4516 20th Street

1. May 1985

   Permit 8505577 $$$ $6,900

   Repair termite damage.

2. Nov 1991

   Permit 9122547 $$$ $3,500

   Foundation repair or replace s.g. corner approx. 22'.

3. Jan 2001

   Permit 200101169843 $$$ $450,000

   Erect a four story single family dwelling.

4. Jan 2001

   Permit 200101169832

   Demolish a three story single family dwelling.

5. November 8, 2001

   The property held an existing two-story over garage, single-family dwelling.

   San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)
6. Jan 2003

   Issued Permit 200301074681 $$$ $9,800

   Fire sprinkler system nfpa #13d - 35 hds voluntary system by owner 3 story wood over concrete basemt.

7. Apr 2003

   Permit 200304222830 $$$ $1

   Fire sprinkler installation revise plan submittal of 200301074681.

8. Jun 2003

   Issued Permit 200306278315 $$$ $1

   To substitute quick response sprinkler protection for 3/4 hr fixed rated assembly.

9. 2004

   Current structure built.

10. Apr 2004

    Permit 200404211838 $$$ $2,000

    Built canopy over deck inr ear yard.rev.to appl#200206219672.

11. Jan 2007

    Permit 200701161700 $$$ $21,000

    Installation of 14 roof mounted solar modules. no batteries <33% roof sq footage.

12. Jan 2024

    Permit 202401234466 $$$ $15,900

    Reroofing: remove and replace roofing material / existing roofing material (in-kind).

1 nominal $1 street-space permit and 3 expired or cancelled permits are omitted.