Know This Place

3990 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1907
  • Single-family house
  • 1 story
  • Zoned RH-1
  • District 8
  • Historic status: not a historical resource
37.7581, −122.4300 Street View appears here once a Google Maps embed key is configured.
1,341 sq ftBuilding area
2,848 sq ftLot area
5Rooms · 1 bath

Permit history

  1. May 2005

    All new concrete foundation & concrete slab floor - excavate for 8'-0" headroom at garage/utility.

    Cancelled Permit 200505031427 $$$ $210,000
  2. Jan 1997

    Reroofing.

    Complete Permit 9701675 $$$ $8,500

Assessed value · 2025 roll

Land $2,079,967 Improvements $891,414
Total assessed $2,971,381

At a glance

ConstructionWood frame
ParcelBlock 3600, Lot 025
Last saleMay 12, 2022
Historic statusCEQA C — not a historical resource

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