Know This Place

3983 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1925
  • Single-family house
  • 1 story
  • Zoned RH-1
  • District 8
  • Historic status: unevaluated
37.7578, −122.4298 Street View appears here once a Google Maps embed key is configured.
1,525 sq ftBuilding area
2,137.5 sq ftLot area
5Rooms · 2 bed, 2 bath

Permit history

  1. Dec 2025

    Solar permit: installing 15 solar pv modules, 410 watts per module, total no. of rating 6.15 kw. mounted: roof, ballasted: n, including 1 energy storage unit, of 240 vac, with 15 kwh each in capacity, ess units will not be closer than 3 feet |.

    Complete Permit S20251030281 $$$ $49,949
  2. Dec 2011

    Remodel of existing bathroom, new fixtures, tile flooring, shower/tub enclosure, new lighting fixtures & cabinets. all new lighting must comply with cec 150(k). 8.

    Issued Permit 201112281414 $$$ $17,000
  3. Jun 2009

    Repair beam @ rear sunroom; new lateral braces for lateral upgrade @ rear with post footing replacement.

    Complete Permit 200906089989 $$$ $4,000
  4. Nov 2007

    Replace garage slab in kind. no increase in height. minumum 3 /12" thick.

    Expired Permit 200711057318 $$$ $2,500
  5. Sep 2000

    Renewal of application 9925944 until work is done.

    Expired Permit 200009251507 $$$ $3,000
  6. Dec 1999

    Revision to app #9805541.

    Expired Permit 9925940 $$$ $500
  7. Dec 1999

    Renewal per app #9809541.

    Expired Permit 9925944 $$$ $10,000
  8. May 1998

    Finish 1st floor to create living space.

    Expired Permit 9809541 $$$ $35,000
  9. Sep 1995

    Install kitchen cabs, sink, light fixtures, range, hood, washer.

    Complete Permit 9514997 $$$ $7,000
  10. Dec 1993

    Replace plaster with sheetrk-insulation. skylite. lite fixtures.

    Complete Permit 9321709 $$$ $2,600

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