Know This Place

40–42 Sanchez Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1906
  • Two-flat
  • 2 stories
  • Zoned RH-3
  • District 8
  • Historic status: historic resource
37.7686, −122.4316 Street View appears here once a Google Maps embed key is configured.
3,092 sq ftBuilding area
3,249 sq ftLot area
11Rooms · 2 baths

Permit history

  1. Oct 2025

    Reroofing: tear-off, 24 sq ft. no hot works.

    Complete Permit 202510177631 $$$ $13,500
  2. Jul 2025

    Instllation of fire sprinklers ref#202502180538.

    Issued Permit 202507030120 $$$ $8,000
  3. Mar 2025

    Remodel of rear stair & construction of sun room, remodel of upper unit on 3rd floor & 4th floor, new deck @ 4th floor, infill of blind lightwell at north side. new dormers at south facing side.

    Issued Permit 202502180538 $$$ $220,000
  4. Jul 2024

    One unit interior remodel to include converting 709sf of unconditioned space into habitable space in garage. addition of new stairs from upper unit to new habitable space. addition of 2xbedrooms and 2xbathrooms at new lower unit. addition of new patio area.

    Issued Permit 202406033567 $$$ $238,000
  5. May 2007

    Reroofing.

    Complete Permit 200705100939 $$$ $38,745
  6. Jan 1990

    Remove broken plaster at walls (3 rooms).

    Complete Permit 9001401 $$$ $3,500

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.