37.7561, −122.4293 A locator map appears here once a Mapbox token is configured.

3669 21st Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1900
  • Single-family house
  • 1 story
  • Zoned RH-1
  • District 8
  • Historic status: not a historical resource
37.7561, −122.4293 Street View appears here once a Google Maps embed key is configured.
1,071 sq ftBuilding area
6,926.22 sq ftLot area
4Rooms · 2 bed, 1 bath
  1. between 1946 and 1951

    The Office of the Assessor-Recorder photographed the property for tax assessment.

  2. May 1983

    Otc alterations permit.

    Complete Permit 8304816 $$$ $300
  3. Jun 1983

    Replace steps & platform, etc.

    Complete Permit 8305106 $$$ $1,800
  4. Dec 1983

    Replace front steps.

    Complete Permit 8313069 $$$ $1,500
  5. Aug 1990

    Demolish private garage.

    Expired Permit 9015733
  6. Apr 1992

    Demolish garage, complete work started under 9015733.

    Expired Permit 9205728 $$$ $1
  7. Sep 1996

    Reroofing.

    Expired Permit 9618080 $$$ $600
  8. Nov 1997

    Reroofing.

    Expired Permit 9722425 $$$ $400
  9. Dec 2018

    Temporary shoring for site stabilization.

    Issued Permit 201812198743 $$$ $50,000
  10. Apr 2019

    Renovation/replacement & expansion of an existing 2-story residence within the buildable area. the project also includes a new below grade garage with storage.

    Withdrawn Permit 201904228635 $$$ $2,950,000
  11. Dec 2020

    Demolish existing single family residence.

    Filed Permit 202012241711 $$$ $60,000
  12. Dec 2020

    Demolish 1-story single family residence.

    Issued Permit 202012261735 $$$ $60,000
  13. Dec 2020

    Erect 3-story single family resident.

    Issued Permit 202012281772 $$$ $1,947,900
  14. Mar 2022

    Asbestos removal per ess report 20211721-1 dated 11/30/2021. work includes removal of material containing abestos including: interrior wall based components, interior paster, exterior stucco, floor mastic, roofing, and foundation concrete.

    Issued Permit 202203180305 $$$ $37,000
  15. May 2023

    Revision to 2020122817721 s1 shorning design revisions.

    Issued Permit 202305117613 $$$ $1
  16. Mar 2024

    Install of overhead fire sprinkler system & 2" underground line. ref to building permit application 202012281772 s-3.

    Withdrawn Permit 202403198115 $$$ $35,246
  17. Aug 2024

    Revision to permit application 202012281772 s3 to document non-structural, bathroom layout changes at first floor.

    Issued Permit 202408229289 $$$ $1
  18. Dec 2024

    Revision 202012281772 and reference 202408229289-for sprinkler plan per updated building plans to be installed througout entire house per approved permit. underground work included.

    Issued Permit 202412166921 $$$ $34,137
  19. Mar 2026

    Revision to bpa#202012281772-s29addendum 2) add new in-ground hot tub.

    Reinstated Permit 202603268378 $$$ $15,000
  20. Aug 2026

    Solar permit: installing 46 solar pv modules, 420 watts per module, total no. of rating 19.32 kw. mounted: roof, ballasted: n, including 4 energy storage unit, of 240 vac, with 13.5 kwh each in capacity, ess units will not be closer than 3 feet | install 19.23kw pv an.

    Triage Permit S20260814715 $$$ $125,000

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

Not yet documented: the architect and builder and the early residents. Submit an update