3643 20th Street

1. 1900

   Built.

2. Feb 1990

   Permit 9002304 $$$ $10,000

   Foundation restoration.

3. Dec 2017

   Permit 201712217172 $$$ $50,000

   Foundation replacement & new slab on grade in crawl space. voluntary seismic upgrades.

4. Mar 2018

   Permit 201803163818 $$$ $40,000

   Interior remodel including remodel of existing bedrooms & kitchen remodel. addition of new loft space within building envelope.

5. May 2018

   Permit 201805219650 $$$ $1

   Revision to permit application 201712217172 revised detail at west property line foundation.

6. Jun 2018

   Permit 201806040919 $$$ $1

   Rev to permit application 201712217172; revised details for south wall foundation.

7. Aug 2018

   Permit 201808278447 $$$ $40,000

   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.

8. Mar 2019

   Permit 201903014147 $$$ $45,000

   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.

9. Jul 2019

   Permit 201907014834 $$$ $1

   Revision to app#201803163818 including revision to main floor bathroom and closet layout and addition of construction details.

10. Jul 2019

    Permit 201907297259 $$$ $1

    Administrative permit to pay penalty fees on nov#201969421 that were not assessed on permit application 201903014147 - 2 x $20, 000 per sfbc106a.4.

11. Nov 2025

    Permit 202511179790 $$$ $25,000

    Reroofing. no hotworks or torch down.

4 nominal $1 street-space permits and 1 cancelled permit are omitted.