222–238 Sansome Street

1. 1897

   Nathaniel Blaisdell took offices here.

   Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021
2. 1987

   Built.

3. Jan 1992

   Install one halon fire suppression system.

   Complete Permit 9200182 $$$ $6,300
4. Feb 2000

   Cut out restaurant dining rms/reconfigurate etc.

   Complete Permit 9926001 $$$ $440,000
5. Nov 2011

   Renovation of lobby, front desk & grand area-expand restaurant & bar, pantry of main lobby, remove existing bar, clubroom & gift shop-2nd. level-remove existing restaurant & convert to meeting space.

   Issued Permit 201111078433 $$$ $3,037,673
6. Nov 2011

   Guestroom remodeling levels 38-48; mostly cosmetic. extent of construction work is limited to relocation of some minor non-bearing walls, upgrade 5% of total guestrooms to accessible units. deletion/relocation of electrical outlets.

   Complete Permit 201111098562 $$$ $1,900,000
7. Mar 2012

   Relocate fitness & hotel offices from level 4 to level 3. add spa area on level 3 - elevator lobbies, women restroom & common hallway. note: building fully sprinklered. m.e.p. under separate permit.

   Complete Permit 201203287008 $$$ $1,000,000
8. Sep 2014

   Tenant improvement on the 23rd fl to construct new partitions, doors, ceiling millwork, finishes and mep. life safety/sprinklers on separate permit. maher not required.

   Complete Permit 201409237002 $$$ $1,200,000
9. Sep 2014

   Tenant improvement on the 24th fl to construct new partitions, doors, ceilings, millwork, finishes and mep. life safety/sprinklers on separate permit. maher not required.

   Complete Permit 201409237004 $$$ $600,000
10. Feb 2016

    Interior renovation at restaurant and bar on level1, includes mep -sprinklers fire alarm sep. permitm c new occupoant load-n/c maher ordinance no133.13.

    Issued Permit 201602189863 $$$ $850,000
11. Mar 2017

    Interior renovation @ hotel lobby, stair, elevator lobby. includes m.e.p. fire alarm separate permit. ** maher: n/a **.

    Issued Permit 201703091093 $$$ $624,825
12. Jan 2018

    Ti at basement addition of bicycle storage room and 4th floor fitness center with shower and locker rooms for tenant use.

    Complete Permit 201801310073 $$$ $1,100,000
13. Jul 2018

    Lobby refresh: scope to include new ceilings, new elevator lobbies ceiling and at elevator cabs, new floor at pel and plaza and arcade lighting. maher n/a.

    Complete Permit 201807245441 $$$ $1,100,000
14. Mar 2019

    Commercial amentities space on the 1st fl. demolition of non-structural partitions, casework, lighting, doors & finishes, construction includes non-structural partitions glazing, millwork lighting finishes, work includes mechanincal electrical, and minor structural.

    Complete Permit 201903256119 $$$ $549,739
15. Jun 2019

    18th floor commercial ti - demolition non struct paritions, ceiling, lighting, finishes & millwork. construct - non struct partitions, glazing, ceiling, lighting, millwork finishes and plumbing maher na.

    Complete Permit 201906102935 $$$ $550,000
16. Jul 2019

    38th-48th floors. renovation of guestrooms and corridors including new finishes, plumbing fixtures and flooring.

    Complete Permit 201907186324 $$$ $2,900,000
17. May 2022

    Suite 1600: t.i.: demolition of existing t.i. and demising floor into 2 small suites. renovation of suite including new partitions, suspended, ceiling lighting, electrical & plumbing. maher n/a.

    Complete Permit 202205033495 $$$ $1,300,000
18. Aug 2022

    Suite 1650: tenant improvement to include selective demolition and construction of non load bearing partitoins. ceiling grid and tile, new light fixtures, new office doors, frams. salvage and r euse e selected materials if practicable. new millwork, new finishes, assoc mechanical, ele, plumb.

    Complete Permit 202208039792 $$$ $578,370
19. Jul 2023

    12/f-suite 1260: selective demolition and construction of non load bearing partitions to ceiling grid. relocate and new light fixtures. new office doors. frames, millwork, finishes.

    Complete Permit 202307142258 $$$ $498,500
20. Dec 2023

    31/f: demolition of no structural partitions, ceilings, finhses & hardware. new interior non structural partitions & glazing, new doors, lighting & ceilings. new 36 vav boxes 1-new heat pump, 2-new fsds in lobby, new power lighting, new plumbing.

    Issued Permit 202312132454 $$$ $3,000,000
21. Mar 2024

    28th fl, ste 2875 project involves modification of existing ti to include selective demolition & construction of non-load bearing partitions, existing modifications to ceiling grid & tile, new light fixtures, new office doors, frmaes, salvage & reuse of existing selectied materials if practiceable, millwork and new.

    Complete Permit 202403157957 $$$ $593,000
22. Feb 2025

    24th floor/suite 2400: existing t.i.: demolition and construction of non-loading bearing partitions; new partitions new ceiling title and grid system; open ceiling condition, led light fixtures and switches, power and signal; new doors/frames/hardware, millwork and finishes. include mep. all other required.

    Complete Permit 202502261111 $$$ $891,675
23. Aug 2025

    32nd floor. demolition non-structural partitions, ceilings, finishes & hardware. interior t.i. non structural partitions and glazing, new doors and hardware. mechanical, electrical and plumbing. restroom renovations.

    Complete Permit 202508273995 $$$ $961,000
24. Nov 2025

    Recommencement and completion of work approved under permit application: 202103086103, 202009234825, and 202305228281.

    Issued Permit 202511200102 $$$ $430,000
25. Nov 2025

    25th fl: interior ti- conference room, pantry & restrooms. demolition of non structural partitions, ceilings, finishes. new non structural partitions & glazing new doors & hardware, lighting and ceilings.new mep.

    Issued Permit 202511250421 $$$ $1,298,024
26. Jun 2026

    10/fl- interior ti construction of non structrual partitions doors, light fixtuers, millwork and finishes. includes structural anchorage of phone booths, moveable pin and island countertop. mep and fire life safety to be deferred permit submittal.

    Issued Permit 202606102955 $$$ $2,000,000
27. Jul 2026

    20/f tenant improvement; demolition of non-structural partitions, doors, glazing, millwork, ceilings, light fixtures and electrical to warm shell condition. restroom upgrades and new lighting.

    Issued Permit 202607134941 $$$ $750,000

DBI holds 194 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 194. 6 of them are nominal $1 street-space or sidewalk permits. A citywide context statement took offices in a building at this address in 1897; the assessor's roll dates the structure on this parcel to 1987. Whether the building described still stands here is unsettled.