Know This Place

3924 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1920
  • 4-unit apartment building
  • 2 stories
  • Zoned RH-2
  • District 8
  • Historic status: unevaluated
37.7583, −122.4287 Street View appears here once a Google Maps embed key is configured.
3,515 sq ftBuilding area
3,420 sq ftLot area
14Rooms · 5 bed, 4 bath

Permit history

  1. Sep 2025

    One unit: to remodel kitchen in kind.

    Complete Permit 202509185609 $$$ $25,000
  2. Apr 2016

    Repair of section of stairway.

    Complete Permit 201604275852 $$$ $7,000
  3. Jun 2014

    Rev. to 201206072097 - to re-build the front stair.

    Complete Permit 201406300133 $$$ $30,000
  4. Jun 2012

    Minor framing repair to outside staircase less than 50%.

    Issued Permit 201206072097 $$$ $1,000
  5. Jan 2006

    Revisin to cost. increase cost at work $4, 000.oo for app#200510266634.

    Issued Permit 200601101834 $$$ $4,000
  6. Oct 2005

    Repair side stairway, replace dry rot on lower landing standing stairs and supports (less than 50% being replacement).

    Complete Permit 200510266634 $$$ $6,000
  7. Aug 1989

    Install aluminum windows.

    Complete Permit 8915866 $$$ $6,100
  8. Mar 1988

    Install aluminum windows.

    Complete Permit 8803652 $$$ $2,205
  9. Nov 1987

    Repair perimeter base of wall.

    Expired Permit 8715879 $$$ $1,575
  10. Jan 1985

    Sheetrock 5-7 tile around bathtub.

    Complete Permit 8500736 $$$ $1,200

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.