Know This Place

3977 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1928
  • Single-family house
  • 1 story
  • Zoned RH-1
  • District 8
  • Historic status: unevaluated
37.7577, −122.4297 Street View appears here once a Google Maps embed key is configured.
2,511 sq ftBuilding area
2,850 sq ftLot area
7Rooms · 3 bed, 2 bath

Permit history

  1. Jun 2025

    To obtain final inspection for work approved under pa202203079387. all work is complete.

    Complete Permit 202506098271 $$$ $1
  2. Aug 2024

    To obtain final inspection for work approved under permit application: 202206307542, 202207229183 and 202207299593 all work is complete.

    Complete Permit 202408128467 $$$ $1
  3. Nov 2022

    Construction revision to previously approved permit application 202207229183 to clarify shearwall nailing schedules. no change to interior layouts or exterior/occupancy.

    Complete Permit 202211237176 $$$ $1
  4. Jul 2022

    Revision to 202207229183 and 202211237176 to reduce scope of seismic upgrade work prior to final framing inspection before sheetrock coverup. no change to existing layouts nor exterior or occupancy.

    Expired Permit 202207299593 $$$ $1
  5. Jul 2022

    Revision to bpa#202206307542 to add gradebeam work with new plywood wall nailing schedule & add 25' reinforced concrete foundation. no change toccupancy/exterior conditions, interior work only.

    Expired Permit 202207229183 $$$ $16,000
  6. Jun 2022

    Remodel of existing 2 story, single family dwelling. interior remodel with voluntary seismic upgrade to include widening garage at front and infill existing lightwell. no changes to existing building nor occupancy.

    Expired Permit 202206307542 $$$ $62,000
  7. May 2022

    No change to existing building envelope. remode existing 2 story wood frame sfd. expansion of existing garage with existing building envelope. interior remodel icluding removal/replace/relocation of misc. interior partitions & expansion of door openings. expansion of existing bathroom on ground floor.

    Withdrawn Permit 202205194621 $$$ $62,000
  8. Mar 2022

    Interior remodel of an existing 2 story wood frame sfr including: removal / replacement/relocation of miscellaneous fixtures, faucets and appliances in (2) bathrooms and (1) kitchen. relocation of miscellaneous interior door and wall openings.

    Expired Permit 202203079387 $$$ $21,500
  9. Apr 2010

    Repair and replace existing foundation, and install 39' of new foundation at rear portion of the building.

    Complete Permit 201004069682 $$$ $15,500
  10. Jun 2002

    Install french drain tied into catch basin and sump pumped into sewer system.

    Complete Permit 200206078466 $$$ $6,000
  11. Jan 1995

    Sill plate bolting, expansion bolts spaced, plywood.

    Complete Permit 9500446 $$$ $1,400
  12. Jul 1993

    Reroofing.

    Expired Permit 9311864 $$$ $3,900
  13. Apr 1990

    Install wood rail on deck and fill in to 6" space.

    Cancelled Permit 9007807 $$$ $600
  14. Jan 1989

    Horizontal addition.

    Complete Permit 8900964 $$$ $6,000
  15. Oct 1988

    Remove oll kitchen cabinets.

    Complete Permit 8816342 $$$ $10,000
  16. Mar 1985

    Dry rot repair.

    Complete Permit 8502671 $$$ $1,443

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