Know This Place

4249–4251 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1906
  • 4-unit apartment building
  • 3 stories
  • Zoned RH-3
  • District 8
  • Historic status: unevaluated
37.7575, −122.4357 Street View appears here once a Google Maps embed key is configured.
4,296 sq ftBuilding area
2,748 sq ftLot area
15Rooms · 5 bed, 5 bath

Permit history

  1. May 2026

    Reroofing - no hot works.

    Issued Permit 202605292150 $$$ $20,500
  2. Nov 2016

    Replace some original and some replacement windows (15 on front and 15 on street side) with aluminum-clad wood dh windows with ogee lugs, same size, sam location/max u factor 0.32.

    Issued Permit 201611031816 $$$ $45,000
  3. Aug 2016

    Revision to pa 2016-0527-8667 - interior layout.

    Complete Permit 201608175281 $$$ $120,000
  4. May 2016

    In kind fire damage repairs with related code upgrades per plan, all floors.

    Complete Permit 201605278667 $$$ $200,000
  5. Sep 2006

    Remove 2 interior walls. bearing walls @ 2nd & 3rd. structural work @ 1st floor garage.

    Complete Permit 200609283598 $$$ $9,000
  6. May 1992

    Repairs per termite inspection report.

    Complete Permit 9208715 $$$ $8,000
  7. Jun 1987

    Add rear yard parking space, retaining wall, 1 hr protection.

    Complete Permit 8708988 $$$ $5,000
  8. Mar 1987

    Kitchen renovation, add window, insulation, sheetrock as necess.

    Complete Permit 8702807 $$$ $5,000
  9. Jul 1984

    Replace/repair wooden steps on one unit.

    Complete Permit 8407481 $$$ $1,300
  10. Sep 1983

    Additions alterations or repairs.

    Complete Permit 8309349 $$$ $1,000
  11. Jul 1983

    Convert two to floor apartments to single unit.

    Complete Permit 8306807 $$$ $18,000

7 nominal $1 street-space permits are omitted.

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