423 Pennsylvania Avenue, Potrero Hill

The building

Built in 1977, 423 Pennsylvania Avenue is a small apartment building of two stories. It holds four units, per the Assessor. The lot measures 3,300 square feet and is zoned RH-2, a two-family residential district. On Planning's zoning map, the height and bulk designation is 40-X.

Getting around

Its block of Pennsylvania Avenue runs between 19th and 20th. The nearest Muni stop, Pennsylvania and 20th, is about 450 feet on foot, and 20th and Missouri is about a five-minute walk away. Within a five-minute walk there are Muni stops at three intersections. Potrero Hill Rec Center, about 10 acres, is about a nine-minute walk away. Nearer at hand, Mariposa Park is about a six-minute walk away.

Dogpatch / Potrero Hill

Dogpatch and Potrero Hill sit east and south of Mission Bay, with a mix of industrial history and residential streets overlooking the eastern waterfront.

Source: City and County of San Francisco, Assessor-Recorder (2025 roll), Planning, Public Works, SFMTA, and Recreation and Parks records via DataSF, retrieved October 31, 2026. Walking times are estimates.