505–527 Montgomery Street

1. Apr 1983

   New construction.

   Complete Permit 8303178S $$$ $39,860,000
2. Dec 1987

   New undeveloped floor, partitions, acoustical ceiling, hvac.

   Complete Permit 8717629 $$$ $2,700,000
3. Dec 1987

   Typical build-out for new undeveloped floor.

   Complete Permit 8717633 $$$ $1,300,000
4. Jan 1989

   1st time tenant improvement.

   Complete Permit 8900409 $$$ $1,200,000
5. Apr 1989

   Tenant improvement, 1st time, no change in occupancy.

   Complete Permit 8906685 $$$ $600,000
6. Sep 1990

   Tenant improvements floor 17, 18 & 19.

   Complete Permit 9018381 $$$ $1,980,000
7. Mar 1991

   Cti 1.

   Complete Permit 9105168 $$$ $582,000
8. Apr 2000

   Interior office alteration include addition of a stairway.

   Complete Permit 200004066607 $$$ $475,000
9. Sep 2000

   Oti-1 4th floor, el, me, ls, sp.

   Expired Permit 200009271680 $$$ $600,000
10. May 2001

    Oti-1 14th fl el, me, ls, sp.

    Complete Permit 200105159171 $$$ $600,000
11. May 2004

    Oti-1: 20th fl el, me, ls, sp.

    Complete Permit 200405042966 $$$ $750,000
12. Jun 2004

    Oti-2 20th floor el, me.

    Expired Permit 200406116176 $$$ $500,000
13. Apr 2006

    Oti-1, 8th floor, el, me, ls, sp.

    Complete Permit 200604138894 $$$ $560,000
14. Sep 2010

    Select demolition of walls and ceilings. new construction for tenant improvement of floor 4. partial build out on floor 14-20. new load bearings partitions, ceilings and finishes. fire sprinkler and life safety, emergency generator, evacuation signage under separate permits.

    Complete Permit 201009090492 $$$ $8,500,000
15. Sep 2016

    6/f, 8/f, 9/f- t.i. including minor demolition and new non-structural partitions, bathroom upgrades, new lighting & finishes and associated mechanical & electrical work. fire, life safety under seperate permit. n/a ordinance #155-13.

    Complete Permit 201609147675 $$$ $1,399,750
16. Jul 2017

    Ti of 2 partial floors (4 & 19). new non-load bearing partitions, hvac, redistribution, electrical, lighting, new finish and furnishing. mechanical, electrical, fire sprinkler and life safety as a separate permit.

    Complete Permit 201707313367 $$$ $500,000
17. Nov 2018

    Demolition of non-structual portition ceiling, floor finishes to warm shell condition. suite to remain unoccupied until tenant improvement permited to be filed ab-017. new lights. all work on 5th floor. spinklers separate permit for upright heads.

    Complete Permit 201811286832 $$$ $500,000
18. Feb 2019

    Unoccupied spec suite 500 ab-017" partitions with sidelites, non-structural partitions, electrical, millwork, finishes, light fixtures & accoustical ceiling ystem, elevator lobby finishes, seating, gyp.bd ceiling & light fixtures, new sinks, faucets, t0ilets, urinals, countertops, partitions, lights, mep.

    Complete Permit 201902213523 $$$ $731,753
19. Oct 2020

    Interior t.i. of restrooms at floors 14, 15, 16, 17, 18, 19, 20. work includes: demolition and construction of partitions, millwork, finishes, electrical and plumbing fixtures.

    Complete Permit 202010136360 $$$ $341,930
20. Nov 2020

    13/f: tenant improvement - construction includes non-structural partitions, millwork, and finishes. mep, f/a and sprinklers will be under separate permit.

    Complete Permit 202011138879 $$$ $1,132,800
21. May 2021

    Suite 550 t.i. install non structural gyp board office partitions with sidelite, door frames, hardware, electrical, millwork, finishes, light fixtures & acoustical ceiling system where indicated - mep deferred.

    Complete Permit 202105251023 $$$ $731,753
22. Jul 2021

    Demolition of existing non structural interior partitions, doors, frames, hardware. and contruction new interior partitions, doors, frames, hardwares, millwork, ceilings, lightings & finishes. ref to t.i. 2019 0221 3523.

    Complete Permit 202107013657 $$$ $533,000
23. Aug 2022

    7/f: t.i.: demolition of non-structural partitions and building new non-structural partitions.mep, fire l/s & f/s will be design buildn and submitted for permits separately.

    Complete Permit 202208180781 $$$ $848,172
24. Feb 2023

    Mep for bpa# 20220818-0781.

    Complete Permit 202302071511 $$$ $397,521

DBI holds 486 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 486. 11 of them are nominal $1 street-space or sidewalk permits.