150 Post Street

1. May 1982

   Additions alterations or repairs.

   Complete Permit 8203483 $$$ $5,000
2. Oct 1985

   Partitions.

   Complete Permit 8511420 $$$ $125,000
3. Apr 1988

   Tenant improvement, bsmnt, ground, 2nd floor.

   Complete Permit 8805130 $$$ $650,000
4. Jul 1988

   Tenant improvement.

   Complete Permit 8810607 $$$ $400,000
5. Oct 1998

   Seismic upgrad umb.

   Expired Permit 9821899 $$$ $3,000,000
6. Jan 2000

   Site permit/scope tenant.

   Complete Permit 20000113918 $$$ $1,275,000
7. Jan 2000

   Tenant improvement-upgrade existing elevator cab & add additional stop at mezzanine level.

   Withdrawn Permit 20000122748 $$$ $150,000
8. Dec 2000

   Oti-1=me, ls, sp 5th fl only.

   Complete Permit 200012208356 $$$ $210,000
9. Jan 2002

   Corridor & restroom upgrade for fls e, r & e. restrms will be brought to full compliance. corridor w.

   Cancelled Permit 200201227400 $$$ $110,570
10. Oct 2002

    Lobby remodel-finishes, lighting, elevator lab finishes, sidewalk upgrade-entry slope.

    Expired Permit 200210229573 $$$ $291,000
11. Oct 2002

    Corridor & restrm upgrade on floors 3, 4 & 6; finishes & light at corridor, complete restrm upgrade.

    Complete Permit 200210229570 $$$ $110,570
12. Feb 2004

    #740- office t.i., electrical, mechanical. no structural work. no exterior work. fire sprinklers under.

    Complete Permit 200402126275 $$$ $190,000
13. Aug 2004

    Revision to approved seismic upgrade umb permit#9821899.

    Cancelled Permit 200408192044 $$$ $150,000
14. Dec 2004

    Tenant improvement on portion of suite 405 - non structural partitions under grid.

    Complete Permit 200412070820 $$$ $125,000
15. Jul 2005

    Interior remodel of existing retail space on basement, 1st & 2nd floors. partial slab infill on.

    Expired Permit 200507258551 $$$ $350,000
16. Aug 2005

    Replace boiler.

    Complete Permit 200508160363 $$$ $150,000
17. Aug 2006

    5th floor, suite 500 - demolition interior walls per plan - build new walls to create new offices reception area, break room, relocate lights on 5th floor.

    Complete Permit 200608220184 $$$ $125,000
18. Apr 2007

    Seismic upgrades at elevator walls, terra cotta wall stabilization. no architectural improvements.

    Complete Permit 200704249467 $$$ $175,000
19. Oct 2015

    Basement: replace hvac water chiller. installation of refrigerant monitor.

    Complete Permit 201510159833 $$$ $155,000
20. Dec 2015

    Interior t.i. of an existing retail store. add a convenience stair. all other work under separate permit. signage, fire protection, storefront, mep. under seperate permit.

    Complete Permit 201512185542 $$$ $3,000,000
21. Jul 2016

    Demolition non-structural 9e) walls. alteration and expansion of current suite 320 to suite 310 & 335. fire sprinklers and life safety device modification by design build. 20% ada compliance.

    Complete Permit 201607051591 $$$ $132,000
22. Mar 2018

    Demolition of a switchback communications stairs btwn 1st/2nd. infill 2nd floor opening slab and stair opening. modification of vacant space to include selective demolition and construction of non load bearing partitions.

    Complete Permit 201803083201 $$$ $150,000
23. Apr 2018

    Modification of existing tenant improvmens to include selective demolition and construction of non load bearing partitions, existing modification to gypsum board ceiling, new light fixtures, new switche, new office doors and frames, salvage and reuse of existing selected materials if practicable, millwork.

    Complete Permit 201804136315 $$$ $700,000
24. Feb 2020

    Suite 700; interior tenant improvement only, including new partitons, doors, flooring, ceilng and mep.

    Issued Permit 202002103999 $$$ $500,000
25. Jun 2024

    At gr floor: modification of existing tenant space to health spa. to include selective demolition, construction of non load bearing partitions. new office door, frames, millwork, new sinks, finishes. mep deferred.

    Filed Permit 202406124281 $$$ $210,000
26. August 2026

    Union Square Tower Slips to Lender as $73.6M in Debt Goes Unpaid — Hoodline

DBI holds 310 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 310. 4 of them are nominal $1 street-space or sidewalk permits.