3643 20th Street
Mission · San Francisco, CA 94110
Permit history
-
Nov 2025
Reroofing. no hotworks or torch down.
-
Feb 2022
Modify entrance stairs, roof deck at front, expand garage storage.
-
Jul 2019
Administrative permit to pay penalty fees on nov#201969421 that were not assessed on permit application 201903014147 - 2 x $20, 000 per sfbc106a.4.
-
Jul 2019
Revision to app#201803163818 including revision to main floor bathroom and closet layout and addition of construction details.
-
Mar 2019
Addition of living space to existing 9'-3" tall basement within building envelope. addition shall include new bedroom, 2 bathrooms, entertainment room and den. new stairs from main floor to basement.
-
Aug 2018
Remove existing wood windows and door at rear and replace with new aluminum-clad wood windows and door; change in window area not to exceed 81 square feet total. infill with wood siding in-kind as necessary. excavation for new stair and patio.
-
Jun 2018
Rev to permit application 201712217172; revised details for south wall foundation.
-
May 2018
Revision to permit application 201712217172 revised detail at west property line foundation.
-
Mar 2018
Interior remodel including remodel of existing bedrooms & kitchen remodel. addition of new loft space within building envelope.
-
Dec 2017
Foundation replacement & new slab on grade in crawl space. voluntary seismic upgrades.
-
Feb 1990
Foundation restoration.
4 nominal $1 street-space permits are omitted.
Not yet documented: the architect and builder and the early residents. Know any of it? Tell us — just describe it in plain words.