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37.7796, −122.4797 A locator map appears here once a Mapbox token is configured.

435 20th Avenue

Outer Richmond · San Francisco, CA 94121

  • Built 1970
  • 4-unit apartment building
  • 2 stories
  • Zoned RM-1
  • District 1
  • Historic status: unevaluated
37.7796, −122.4797 Street View appears here once a Google Maps embed key is configured.
4,070 sq ftBuilding area
2,996 sq ftLot area
18Rooms · 5 baths
  1. 1940s–present

    Russian music lessons were given at this address.

    Nina Bogdan, Russian American Historic Context Statement, San Francisco Planning Department, adopted by the Historic Preservation Commission October 15, 2025
  2. Jul 2015

    8 front windows retrofit wood replacement inkind replacement; 13 retrofit vinyl with wood with ogee lugs; replace rear non-vis. windows with vinyl windows; no bbns or open pc code enforcement; no size change/same location. u-factor < 0.32.

    Issued Permit 201507020574 $$$ $19,550
  3. Jul 2015

    Rev. to 201507020574 - increase valution only; no additional work.

    Issued Permit 201507171833 $$$ $14,774

1 nominal $1 street-space or sidewalk permit is omitted from the timeline.

Not yet documented: the architect and builder, the early residents and the date of the last recorded sale. Submit an update