Know This Place

3666–3670 20th Street

Mission · San Francisco, CA 94110

  • Built 1907
  • 5-unit apartment building
  • 3 stories
  • Zoned RH-3
  • District 9
  • Historic status: not a historical resource
37.7587, −122.4228 Street View appears here once a Google Maps embed key is configured.
4,290 sq ftBuilding area
2,850 sq ftLot area
18Rooms · 5 baths

Permit history

  1. Nov 2019

    Rev to permit application 201709148298; add new concrete footing in the basement level soft story retrofit per sfbc chapter 4d.

    Complete Permit 201911046386 $$$ $5,000
  2. Sep 2017

    Soft story retrofit per sfebc chapter 4d, 2016 cebc appendix a-4.

    Complete Permit 201709148298 $$$ $70,000
  3. Dec 2014

    Reroofing.

    Issued Permit 201412194145 $$$ $5,000
  4. Dec 2013

    Street spce.

    Issued Permit M447947 $$$ $1
  5. Apr 2008

    Work @ one unit only. remodel existing kitchen & bath. no structural changes. new exhaust fan in bath. termination 3' min from p.l. & openings.

    Complete Permit 200804210267 $$$ $25,000
  6. Jan 2003

    Repalce section of existing foundation.

    Issued Permit 200301084790 $$$ $18,500
  7. Jul 1999

    Reroofing.

    Expired Permit 9913905 $$$ $4,790
  8. Sep 1996

    Repair rear exterior stairs, install 1 hr. fire wall b/stair.

    Complete Permit 9618107 $$$ $6,500
  9. Dec 1991

    Take out plaster & hallway in one unit.

    Expired Permit 9123154 $$$ $1,200

4 nominal $1 street-space permits are omitted.

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