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2 building permits on record at this address. Filed in 2026.
unit 3: at existing mezzanine - infill floor opening, replace 2 skylights, add 2 new heat pumps.
unit #3: remodel (1) full bathroom, (1) half bathroom with no changes.
Property permit history pulled from San Francisco, California public records. Permits show what work was authorized at 3121 20th St and which contractor filed the application. Useful when you are buying a home, planning a renovation, or checking who pulled a permit at a property next door.