200 Green Street

1. 1920s

   Philo Farnsworth worked out the scientific advances behind electronic television here in the 1920s. The building is a designated city landmark of a commemorative kind — a plaque set into the sidewalk tells the story rather than the building itself being protected.

   1171 Sansome Street DEIR, SF Dept. of City Planning, 1983
2. 1923

   Built.

3. November 20, 1980

   The City Planning Commission initiated, 6-1, the designation of the building as a city landmark (Resolution 8771), a week after postponing its listing as a structure of merit as the Farnsworth Building.

   San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)
4. Jul 1982

   Permit 8206096 $$$ $45,000

   Building use: offices/commerci.

5. Nov 1989

   Permit 8923424 $$$ $10,000

   Reroofing.

6. Jan 1991

   Permit 9101180 $$$ $15,000

   Parapet work.

7. Sep 1995

   Permit 9515146 $$$ $40,000

   Cti 1 2nd floor none.

8. Jun 2002

   Issued Permit 200206179193 $$$ $89,600

   Oti-1 1/f el ls.

9. Jan 2013

   Permit 201301147916 $$$ $1,800

   Remove tile and carpet and repair conc. floor. install a track and 3 hanging doors for closet. install shelf in closet. comply with nov#20127828.

10. Jul 2015

    Withdrawn Permit 201507131334 $$$ $25,000

    Change use from industrial to office space. remove existing walls, build new with 6 meeting rooms.

11. Aug 2015

    Permit 201508174402 $$$ $1,000

    Comply with nov 201278281 - new curtain glass partition. no new conditioned space or fenestration or change to building envelope. no electrical, mechanical or plumbing work to be done.

12. Aug 2015

    Permit 201508265361 $$$ $900

    To comply with complaint #201278281. remove tile/carpet from floor. hung 3 sliding doors to cover a pipe. run cat 6 wiring. painted floors & walls; framing per plans permit application 201508174402.

13. Apr 2016

    Filed Permit 201604053955 $$$ $6,000

    Remove 11 operable windows, install exact same new window frames.

14. Nov 2016

    Issued Permit 201611293630 $$$ $6,000

    Change in use for 1st floor from manefacturing to office. barrier removal at front entry.

15. Jun 2017

    Permit 201706209842 $$$ $369,042

    Construction of non-structural partitions, doors, frames, hardware, millwork, drywall, ceiling and finishes.

16. Jul 2017

    Issued Permit 201707202459 $$$ $55,000

    New lighting off of existing panel. new power off of existing panel. ref app#201706209842.

17. Aug 2017

    Permit 201708215366 $$$ $83,000

    Furnish and install hvac system for remodeled offices including ducting, grilles and controls. ref app#201706209842.

18. Oct 2018

    Permit 201810112889 $$$ $14,765

    Add fire rated security door and replace stair door at 2nd fl. with fire rated door. accessibility upgrades.

19. Apr 2021

    Withdrawn Permit 202104057855 $$$ $16,000

    Addition of steel/wood formed catchment wall as extension into an existing concrete site retaining wall for protection from falling small rocks and misc debris.

20. Jun 2021

    Permit 202106243158 $$$ $48,000

    Interior work only, add interior non bearing partitoins on 1st fl and cleaned up finishes.

21. Jan 2022

    Issued Permit 202201286881 $$$ $1,500

    Revision to permit #202106243158. install new ada automatic door opener system at suite 200 main entrance.

22. Oct 2024

    Issued Permit 202410173209 $$$ $1

    To obtain final inspection for work approved under permit application: 2016-1129-3630 and 2022-0128-6881 all work is complete.

23. Mar 2025

    Permit 202503061700 $$$ $119,600

    Reroofing flat roof, modified bitumen, hot works.

DBI holds 25 permits for this parcel, most of them tenant improvements on individual floors. The timeline shows the 24 largest by stated cost, plus the earliest on file; the DBI query in the sources below returns all 25. 4 expired or cancelled permits are not shown.