Know This Place

3415 21st Street

Mission · San Francisco, CA 94110

  • Built 1911
  • Single-family house
  • 2 stories
  • Zoned RM-2
  • District 8
  • Historic status: historic resource
37.7566, −122.4238 Street View appears here once a Google Maps embed key is configured.
2,230 sq ftBuilding area
1,904 sq ftLot area
6Rooms · 1 bath

Permit history

  1. Aug 2024

    Reroofing.

    Issued Permit 202408209072 $$$ $19,800
  2. Oct 2013

    Install new flexible ductwork in attic and crawl space. replace existing furnace with new.

    Issued Permit 201310240110 $$$ $9,000
  3. May 2012

    Remove existing fense & deck at rear of lot. create new curb cut & 1 off street parking space in rear setback. expand existing laundry porch with roof deck by 46 sq ft. remodel interior.

    Complete Permit 201205210922 $$$ $150,000

Assessed value · 2025 roll

Land $783,853 Improvements $318,235
Total assessed $1,102,088

At a glance

ConstructionWood frame
ParcelBlock 3618, Lot 066
Last saleJuly 17, 1998
Historic statusCEQA A — historic resource

Liberty Hill Historic District

California RegisterEligible (not listed)
National RegisterNot listed
Local landmark protectionArticle 10 historic district
Period of significance1860s–1906

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