4112 21st Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1908
  • Single-family house
  • 1 story
  • Zoned RH-2
  • District 8
  • Historic status: not a historical resource
37.7561, −122.4371 Street View appears here once a Google Maps embed key is configured.
865 sq ftBuilding area
1,799 sq ftLot area
4Rooms · 2 bed, 1 bath

Permit history

  1. Apr 2025

    Administrative permit to document bathroom count of 5 as per permits 201705096079, 201909060951 and 202406043662.

    Complete Permit 202504164526 $$$ $1
  2. Jun 2024

    Add partition wall in kitchen. revision to permit 201705096079.

    Complete Permit 202406043642 $$$ $1,000
  3. Jun 2024

    To obtain final inspection for work approved under permit application 2017-0509-6079: 2019-0906-0951: 2021-1116-2469. all work is completed.

    Complete Permit 202406043662 $$$ $1
  4. Nov 2023

    Install a new sprinkler monitoring system per nfpa 72-2022 section 23.8.5.5.1. with 1 fire alarm fontrol one unit wireless commercial fire alarm communicators 1 smoke detector above the facu 1 manual pull station with reference sprinkler per nfpa 13 permit application 202302141946.

    Complete Permit 202311171030 $$$ $4,200
  5. Feb 2023

    Install new fire sprinklers througout building per nfpa 13r including 2" dedicated service. ref permit application 201705096079s1.

    Complete Permit 202302141946 $$$ $18,500
  6. Nov 2021

    Revision to shoring plan. revision to permits 201705096079 and 202109077884.

    Expired Permit 202111162469 $$$ $1
  7. Sep 2021

    Commencement of work not started under previously approved permit app#201909060951.

    Expired Permit 202109077884 $$$ $9,693
  8. Sep 2019

    Alter site: admin permit to permit application 201705096079, correct permit form slope of work: "remodel and addition to an existing single family residence from 1009 sq ft to 3475 sq ft" work includes new basement, new 3rd floor addition, remodel of all existing bath, bedroom and kitchen. basement height 27'-7".

    Expired Permit 201909060951 $$$ $1
  9. May 2017

    Remodel & addition to existing 1006 sq ft residence to 3443 sq ft. all bedrooms, bathrooms & kitchens are to be remodeled. bath increase 1 to 2.5 & bedroom increase from 2 to 5.

    Expired Permit 201705096079 $$$ $550,000
  10. Sep 2008

    Reroofing.

    Complete Permit 200809161761 $$$ $9,693

Not yet documented: the architect and builder and the early residents. Know any of it? Tell us — just describe it in plain words.