrero Hill with stunning bridge-to-bridge views and approved plans. Fully vacant, the upper owner's unit is on two levels and features 4 bedrooms and 2 bathrooms, high ceilings, period details, charming built-ins, and views of twin peaks, GGB, downtown and bay views. Enjoy access to the sunny back decks from both levels. The lower unit, with one bedroom and one bathroom, is perfect for an au pair or income unit and has direct access to the backyard. Approved plans from SF Planning Dept. include adding a garage, master bath, 4th level, rooftop deck with 360 views, 4000+ sqft home. Live comfortably in the property as-is or build your dream home on one of the best blocks. Potrero Hill enjoys one of the warmest climates in the city, easy street parking, McKinley Square Park, Wholefoods, the bustling restaurant corridor of 18th St, and access to 101 & 280, Downtown, and Caltrain