3878–3880 21st Street
Castro (Eureka Valley) · San Francisco, CA 94114
Permit history
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Jul 2026
To obtain final inspection for work approved under permit application 202503101889. all work is complete.
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Jul 2026
To obtain final inspection for work approved under permit application 202503273143. all work is complete.
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Oct 2025
New fence and gate for side yard entrance.
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Oct 2025
Reconfigure 3rd fl. bathroom wall to relocate vanity reinstate permit # 2023-0872-4905.
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Oct 2025
Reroofing: remove and replace roofing material / existing roofing material (in-kind).
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Aug 2025
Revision to 202308224905- comply with nov 202540942 to include repair existing decks at rear. in kind not visible from street. less than 50%.
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Jun 2025
As built for fire sprinkler work. ref fire sprinkler permit 202411195264, building permit 202503101889, original permit 201704043134.
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Mar 2025
Replace existing windows front facade with clad windows raising sills to existing windows. replace rear windows.
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Mar 2025
Relocation bathroom to laundry room. ref#: 201704043134.
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Nov 2024
Install fire sprinkler for new adu per nfpa 13. 13 heads. new meter required. app 201704043134.
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Aug 2023
2nd fl. kitchen remodel, 2 new bathrooms 3rd fl. kitchen remodel, 2 new bathrooms.
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Apr 2017
Addition of one new dwelling unit at basement level per ordinance 162-16.
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Jul 2016
Document current legal use and occupancy of subject one story building is a commercial office per permit application 8005432 change from market to office use, no work under this permit.
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Sep 2014
Alteration of existing commercial office building - for conversion of occupancy to r-3 sfr. to replace 2012-08-30-8694s. change of use, new roof deck, add residential kitchen, baths, bedrooms.
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Aug 2012
Convert 2 unit residential building to single family. 1 story rear yard addition with roof deck. provide new master bedroom and bath at 2nd floor. provide new kitchen at 1st fl. general remodel of top 2 floors. provide new habitable space at basement. 2 new fire rated windows at rear. remodel front fa.
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Aug 2012
Demlish one story office building.
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Aug 2012
Erect 3 storys of 1 single family, type 5 building.
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Apr 2001
Repair dry rot damaga deck posts & fence.
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Jul 1988
Build 2 new walls to enclose basement area.
1 nominal $1 street-space permit is omitted.
Not yet documented: the architect and builder and the early residents. Know any of it? Tell us — just describe it in plain words.