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. Jul 1982

   Building use: offices/commerci.

   Complete Permit 8206096 $$$ $45,000
4. Mar 1987

   Partitons for art studio, accounting dept. typography dept.

   Expired Permit 8702634 $$$ $20,000
5. Nov 1989

   Reroofing.

   Complete Permit 8923424 $$$ $10,000
6. Jan 1991

   Parapet work.

   Complete Permit 9101180 $$$ $15,000
7. Sep 1995

   Cti 1 2nd floor none.

   Complete Permit 9515146 $$$ $40,000
8. Aug 2000

   Fire alarm system installation.

   Expired Permit 200008087319 $$$ $8,000
9. Jun 2002

   Oti-1 1/f el ls.

   Issued Permit 200206179193 $$$ $89,600
10. Jan 2013

    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.

    Complete Permit 201301147916 $$$ $1,800
11. Jul 2015

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

    Withdrawn Permit 201507131334 $$$ $25,000
12. Aug 2015

    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.

    Complete Permit 201508174402 $$$ $1,000
13. Aug 2015

    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.

    Complete Permit 201508265361 $$$ $900
14. Nov 2015

    Comply with nov #201278281. change use to office, change lighting. remove existing walls, add new walls, alter hvac.

    Cancelled Permit 201511021457 $$$ $20,000
15. Apr 2016

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

    Filed Permit 201604053955 $$$ $6,000
16. Nov 2016

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

    Issued Permit 201611293630 $$$ $6,000
17. Jun 2017

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

    Complete Permit 201706209842 $$$ $369,042
18. Jul 2017

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

    Issued Permit 201707202459 $$$ $55,000
19. Aug 2017

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

    Complete Permit 201708215366 $$$ $83,000
20. Oct 2018

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

    Complete Permit 201810112889 $$$ $14,765
21. Apr 2021

    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.

    Withdrawn Permit 202104057855 $$$ $16,000
22. Jun 2021

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

    Complete Permit 202106243158 $$$ $48,000
23. Nov 2021

    Addition of 9 power outlets for new offices, abandon 6 wall power outlets, relocate 5 existing surface mount light fixtures, install new lighting controls for new offices.

    Cancelled Permit 202111182682 $$$ $6,000
24. Jan 2022

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

    Issued Permit 202201286881 $$$ $1,500
25. Oct 2024

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

    Issued Permit 202410173209 $$$ $1
26. Mar 2025

    Reroofing flat roof, modified bitumen, hot works.

    Complete Permit 202503061700 $$$ $119,600

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.