3640 21st Street

1. 1900

   Built.

2. between 1946 and 1951

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

   Assessor-Recorder Photographs (SFP 23), San Francisco Public Library
3. Jul 1988

   Permit 8809327 $$$ $4,500

   Vertical addition.

4. Jul 2019

   Permit 201907186277 $$$ $100,000

   To erect a 3-story, one dwelling, one basement, type v-b single family building. sprinkler per nfpa 13r, sprinkler monitoring per nfpa 72 and solar all under separate permits.

5. Jul 2019

   Permit 201907186291 $$$ $25,000

   To demolish a 1 story single family home, no basement.

6. Jul 2019

   Permit 201907186292 $$$ $10,000

   To demolish a detached garage.

7. Jan 2022

   Permit 202201065464 $$$ $25,000

   Residential fire spirnkler system, 34 sprinklers per nfpa 13r. new 2in fire servce nfpa 24 -12lf curb to bottom riser. ref pa201907186277.

8. Jun 2022

   Issued Permit 202206025417 $$$ $28,000

   Fire sprinkler monitoring, electrical & security system. ref permit application 201907186277.

9. Dec 2022

   Permit 202212228977 $$$ $6,000

   Revision to permit 201907186277. installation of one new window on 3/f, change in exterior finish from stone to wood at small section of 3/f east facade.

10. Oct 2023

    Issued Permit 202310188963 $$$ $5,500

    Install new fire alarm for fire sprinkler monitoring system 1 pull, 1 smoke and tamper. ref permit application 201907186277.

11. Jun 2024

    Permit 202406285469 $$$ $1

    Revision to permit application 2019-0718-6277 change in bathroom layout no additional work. change from 2 bathroom to one bathroom.

1 expired permit is omitted.