100 Potrero Avenue

1. 1910

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

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

   Building use: show room.

   Complete Permit 8104716 $$$ $3,632,000
3. Aug 1982

   Building use: light assembly.

   Complete Permit 8206458 $$$ $361,069
4. Dec 1984

   Interior non-bearing partitions.

   Expired Permit 8413486 $$$ $1,400,000
5. Oct 1990

   Provide a connection between existing building.

   Expired Permit 9022149 $$$ $65,000
6. Aug 1992

   Reroofing.

   Complete Permit 9213502 $$$ $51,575
7. Jul 1995

   Cti i ground floor el.

   Complete Permit 9510853 $$$ $140,000
8. Jun 2011

   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.

   Complete Permit 201106107858 $$$ $100,000
9. Nov 2015

   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.

   Complete Permit 201511041665 $$$ $200,000
10. Jun 2016

    (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.

    Complete Permit 201606139740 $$$ $8,408,400
11. Sep 2016

    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.

    Issued Permit 201609016530 $$$ $30,000
12. Sep 2018

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

    Complete Permit 201809251370 $$$ $1,000,100
13. Nov 2018

    Emergency responder radio coverage system that meets state and local codes and requirements ref 201810011864.

    Cancelled Permit 201811286861 $$$ $55,000
14. Aug 2019

    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.

    Complete Permit 201908148715 $$$ $1,009,750
15. Aug 2019

    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.

    Complete Permit 201908158871 $$$ $40,000
16. Aug 2019

    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.

    Complete Permit 201908199110 $$$ $1,574,436
17. Aug 2019

    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.

    Complete Permit 201908199109 $$$ $1,267,080
18. Aug 2019

    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.

    Complete Permit 201908269778 $$$ $969,253
19. Sep 2019

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

    Complete Permit 201909262810 $$$ $75,000
20. Oct 2019

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

    Complete Permit 201910013155 $$$ $75,000
21. Oct 2019

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

    Complete Permit 201910013171 $$$ $75,000
22. Oct 2019

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

    Complete Permit 201910255578 $$$ $28,000
23. Oct 2021

    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.

    Complete Permit 202110291433 $$$ $140,000
24. Feb 2022

    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.

    Complete Permit 202202238506 $$$ $15,000
25. Jan 2025

    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.

    Complete Permit 202501228830 $$$ $1,268,881

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.