1427 21st Avenue
Inner Sunset · San Francisco, CA 94122
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between 1947 and 1951
The Office of the Assessor-Recorder photographed the property for tax assessment.
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Feb 1994
Add bathroom, re-sheetrock & insulate walls.
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Apr 1998
Remodel kitchen-rmve cabinets, plaster, sheetrock.
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Jun 2001
Install 10 vinyl windows in kind, into existing frames, no change in size or location, no structural.
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Feb 2010
Tear off old tar and gravel. reroofing apply #28lb fiberglass base with app160 app180 firestone torch down replace all air vents, flat roof.
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Dec 2019
Interior remodel 1st fl remodel garage space to have 2 bedrooms 2 full baths, laundry area. 2nd fl enclose lightwell, remodel litchen and bath, convert bedroom to family rm, add rear deck.
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Oct 2020
Revision to approved permit application 201912179735. on 1/f: delete replacement of existing footing and slab, delete new bath, relocate master bedroom and bath, change bedroom to study rm. on 2/f: add a skylight, delete new front window works. keep most interior walls, delete new rear deck work.
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Jun 2026
New rear deck with exterior stair and at garde sauna and replace 2 doors.
Not yet documented: the architect and builder and the early residents. Submit an update