Know This Place

3935 18th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1906
  • Single-family house
  • 2 stories
  • Zoned RH-3
  • District 8
  • Historic status: unevaluated
37.7609, −122.4314 Street View appears here once a Google Maps embed key is configured.
1,775 sq ftBuilding area
2,848 sq ftLot area
9Rooms · 4 bed, 3 bath

Permit history

  1. Jun 2026

    Minor struct. remodel of a sfr including int'r stair removal, 30 sq ft. infill at the 2nd fl., relocate 2nd floor bathroom, inst. 3 new windows & 1 new exterior door, const. new exterior wood deck and stairs at rear with 1-hour fire resistance rated, pl wall, r/r portion of flat, comp. shingle roof.

    Filed Permit 202606042511 $$$ $32,000
  2. Oct 2023

    Front facade improvement project to replace all windows, & exterior finishes. no structural. no m.e.p. or interior scope. exterior facade only. u=.30max.

    Complete Permit 202310188925 $$$ $8,000
  3. Mar 2019

    Construct(adu) with 1 bedroom and 1 bath at the ground floor of the owner's home at 3935 18th st per ord# 162-16.

    Complete Permit 201903195643 $$$ $64,880
  4. May 2015

    New steel beam at garage. relocate kitchen, open wall between living room and hallway.

    Complete Permit 201505186619 $$$ $30,000
  5. Oct 2011

    Install 1 vinyl window in kind into existing frames. no change in size or location. window does not face the street. if applicable, bedroom window will comply with section cbc1026 for rescue. all windows will be double pane and have a u-factor of.30.

    Issued Permit 201110317907 $$$ $540
  6. Oct 2003

    Lower curb for driveway.

    Expired Permit 200310238405 $$$ $790
  7. Sep 2003

    Side walk repair.

    Issued Permit M24803

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.