4235–4237 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1900
  • Two-flat
  • 2 stories
  • Zoned RH-3
  • District 8
  • Historic status: unevaluated
37.7574, −122.4355 Street View appears here once a Google Maps embed key is configured.
2,745 sq ftBuilding area
2,748 sq ftLot area
10Rooms · 2 baths

Permit history

  1. May 2025

    Repair interior drywall and exterior siding due to water damage. work not visible from the street. all repairs in kind. approx 15 sq ft of sheet rock and 15 sq ft of siding.

    Complete Permit 202505196787 $$$ $3,500
  2. Feb 2020

    Removal of old existing roofing material, installation of new roof assembly.

    Complete Permit 202002245189 $$$ $17,931
  3. Apr 2008

    Change dwelling units from 1 to 2. revision to previous appl 200803318392.

    Complete Permit 200804159714 $$$ $1
  4. Mar 2008

    Repair dry rot at back stairs. repair/patch concrete back steps. approx 7 steps to be repair at the rear of building. approx 6 steps to be demolition & repoure leading to rear yard level. remove existing deck approx. 12'x12'.

    Complete Permit 200803318392 $$$ $3,000
  5. Jan 1994

    Permit inspection renewal #9208636.

    Complete Permit 9400584 $$$ $1
  6. Jan 1994

    Permit inspection renewal #9208636.

    Complete Permit 9400585 $$$ $1
  7. May 1993

    Balustrade to be const along roof of existinggarage.

    Expired Permit 9309009 $$$ $3,000
  8. May 1992

    Install foundations frame in new bath from existing lower room.

    Expired Permit 9208636 $$$ $65,000
  9. Apr 1992

    Remove plaster.from walls, ceiling in bath, kitchen, retile sho.

    Expired Permit 9205543 $$$ $20,000
  10. Mar 1992

    Remov rot balestr, replace.

    Expired Permit 9204508 $$$ $3,000
  11. Jan 1992

    Reroofing.

    Expired Permit 9201418 $$$ $10,000
  12. Jan 1992

    Demolish existing brick chimney.

    Complete Permit 9201170 $$$ $3,000

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.