Know This Place
37.7625, −122.3933 A locator map appears here once a Mapbox token is configured.

301 Pennsylvania Avenue

Potrero Hill · San Francisco, CA 94107

  • Built 1906
  • Office building
  • 2 stories
  • Zoned RH-2
  • District 10
  • Historic status: historic resource
37.7625, −122.3933 Street View appears here once a Google Maps embed key is configured.
5,412 sq ftBuilding area
10,000 sq ftLot area
11Rooms · 2 baths
  1. 1867

    Built as the Richards House.

    Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
  2. 1907

    The Union Iron Works hospital was first established in the house here, before a purpose-built hospital was put up next door.

    Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
  3. Jun 1984

    Remove non-struct.part. add 1 set 3'x6'8" doors.

    Expired Permit 8406507 $$$ $2,000
  4. Dec 1984

    Replace 1st end floor windows with double glazed windows.

    Complete Permit 8413495 $$$ $25,000
  5. Mar 1985

    Add holddowns & plywood shear walls.

    Complete Permit 8502714 $$$ $300
  6. Jun 2010

    Repair 200 sq ft of wood siding on south side exterior face of the building, 2nd story.

    Complete Permit 201006295586 $$$ $2,500
  7. Dec 2022

    For compliance with abe program. abe# 202205110761.

    Approved Permit 202212289234 $$$ $12,000

The survey's data table dates the building to 1867; the context statement's appendix dates it to 1866. Not yet documented: the architect and builder and the early tenants. The assessor dates the building to 1906; the city's 2011 survey of Showplace Square and the northeast Mission dates it to 1867. Submit an update