1427 21st Avenue

1. 1929

   Built.

2. between 1947 and 1951

   The Office of the Assessor-Recorder photographed the property for tax assessment.

   Assessor-Recorder Photographs (SFP 23), San Francisco Public Library
3. Apr 1998

   Permit 9807390 $$$ $11,000

   Remodel kitchen-rmve cabinets, plaster, sheetrock.

4. Jun 2001

   Permit 200106010447 $$$ $3,572

   Install 10 vinyl windows in kind, into existing frames, no change in size or location, no structural.

5. Feb 2010

   Permit 201002126443 $$$ $11,800

   Tear off old tar and gravel. reroofing apply #28lb fiberglass base with app160 app180 firestone torch down replace all air vents, flat roof.

6. Dec 2019

   Permit 201912179735 $$$ $90,000

   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.

7. Oct 2020

   Permit 202010277534 $$$ $1

   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.

8. Jun 2026

   Filed Permit 202606243796 $$$ $52,000

   New rear deck with exterior stair and at garde sauna and replace 2 doors.

1 expired permit is omitted.