Know This Place

3743 20th Street

Mission · San Francisco, CA 94110

  • Built 1900
  • Two-flat
  • 2 stories
  • Zoned RH-2
  • District 8
  • Historic status: historic resource
37.7581, −122.4244 Street View appears here once a Google Maps embed key is configured.
1,660 sq ftBuilding area
2,850 sq ftLot area
7Rooms · 1 bath

Permit history

  1. Nov 2025

    Unit b upper: paint existing kitchen cabs, replace countertops, new undermount sink. paint bathroom, replace existing surface light fixtures in bathr.. refinish floors, paint remainder of unit. all work in-kind, no structural work.

    Complete Permit 202511129468 $$$ $3,500
  2. Mar 2022

    Revision to permit application 202010166671 additional 6" height to 4ft initially proposed planter/retaining wall; providing engineering dwgs & calcs.

    Cancelled Permit 202203079371 $$$ $7,500
  3. Oct 2020

    Replace the deteriorating outdoor retaining wall around the planters (planter box).

    Issued Permit 202010166671 $$$ $7,500
  4. May 2018

    Streetspace.

    Issued Permit M920427
  5. Sep 2013

    Remove the existing slate roofing system and install a new slate roof including new underlayment per scope of letter to sq ft planning date 9/25/13.

    Filed Permit 201309257750
  6. Jan 1992

    Termite & dry rot damage repairs.

    Complete Permit 9200020 $$$ $11,790
  7. Jan 1989

    Correct address per appli #8818487.

    Complete Permit 8900275 $$$ $1

2 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.