3716–3720 20th Street

Mission · San Francisco, CA 94110

  • Built 1906
  • Two-flat
  • 4 stories
  • Zoned RH-3
  • District 8
  • Historic status: historic resource
37.7586, −122.4241 Street View appears here once a Google Maps embed key is configured.
6,816 sq ftBuilding area
2,850 sq ftLot area
19Rooms · 8 bed, 6 bath

Permit history

  1. Oct 2025

    Interior renovation. no veritcal or horizontal addition. preserving the front facade. replace vinyl windows on the front facade with wood windows. changes to fenestrations on other facades, not readily visible from public right of way. approx 12" partial expansion of ground floor garage into.

    Issued Permit 202509246036 $$$ $1,750,000
  2. Jan 2024

    Reroofing (rear lower roof).

    Complete Permit 202401234443 $$$ $6,800
  3. Oct 2023

    Reroofing.

    Suspended Permit 202310259472 $$$ $15,000
  4. Apr 2021

    No rough opening changrd u-factor for glazing shall not exceed0.30. new flooring & painting in-kind. replace 1 window and 1 door @ rear. kitchen remodel in-kind, painting, dry wall patch, fix dry rot siding 4 sq ft. no street facing. no structural work.

    Complete Permit 202104098213 $$$ $10,000
  5. Jan 2018

    Small bath - plaster and lathe removed., new: bathtub, vanity, touilet remaining, new plumb connections, new sheetrock & ceramic tile around bathtub, paint.

    Complete Permit 201801310065 $$$ $4,500
  6. Apr 2013

    Revision to app#201108041716.change from bedroom to a den.

    Complete Permit 201304305790 $$$ $1
  7. Jul 2012

    Revision to appl #2011.08.04.1716 - revise moment frame location, new foundation per plan.

    Complete Permit 201207094347 $$$ $7,000
  8. Aug 2011

    This project consists of interior alterations to an existing 4 story, 2 unit building. work also includes a new larger garage door. interior alterations include general improvements, a new interior stair connecting 1st fl to 2nd fl. new closets, & a bathroom remodel.

    Complete Permit 201108041716 $$$ $60,000
  9. Jun 1999

    Construct stairs from basement to second level.

    Expired Permit 9911121 $$$ $10,000
  10. Oct 1996

    Reroofing.

    Expired Permit 9619715 $$$ $6,800
  11. May 1992

    For final inspection only 9015006.

    Complete Permit 9207160 $$$ $1
  12. Jul 1990

    Permit to dismantle previous #8716023 not granted.

    Expired Permit 9015006 $$$ $10,000
  13. Nov 1987

    Addition of new apartment unit within the garage level.

    Cancelled Permit 8716023 $$$ $12,000
  14. Jan 1985

    Construct walls, plumbing, electrical.

    Expired Permit 8500294 $$$ $5,000
  15. Aug 1984

    Pour concrete slab in basement area approx. 16'x10'.

    Complete Permit 8408713 $$$ $900

1 nominal $1 street-space permit is 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.