4186–4190 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1908
  • 4-unit building with a ground-floor store
  • 2 stories
  • Zoned RH-3
  • District 8
  • Historic status: unevaluated
37.7578, −122.4343 Street View appears here once a Google Maps embed key is configured.
3,640 sq ftBuilding area
1,875 sq ftLot area
13Rooms · 4 baths

Permit history

  1. Feb 2026

    Change 2nd floor windows @ 4188 & 4190 20th street from casement aluminum windows to block vinyl window (block frame) made by milgard v250 style single hung in existing openings. street visible. 19 windows total, in existing openings.

    Issued Permit 202602065443 $$$ $7,681
  2. Dec 2024

    Reroofing only -torch-down. removal of existing rot to bare deck install mofified bitmen 3 membrane 28lb base sheet, smooth membrane, granulted cap sheet.

    Complete Permit 202412096404 $$$ $10,000
  3. Apr 2012

    Remove 1st of two existing 6 x 4 panel sign.

    Complete Permit 201204057622 $$$ $600
  4. Apr 2012

    Remove 2nd of two existing 6 x 4 panel sign.

    Complete Permit 201204057623 $$$ $600
  5. Oct 2004

    Correction of notice of violation #200453.

    Complete Permit 200410298077 $$$ $1,000

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