4323 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1966
  • 12-unit apartment building
  • 4 stories
  • Zoned RH-3
  • District 8
  • Historic status: unevaluated
37.7574, −122.4362 Street View appears here once a Google Maps embed key is configured.
10,229 sq ftBuilding area
4,874 sq ftLot area
44Rooms · 12 baths

Permit history

  1. May 2026

    Reroofing: remove the existing roof and install modified bitumen with 2 layers of base. no hot works.

    Complete Permit 202605151358 $$$ $28,000
  2. Nov 2016

    Soft story retrofit per sfbc chapter 34b engineering criteria 2012 iebc appendix a-4. maher na.

    Complete Permit 201611092295 $$$ $110,000
  3. Oct 1998

    Replace windows and patio doors back of building.

    Expired Permit 9821786 $$$ $28,000
  4. Nov 1993

    Reroofing.

    Expired Permit 9319691 $$$ $3,300
  5. Jan 1984

    To comply wwith b.b 1 complaint #s21614.

    Expired Permit 8401028 $$$ $10,000

1 nominal $1 street-space permit is omitted.

Not yet documented: the architect and builder and the early residents. Know any of it? Tell us — just describe it in plain words.