3525–3529 20th Street

Mission · San Francisco, CA 94110

  • Built 1924
  • 12-unit apartment building
  • 3 stories
  • Zoned NC-3
  • District 9
  • Historic status: not a historical resource
37.7585, −122.4197 Street View appears here once a Google Maps embed key is configured.
8,661 sq ftBuilding area
3,184 sq ftLot area
25Rooms · 3 bed, 13 bath

Permit history

  1. May 2025

    Placement of evacation plans on each floor of building.

    Filed Permit 202505166693 $$$ $1
  2. Dec 2021

    One unit: remodel 1 kitchen and 1 bathroom in one unit: non structural.

    Complete Permit 202112094089 $$$ $72,000
  3. Jan 2020

    Add new security bar to new adu windows.

    Cancelled Permit 202001031189 $$$ $3,500
  4. Jul 2019

    Install 1 fire protection window gate at bd on unit a and 3 steel protection on windows (2) at unit a and (1) at unit b.

  5. May 2019

    Upgrade existing fa system to comply with sffc section 1103.7.6 and include sprinkler monitoring ref 201707038637, 201903135096.

    Complete Permit 201905019463 $$$ $17,000
  6. Mar 2019

    Installation of new fire sprinkler system in 2 legalized units 1st fl clouded area. new 2" fire service underground. ref permit application 201702038637.

    Complete Permit 201903135096 $$$ $8,500
  7. Mar 2019

    Meter fee - st space on 201702038637.

  8. Mar 2017

    Ada bathroom upgrade, two unisex bathrooms in commercial space. soft story retrofit per sfbc chapter 34b engineering criteria 2012 iebc appendix a-4 (commercial). soft story for residential under permit application 201607283620.

    Complete Permit 201703222076 $$$ $6,000
  9. Feb 2017

    #10 - rehabilitate kitchen, covert existing living room to bedroom, rehabilitate existing bathroom, install washer & dryer.

    Complete Permit 201702159449 $$$ $36,000
  10. Feb 2017

    Remodel 1st fl of existing 3-story building. remodel to include (2)new accessory dwelling units (one studio and one 1-br) from 4 garage spaces. each unit to have a kitchen & bath. soft story per 201607283620. ordinance 162-16.

    Issued Permit 201702038637 $$$ $275,000
  11. Jul 2016

    Soft story upgrade per 2012 iebc appendix a-4 (residential). commercial soft story under permit application 201703222076.

    Complete Permit 201607283620 $$$ $80,000
  12. Nov 2005

    Repair garage as ceiling joist as required, add 1 layer 5/8"type "x" gyp.bd. @ walls & ceiling for dry rot repair.

    Complete Permit 200511077557 $$$ $2,000
  13. Oct 2002

    Reroofing.

    Complete Permit 200210158901 $$$ $11,000
  14. Oct 2000

    Repair kitchen floor, damaged ceilings, floor covering.

    Complete Permit 200010274266 $$$ $300

3 nominal $1 street-space permits are omitted.

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