3878–3880 21st Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1909
  • 3-unit apartment building
  • 2 stories
  • Zoned RH-2
  • District 8
  • Historic status: not a historical resource
37.7562, −122.4342 Street View appears here once a Google Maps embed key is configured.
3,315 sq ftBuilding area
2,650 sq ftLot area
12Rooms · 4 bed, 3 bath

Permit history

  1. Jul 2026

    To obtain final inspection for work approved under permit application 202503101889. all work is complete.

    Complete Permit 202607074596 $$$ $1
  2. Jul 2026

    To obtain final inspection for work approved under permit application 202503273143. all work is complete.

    Complete Permit 202607074597 $$$ $1
  3. Oct 2025

    New fence and gate for side yard entrance.

    Complete Permit 202510298365 $$$ $4,000
  4. Oct 2025

    Reconfigure 3rd fl. bathroom wall to relocate vanity reinstate permit # 2023-0872-4905.

    Complete Permit 202510167476 $$$ $2,000
  5. Oct 2025

    Reroofing: remove and replace roofing material / existing roofing material (in-kind).

    Complete Permit 202510107199 $$$ $14,220
  6. Aug 2025

    Revision to 202308224905- comply with nov 202540942 to include repair existing decks at rear. in kind not visible from street. less than 50%.

    Complete Permit 202508284147 $$$ $7,000
  7. Jun 2025

    As built for fire sprinkler work. ref fire sprinkler permit 202411195264, building permit 202503101889, original permit 201704043134.

    Filed Permit 202506239198 $$$ $1
  8. Mar 2025

    Replace existing windows front facade with clad windows raising sills to existing windows. replace rear windows.

    Expired Permit 202503273143 $$$ $25,000
  9. Mar 2025

    Relocation bathroom to laundry room. ref#: 201704043134.

    Issued Permit 202503101889 $$$ $1,000
  10. Nov 2024

    Install fire sprinkler for new adu per nfpa 13. 13 heads. new meter required. app 201704043134.

    Issued Permit 202411195264 $$$ $15,000
  11. Aug 2023

    2nd fl. kitchen remodel, 2 new bathrooms 3rd fl. kitchen remodel, 2 new bathrooms.

    Complete Permit 202308224905 $$$ $150,000
  12. Apr 2017

    Addition of one new dwelling unit at basement level per ordinance 162-16.

    Issued Permit 201704043134 $$$ $25,000
  13. Jul 2016

    Document current legal use and occupancy of subject one story building is a commercial office per permit application 8005432 change from market to office use, no work under this permit.

    Cancelled Permit 201607202873 $$$ $1
  14. Sep 2014

    Alteration of existing commercial office building - for conversion of occupancy to r-3 sfr. to replace 2012-08-30-8694s. change of use, new roof deck, add residential kitchen, baths, bedrooms.

    Issued Permit 201409196883 $$$ $500,000
  15. Aug 2012

    Convert 2 unit residential building to single family. 1 story rear yard addition with roof deck. provide new master bedroom and bath at 2nd floor. provide new kitchen at 1st fl. general remodel of top 2 floors. provide new habitable space at basement. 2 new fire rated windows at rear. remodel front fa.

    Withdrawn Permit 201208308688 $$$ $100,000
  16. Aug 2012

    Demlish one story office building.

    Withdrawn Permit 201208308693 $$$ $30,000
  17. Aug 2012

    Erect 3 storys of 1 single family, type 5 building.

    Withdrawn Permit 201208308694 $$$ $500,000
  18. Apr 2001

    Repair dry rot damaga deck posts & fence.

    Complete Permit 200104247560 $$$ $1,250
  19. Jul 1988

    Build 2 new walls to enclose basement area.

    Withdrawn Permit 8810051 $$$ $6,000

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.