897 Clayton Street

1. November 15, 1956

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

   Assessor-Recorder Photographs (SFP 23), San Francisco Public Library
2. Sep 1986

   Repair dry rot on rear stair & deck & garage floor.

   Complete Permit 8611346 $$$ $5,000
3. Dec 2009

   Reroofing.

   Issued Permit 200912082870 $$$ $1,100
4. Dec 2009

   Administrative value correction on building permit application 2009.12.08.2870 to tear off old roofing layer, put plywood 0.5 inch, 30 lbs asphalt felt and 30 year shingle and installation of scaffolding.

   Issued Permit 200912113133 $$$ $21,400
5. Dec 2016

   Remodel kitchen, powder room, 3rd floor bathroom. 3rd floor-add bathroom and laundry. new furnace for 3rd and 4th floors. no change to existing building envelope. remodel 1st floor bath. infill rear stairs. replace one large window @ rear with 3 double hung windows with og lugs, remove chimney.

   Complete Permit 201612296210 $$$ $195,000
6. Sep 2017

   Streetspace.

   Issued Permit M834127
7. Nov 2025

   Excavation newfoundations, lower 1/f to increase ceiling height from 7'-0" to 9'-6". new 1/f partitioning incld family room, gym, bath, storage, mechanical room & inter stairs. convert 2/f rear window to door for newspiral stair access to yard. newfire wall @ north prop line. new rear yard retaining wall.

   Filed Permit 202511048835 $$$ $360,000

2 nominal $1 street-space or sidewalk permits are omitted from the timeline.