100 Potrero Avenue

1. not before 1910

   Photographed.

   San Francisco Subjects Photograph Collection (SFP 162), San Francisco Public Library
2. 1910

   Built as an industrial building, associated with Sloss & Brittain Hardward. Designed by Nathaniel Blaisdell.

   Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
3. May 1981

   Permit 8104716 $$$ $3,632,000

   Building use: show room.

4. Aug 1982

   Permit 8206458 $$$ $361,069

   Building use: light assembly.

5. Aug 1992

   Permit 9213502 $$$ $51,575

   Reroofing.

6. Jul 1995

   Permit 9510853 $$$ $140,000

   Cti i ground floor el.

7. Jun 2011

   Permit 201106107858 $$$ $100,000

   Tenant improvment on 2nd floor in a couple of rooms (420 sq ft) only. minor non structural demolition such as removal of existing walls, doors & framing and installation of new acoustical wall, doors, frame and hardware.

8. Nov 2015

   Permit 201511041665 $$$ $200,000

   Demolition of three existing elevators with selective demolition of shaft walls, elevator pit wall, & slab on grade. installation of three new machine-roomless elevators with new shaft concrete pit walls, & slab-on-grade. associated electrical work & structural rail supports. n/a maher ordinance.

9. Jun 2016

   Permit 201606139740 $$$ $8,408,400

   (maher ordinance - extended ordinance no.155-13 required) whole building renovation of an existing unoccupied building. work includes partial tenant improvement, full replacement of existing mechanical, electrical, plumb, life/safety & fire sprinkler system, side walk replacement, window replacement.

10. Sep 2016

    Issued Permit 201609016530 $$$ $30,000

    Phase 1 of a 2 phased project. division of new fa system to connect to new elevator system. the new fa system will be interconnected to the existing fa system for alarm and trouble ref 201511041665. phase 2 to be done in future maher n/a.

11. Sep 2018

    Permit 201809251370 $$$ $1,000,100

    Voluntary seismic upgrade. ** maher: n/a **.

12. Aug 2019

    Permit 201908148715 $$$ $1,009,750

    Non structural demolition, new non struct partitions, ceiling and lights, finishes, millwork, power data. no change in occupancy, use, area. mep, life safety, sprinklers sep permit.

13. Aug 2019

    Permit 201908158871 $$$ $40,000

    Ref permit application 201609016530; 12 smoke detectors, 22 duct detectors, weathe proof duct detector, 1 wall strobe, 5 ceiling strobes, 12 speaker ceiling strobes, 27 wall speaker strokes, 2 weather proof strobes to be added to dedicated elevator recall sys facu.

14. Aug 2019

    Permit 201908199110 $$$ $1,574,436

    2nd fl - non struct demolition, new non-structural partitions, ceiling, lights, electrical, millwork finishes. no change in occupancy, use or area. mep, life safety & sprinklers under a separate permit.

15. Aug 2019

    Permit 201908199109 $$$ $1,267,080

    3rd fl - non struct demolition, new non-structural partitions, ceiling, lights, electrical, millwork finishes. no change in occupancy, use or area. mep, life safety & sprinklers under a separate permit.

16. Aug 2019

    Permit 201908269778 $$$ $969,253

    Non-structural demolition. new non-structural partitions, ceiling and lights, electrical, millwork and finishes. no change in occupancy, use or area. mep, sprinklerand life safety under separate permit.

17. Sep 2019

    Permit 201909262810 $$$ $75,000

    Ref permit application 201908199110; 2nd fl. ductwork, reheat piping, reheat vavs and cooling only vavs.

18. Oct 2019

    Permit 201910013155 $$$ $75,000

    Ref: 2019-0819-9109: 3rd floor-mep to support arch permit. install ductwork. reheat piping, and new reheat vavs.

19. Oct 2019

    Permit 201910013171 $$$ $75,000

    1st floor mep permit to support 201908148715, 201908269778. install ductwork, reheat piping, reheat vavs and new woling only vavs.

20. Oct 2019

    Permit 201910255578 $$$ $28,000

    Relocate 15 and add 59 new sprinklers in area of remodel.

21. Oct 2021

    Permit 202110291433 $$$ $140,000

    Installation of (46) free standing phone booth furniture units, work includes fire sprinklers (deferred) and life safety devices (deferred) work to be performed in spaces constructed under the following app # 2019-0826-9778, 2019-0819-9110, 2019-0819-9109.

22. Feb 2022

    Permit 202202238506 $$$ $15,000

    Fire alarm: this is an addition to an existing fire alarm system. 46 ceiling speaker strobes to be added to provide coverage for phone booths. arch pa ref # 202110291433.

23. Jan 2025

    Permit 202501228830 $$$ $1,268,881

    1/f & mezzanine: selective demolition of interior non-structural partitions, doors, millwork & finishes. construction of interior non-structural partitions, floor, wall & ceiling finishes. construction of suspended acoustical grid ceilings. mechanical & electrical included.

DBI holds 58 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 58. 7 of them are nominal $1 street-space or sidewalk permits. 3 expired or cancelled permits are not shown.