Know This Place

3965 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1915
  • Single-family house
  • 3 stories
  • Zoned RH-1
  • District 8
  • Historic status: unevaluated
37.7578, −122.4294 Street View appears here once a Google Maps embed key is configured.
2,526 sq ftBuilding area
2,848 sq ftLot area
9Rooms · 4 bed, 3 bath

Permit history

  1. Sep 2025

    Reroofing: remove and replace roofing material / existing roofing material (in-kind).

    Complete Permit 202509084833 $$$ $19,554
  2. Jan 2021

    Remove & replace hardwood flooring. remove & replace kitchen cabinets and finishes in kind. repalce bathroom cabinets & finishes in kind. fixture to remain in locations. remove and replace rear sliding door in kind. no chane to opening. not visible from st.

    Complete Permit 202101082318 $$$ $175,000
  3. Jul 2018

    Repair existing deck, repair dry rott less than 50% in the rear. replace in-kind.

    Complete Permit 201807235193 $$$ $12,500
  4. Jun 2001

    Revision to app #200003083801 to delete a stair.

    Complete Permit 200106282546 $$$ $100
  5. Dec 2000

    Minor modifictions to permit #200003083801 inc reviised master bath, bath 2, kitchen, bedrm/study@ 1.

    Complete Permit 200012288809 $$$ $1,500
  6. Jun 2000

    Dry rot repair at ground floor.

    Complete Permit 200006283935 $$$ $9,500
  7. Mar 2000

    Horizontal addition.

    Complete Permit 200003083801 $$$ $100,000

1 nominal $1 street-space permit is omitted.

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