3647 20th Street
Mission · San Francisco, CA 94110
37.7582, −122.4223
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1,170 sq ftBuilding area
2,875 sq ftLot area
6Rooms · 1 bath
Assessed value · 2025 roll
Land $146,300
Improvements $78,122
Total assessed $224,422
At a glance
ConstructionWood frame
ParcelBlock 3608, Lot 066
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, the early residents and the date of the last recorded sale. Know any of it? Tell us — just describe it in plain words.