Know This Place

4160 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1904
  • 3-unit apartment building
  • 2 stories
  • Zoned RH-2
  • District 8
  • Historic status: historic resource
37.7579, −122.4339 Street View appears here once a Google Maps embed key is configured.
2,156 sq ftBuilding area
2,060 sq ftLot area
11Rooms · 5 bed, 3 bath

Permit history

  1. Dec 2025

    Underground water main for fire sprinkler system. ref permit application 2024-1119-5280 & 2022-0720-8951.

    Issued Permit 202512081188 $$$ $5,000
  2. Nov 2024

    New fire sprinkler system in basement for new adu partial. undergroup under separate permit. ref permit application 202207208951(s).

    Issued Permit 202411195280 $$$ $8,000
  3. Sep 2023

    Kitchen -2 circuits. 1 bath, 1 outlet, repaint bath kitchen, chnage flooring. no exterior work.

    Complete Permit 202309267443 $$$ $10,000
  4. Jul 2022

    To comply with nov# 202293305. partial conversion of existing basement level into 530 sq ft adu unit.

    Issued Permit 202207208951 $$$ $150,000
  5. Jun 2022

    Two kitchen and two bath remodel. all non structrual.

    Issued Permit 202206015372 $$$ $15,000
  6. Jun 2022

    Reroofing.

    Issued Permit 202206015373 $$$ $1,200
  7. Feb 2005

    Reroofing.

    Complete Permit 200502155506 $$$ $6,000
  8. Mar 2002

    To comply with housing inspetion division notices of violation issued on 2/02/2002/app 200224747.

    Complete Permit 200203050617 $$$ $3,000
  9. Dec 1983

    Repair dry rot.

    Complete Permit 8313023 $$$ $1,692
  10. Oct 1983

    Otc alterations permit.

    Complete Permit 8310311 $$$ $4,023
  11. Feb 1982

    Additions alterations or repairs.

    Complete Permit 8201010 $$$ $100

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