4156–4158 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1900
  • 4-unit apartment building
  • 2 stories
  • Zoned RH-2
  • District 8
  • Historic status: unevaluated
37.7579, −122.4338 Street View appears here once a Google Maps embed key is configured.
2,750 sq ftBuilding area
2,060 sq ftLot area
12Rooms · 4 baths

Permit history

  1. Nov 2025

    To obtain final inspection for work approved under permit application 202405101871 and permit application 202404119800. all work is complete.

    Complete Permit 202511250458 $$$ $1
  2. Nov 2025

    Unit a: kitchen and bathroom remodel, no structual change, in kind, like for like replacement.

    Issued Permit 202511059010 $$$ $35,000
  3. May 2024

    Replace partial deteriorated foundation for approx 15 ln ft along the west side. reinforce existing footing for approx 35 ln ft along east side.

    Issued Permit 202405101871 $$$ $20,000
  4. Apr 2024

    Replace back and side on the rear windows. replace the siding on the back and rear sides. approx 1200 sq ft. 16 windows.

    Issued Permit 202404119800 $$$ $20,000
  5. Sep 2023

    One unit: convert storage to office space at basement. 4158b: new interior stair from first floor to basement. remove chimney. remodel downstair bath. one unit: remove chimney and provide electric fire place.

    Complete Permit 202309116288 $$$ $40,000
  6. Jun 2023

    (1) kitchen and (1) bathroom remodeling in kind. no structural work. no floor layout changes. no wall layout changes.

    Issued Permit 202306230782 $$$ $35,000
  7. Aug 2004

    Dry rot repair on stairway of building. rear of building, less than 50% of stair.

    Complete Permit 200408312964 $$$ $1,000
  8. Oct 1988

    Re - roofing.

    Complete Permit 8816396 $$$ $3,700

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