Location, location, location! 3726 21st Street is located in SF's premier Dolores Heights Historic District and boasts spectacular sweeping views of the City. Loved by the same family for nearly 40 years, this is a unique offering that has not been available for decades. The home sits on a large lot with a fenced rear, tranquil and charming garden. This 3-level home has delightful period details and trim throughout and includes the Main Level with entry porch, formal living room with fireplace, formal dining room, family room, large kitchen and powder room; Upper Level with 3 generous bedrooms plus a sunroom (or 4th bedroom), full bath and large walk-out panoramic view deck; Lower Level with 1-car garage, laundry area and ample room for storage, a second half bath plus an enclosed deck at the rear of the garage. There is also a large, unfinished attic. This home offers tremendous expansion potential (see City Structure Horizontal Expansion Analysis included in the property disclosure package upon request). Perched on the hill between Noe Valley and Eureka Valley with such neighborhood favorites as La Boulangerie, Whole Foods and more! Dolores Park is just 3 blocks away! Scores: Walk=92; Transit=85. (Buyers to do their own investigations regarding property expansion potential.)