4000 21st Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1928
  • Single-family house
  • 1 story
  • Zoned RH-2
  • District 8
  • Historic status: not a historical resource
37.7562, −122.4358 Street View appears here once a Google Maps embed key is configured.
1,536 sq ftBuilding area
2,250 sq ftLot area
5Rooms · 2 bed, 2 bath

Permit history

  1. May 2025

    Create new exterior fire wall at existing residence. new fences 10' above existing grade at rear yard. new access and maintenance walkway at rear yard. this is a seperate permit from permit application 202406053765 and permit application 202202192659.

    Filed Permit 202505156530 $$$ $5,000
  2. Mar 2025

    Reroofing. to comply with nov 202535485. work performed in 12/2020.

    Complete Permit 202503273192 $$$ $13,800
  3. Sep 2024

    1-adu per state adu per government code section 65852.2; main residence under separate permit application 202209192659.

    Issued Permit 202406053764 $$$ $102,000
  4. Jul 2024

    Foundation sequence and temporary shoring for retaining wall as approved under permit application 202211176788.

    Complete Permit 202406033554 $$$ $1
  5. Nov 2022

    Rear yard: create new decks and walkways less than 3' above existing grade, with new stair connections between existing residence, walkways and existing yard/grade. replacement fence and access gate from public way to yard. replacement retaining wall in rear yard. relocate door facing yard. excavat 21.1 cubic yds.

    Issued Permit 202211176788 $$$ $30,000
  6. Sep 2022

    Vertical addition to existing single family home. convert existing storage space at 1st fl to living space. renovate existing street facing and rear facing facades.

    Issued Permit 202209192659 $$$ $495,000
  7. Apr 2009

    Remodel existing bathroom, move bathtub, toilet & vanity. add new bathroom in hall closet and part of hallway @ 2nd floor.

    Complete Permit 200904176498 $$$ $12,000
  8. Aug 1997

    Reroofing.

    Expired Permit 9716839 $$$ $7,500
  9. Apr 1993

    Repair dry rot at bay/electrical work/new bathroom fixtures.

    Complete Permit 9306578 $$$ $13,900
  10. Apr 1990

    Repair water damage at fascia & cornice trim.

    Complete Permit 9006518 $$$ $2,500

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.