101 California Street

1. Feb 1979

   New construction.

   Complete Permit 7901230S $$$ $70,000,000
2. Apr 1982

   Building use: offices.

   Complete Permit 8203346 $$$ $5,010,000
3. Feb 1983

   Additions alterations or repairs.

   Complete Permit 8301288 $$$ $2,700,000
4. Jun 2017

   41st fl tenant improvement of existing office space. maher ord 155-13 na.

   Complete Permit 201706129000 $$$ $2,615,000
5. Jul 2019

   22 fl. non structural intertior t.i. partitions, finishes, casework, mechanical, & electrical, plumbing to tie into existing building utilites.

   Complete Permit 201907317426 $$$ $3,311,336
6. Jul 2019

   23rd fl. non structural intertior t.i. partitions, finishes, casework, mechanical, & electrical, plumbing to tie into existing building utilites.

   Complete Permit 201907317429 $$$ $3,311,336
7. Jun 2020

   Improvements to the exterior plaza & interior spaces. exterior renovation: newlandscaping, water features, fixtures, kiosk, paving, cladding around mechanical vents, etc. lobby improvements: interior finishes in elevator entries, lighting & flooring, staircase, fitness room & engineering workshop.

   Issued Permit 202006198935 $$$ $31,349,352
8. Jan 2021

   36/f: renovation of existing office space t.i. construction of non-load bearing partitions, mep & communication. celing systems with new lighting, floor, paint and finishes. maher n/a.

   Complete Permit 202101213049 $$$ $6,000,000
9. Jan 2021

   32/f: renovation of existing office space t.i. construction of non-load bearing partitions, mep & communicatioin celing systems with new lighting, floor, paint and finishes.

   Complete Permit 202101213042 $$$ $3,000,000
10. Jun 2021

    Modifications to the level 8 roof of the podium portion of 101 california. scope includes the extension of two egress stairs to the roof, a new 2-stop elevator to connect l7 and l8, and a new waterproofing layer.

    Complete Permit 202106283370 $$$ $4,669,527
11. Sep 2021

    3rd floor: mep and fire life safety under seperate permit. t.i. in podium of existing 48 story office building. inprovements to include minor demolition, open office, conference rooms, break areas and support area. finishing of kitchen for food prepared off site.

    Complete Permit 202109077816 $$$ $3,901,090
12. Sep 2021

    Tenant improvement on the 5th fl to include minor demolition, construction of open office, conference rooms, break areas, and support spaces.

    Complete Permit 202109218805 $$$ $2,730,585
13. Aug 2022

    7/f: t.i. to include minor demolition & building new partitions to create open office conference rooms, break areas and uspport space. mep under sep permit. maher n/a.

    Complete Permit 202208231049 $$$ $4,036,850
14. May 2024

    26th: renovation of full floor existing b occupancy space proposed tenant improvement work includes demolition of interior non structural partitions, ceilings, lighting & finishes. construction of new non load bearing partitions, mechanical, plumb, electrical and communciation, ceiling systems with new lighting, flooring.

    Complete Permit 202405142058 $$$ $2,500,000
15. Jun 2024

    21st fl full floor ti mep upgrades included.

    Complete Permit 202406053739 $$$ $8,789,816
16. Jul 2024

    17/fl- full office ti to include new non loading bearing partitions, doors, frames, and hardware. ceilings, lighting and controls, millwork finishes and mep.

    Complete Permit 202407267324 $$$ $4,483,300
17. Aug 2024

    18th floor: full floor office t.i. including new non-load bearing partitions; doors, frames, & hardware; ceilings, lighting, & controls; millwork; finishes; & mep. project also includes minor structural upgrades to support an operable partition(sliding, stacking type).

    Complete Permit 202408027822 $$$ $4,483,300
18. May 2025

    35th fl - interior office ti. new non load bearing partitions, ceilings, doors & finishes. mep deferred.

    Issued Permit 202505196756 $$$ $3,308,600
19. May 2025

    34th ti new non-structural partitions, lighting, ceiling, finishes, mep; mep structural deferred.

    Issued Permit 202505206899 $$$ $3,308,600
20. Nov 2025

    13/f: tenant fit out of 13th floor. non structural demolition. new partitions, ceilings, doors, equipment and finishes. mep.

    Issued Permit 202511260514 $$$ $8,800,000
21. Nov 2025

    43rd floor. partial non-structural demolition and new tenant fit out of 43rd floor, including new partitions, ceilings, doors, equipment and finishes. new mep (selective areas of mechanical to remain).

    Issued Permit 202511260531 $$$ $8,018,885
22. Dec 2025

    14th fl - partial non-structural demolition and new tenant fit out of the 14th floor. work includes new partitions, ceiling doors, equipment and finishes. new mep.

    Issued Permit 202512010611 $$$ $6,600,000
23. Dec 2025

    12th fl: non-structural demolition and new tenant fit out of the 12th floor. work includes new partitions, ceiling doors, equipment and finishes. new mep. create new opening in e) 13th/f slab, ancharage design for aperable partition units attached below e) 13th/f slab. no exterior work.

    Issued Permit 202512030869 $$$ $9,700,000
24. Dec 2025

    11th floor - partial non-structural demolition and new tenant fit out of the 11th floor. work includes new partitions, ceiling doors, equipment and finishes. new mep.

    Issued Permit 202512030863 $$$ $6,500,000

DBI holds 2,086 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 2,086. 12 of them are nominal $1 street-space or sidewalk permits.

A gunman entered the 34th-floor offices of the law firm Pettit & Martin and killed eight people and wounded six before killing himself. The killings were among the events that carried the federal Violent Crime Control and Law Enforcement Act of 1994 to passage.