523 Duboce Avenue

Castro (Eureka Valley) · San Francisco, CA 94117

  • Built 1976
  • 3-unit apartment building
  • 2 stories
  • Zoned RH-3
  • District 8
  • Historic status: historic resource
37.7690, −122.4319 Street View appears here once a Google Maps embed key is configured.
3,120 sq ftBuilding area
2,395 sq ftLot area
11Rooms · 4 baths

Permit history

  1. Mar 2006

    4th story addition to existing 3 story building. add fire sprinkler & alarm. level 1: exit door, new striping, rails, curbs, relocate wh. lever 3: new stair, remodel existingkitchen & bath.

    Cancelled Permit 200603025855 $$$ $185,000
  2. Jul 1996

    Reroofing.

    Expired Permit 9612462 $$$ $6,000

Assessed value · 2025 roll

Land $1,298,248 Improvements $614,955
Total assessed $1,913,203

At a glance

ConstructionWood frame
ParcelBlock 3538, Lot 095
Last saleSeptember 9, 2005
Historic statusCEQA A — historic resource

Duboce Triangle Historic District

California RegisterEligible (not listed)
National RegisterNot listed
Local landmark protectionNone
Period of significanceca 1870–ca 1920

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