50–52 California Street

1. Nov 1981

   Additions alterations or repairs.

   Complete Permit 8109802 $$$ $50,000
2. Apr 1996

   Renovate existing plaza finishes planter & drainage remove existingpav.

   Complete Permit 9605841 $$$ $1,900,000
3. Feb 2002

   Lobby, arch build back, mechanical & structural.

   Expired Permit 200202260023 $$$ $1,850,000
4. Feb 2009

   At 24th fl: t.i. improvement including minor demolition, construction ceiling, lightly, power & signal furnishes.

   Complete Permit 200902192401 $$$ $1,695,000
5. Apr 2014

   31st floor: selective demolition of elevator lobby "s" doors. construction of non-structural partitions. glazing, doors, frames, hardware, new ceiling, lights/fixtures and new finishes throughout. lifie safty, and fire sprinkler under seperate permit. n/a for the maher ordinance #155-13.

   Complete Permit 201404233934 $$$ $1,785,830
6. Jan 2015

   32nd floor - remove hazardous material from current unoccupied space full floor and includes demolition of non-sturctural partitions, power/data, millwork, plumbing and ceiling. new work consists of restroom build back and elevator enclosure. space remain unoccupied. t.i.under sep. permit.maher n/a.

   Complete Permit 201501165960 $$$ $1,100,000
7. Apr 2015

   3rd floor: t.i. includes new partitions, doors, ceilings, lights, finishes and associated mep. life safety under separate permit. maher n/a.

   Issued Permit 201504163857 $$$ $800,000
8. Apr 2015

   2nd floor: t.i. includes new partitions, doors, ceilings, lights, finishes and associated mep, life safety under separate permit. maher n/a.

   Issued Permit 201504163854 $$$ $800,000
9. Jun 2015

   32nd fl: partitions, new non-structural ceiling, lights, electrical, finshes, millwork, mep. no change in area, occupancy or use or use. maher not req. deferred submittals - stuctural for roll-up door and sliding glass doors and for life safety.

   Complete Permit 201506088329 $$$ $1,920,471
10. Nov 2015

    Demolition of 10/f existing walls, ceiling, lighting, electrical and finishes. new non-load bearing walls, restrooms, doors, ceiling, lighting, electrical, finish and furnishing. n/a ordinance #155-13.

    Complete Permit 201511243474 $$$ $3,500,000
11. Jun 2017

    19th floor - construction of new non-load bearing partitions. new acoustical grid & tile and gyp board ceiling in select areas. new finishes throughout. mep under separate permit.

    Complete Permit 201706078670 $$$ $1,741,000
12. May 2018

    Interior tenant renovation of 18th fl. lobby, open office and comf. rms. including new partitions, finishes & lighting, mechanical, electrical, plumbing and fire protection.

    Complete Permit 201805108789 $$$ $2,500,000
13. Jul 2020

    33rd floor only. construction includes new partitions, finishes, lighting, and equipment.

    Complete Permit 202007099908 $$$ $2,000,000
14. Dec 2020

    Existing office tenant improvement to 12th floor. interior demolition under permit application 202010196863.

    Complete Permit 202012171246 $$$ $1,092,700
15. Apr 2022

    23rd fl: t.i. work includes non-structural renovations of partitions, flooring, ceilings, doors, fixtures, and finishes. mep deferred.

    Complete Permit 202204252951 $$$ $1,600,000
16. Sep 2022

    T.i. non structural partitions, doors, ceiling, lights, millwork, and finishes.

    Complete Permit 202209061885 $$$ $1,440,000
17. Jan 2023

    21/f: tenant improvement. new offices, reception, conference room, open work stations, new partitions - non load bearing, storefronts, ceilings, millwork, furniture, power/data and mechanical, electrical, and plumbing work. no structural work.

    Complete Permit 202301301025 $$$ $2,839,105
18. Mar 2023

    13th fl - ti consisting of new non-structural partitions, doors, ceiling, lights, millwork, finishes, electrical, plumbing and hvac.

    Complete Permit 202303304700 $$$ $1,938,674
19. Apr 2023

    21/f ste# 2150 spec suite: tenant improvement, new non-structural paritions, doors, ceilings, millwork, hvac, plumbing, electrical, finishes and light fixtures.

    Complete Permit 202304055082 $$$ $1,309,680
20. Mar 2024

    31/f: demolition of non-structural partitions, millwork, finishes, ceiling, lighting and plumbing. construction of non-structural partitions, millwork, finishes, ceiling, light, new demising partitions and non-rated common corridor. no change in occupancy, use or area.

    Complete Permit 202403157924 $$$ $2,551,472
21. May 2024

    36th fl: office ti installation of new finishes, floors & walls. mep deffered on separate application.

    Complete Permit 202405222693 $$$ $5,000,000
22. Jun 2024

    35th fl. office t.i. includes installation of new finishes, floors, walls mep deffered on spearate application.

    Complete Permit 202406265293 $$$ $5,000,000
23. Sep 2024

    24th fl - dmo of non-structural partitions, millwork, finishes, ceiling, lighting and plumbing. construction of non-structural partitions, millwork, finishes, ceiling, lights and new partitions. no change in occupancy use or area.

    Issued Permit 202409049993 $$$ $1,721,466
24. Oct 2025

    28th floor ti: partitions, doors, ceilings, fixtures & finishes, mep.

    Complete Permit 202510036672 $$$ $4,135,200
25. Apr 2026

    2/fl- ti to include non structrual demolition and construction of new conference center, gym, and lounge.

    Filed Permit 202604068926 $$$ $3,790,509

DBI holds 1,224 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 1,224. 10 of them are nominal $1 street-space or sidewalk permits.