530–550 California Street

1. 1960

   Built.

2. 1963

   An office building of 1963 by Chris William Runge.

   Modern Architecture and Landscape Design Context Statement, adopted 2011
3. Jan 1982

   Additions alterations or repairs.

   Complete Permit 8200302 $$$ $7,000
4. Mar 1988

   Interior ti, non structural, partitions, suspended ceiling.

   Complete Permit 8803668 $$$ $1,138,000
5. Nov 1988

   Rehabilitation of 550 california street including upgrade.

   Complete Permit 8818511 $$$ $3,500,000
6. May 2004

   Voluntary seismic upgrade. install concrete shear wall and steel braces.ref.appl#200404262238.

   Expired Permit 200405123680 $$$ $541,000
7. Aug 2006

   Boiler and haeating water addition no increase in office space.

   Complete Permit 200608301015 $$$ $800,000
8. Sep 2009

   Remove existing chiller and replace with new chiller. add exhaust fan.

   Complete Permit 200909146704 $$$ $417,000
9. Aug 2013

   7th floor (sacramento tower) full floor t.i. including partitions, ceilings, restroom upgrades, electrical, hvac, plumbing. life safety separate permits.

   Complete Permit 201308144261 $$$ $625,000
10. Dec 2013

    12th floor: remodel of existing office space: new lighting and finishes for new open office area, offices, conference rooms, copy room and elevator lobby. redo toilet rooms. no new fixtures. no new # of fixtures. compliance with ordinance no. 155-13 not reuqired.

    Complete Permit 201312063546 $$$ $743,800
11. Dec 2013

    14th floor: remodel of existing office space: new lighting and finishes for new open office area, offices, conference rooms, copy room and elevator lobby. redo toilet rooms. no new fixtures. compliance with ordinance no. 155-13 not required.

    Complete Permit 201312063549 $$$ $747,480
12. Nov 2014

    Replacement ofexisting 480v bus duct riser distribution system which includes removal of existing service switchboard 3 cables iwth new 480v calbe riser distriburion and switcher. maher/na.

    Complete Permit 201411141483 $$$ $3,000,000
13. Mar 2018

    5th floor: remodel of existing office space: new conference rooms, copy areas, mother's room & new studio. new finishes and new led lighting in affected areas.

    Complete Permit 201803083150 $$$ $1,550,000
14. Mar 2018

    9th floor: remodel of existing office space: new conference rooms, break room, new finishes & new led lighting in affected areas.

    Complete Permit 201803083147 $$$ $1,000,000
15. Jun 2018

    Remodel of existing office space new conference rm, focus, break rm, finishes, and led lights in affected are. n/a maher.

    Complete Permit 201806131807 $$$ $1,500,000
16. Dec 2018

    4th floor: remodel of existing office space with new conference rooms. new focus rooms. new break room, new finishes, and led lighting in affected areas. n/a for maher.

    Complete Permit 201812117953 $$$ $1,500,000
17. Apr 2019

    3/f: remodel of existing office space on 3rd fl with new conference rooms, new focus rooms, new breakroom, new finishes and new led lighting in affected areas. mep included. maher na.

    Complete Permit 201904057249 $$$ $1,500,000
18. Dec 2020

    7th floor. conversion of existing offices / finishes / lighting. new conference rooms, huddle and focus rooms remodel. upgrade all fixtures to new led lighting. hvac upgrade for new remodel.

    Cancelled Permit 202012090656 $$$ $1,540,000
19. May 2024

    8th fl - selective interior demolition of non-structural elements including int partitions, doors, finishes, ceilings, lighting, mechanical & electrical outlets and switches. refer to mechanical & electrical plans. scope also includes rr ada accessibility upgrades. scope of work does not affect fixture quantities, occ load calcs.

    Issued Permit 202405152215 $$$ $70,000
20. Sep 2024

    Ste 710 - selective interior demolition of non-struc'l elements. new interior partitions, door, finishes, lighting, mechanical & electrical outlets & switches. lfs and fire sprinkler submitted as separate permit. scope does not affect fixture quantities, occupant load, calcs or path of travel. no exterior change to.

    Issued Permit 202409181012 $$$ $100,000
21. Oct 2024

    Ground floor- ti to build out amenities spaces. no change of occupancy. change of use froim open office to b-office accessory space for non retail office fitness amenities.

    Issued Permit 202410032227 $$$ $736,132
22. Apr 2025

    10th fl suite 1030: selective interior demolition of non structural elements. new interior partitions, doors, finishes, lighting, mechanical and electrical outlets & switches. refer to mechanical & electrical plans. f/l/s and fire sprinkler drawings submitted under separate permit.

    Issued Permit 202504305514 $$$ $350,000
23. Aug 2025

    L3 suite #310: office t.i. to demolition and install of new non-structual partitions, millwork, finishes, lighting, outlets. mep deffered. no exterior or structure.

    Issued Permit 202508294228 $$$ $203,611
24. Sep 2025

    L12m ste 1220 non-structural interior demolition of partitions, finishes, ceilings, lighting and mep. new construction consists of new non-structural partitions, finishes, lighting, ceiling, doors, millwork and mep. renovation to existing restrooms on 12th for ada compliance. no change in fixture quantities.

    Issued Permit 202509034469 $$$ $450,000
25. Oct 2025

    Work within suite 910, consists of selectives interior demolition of non-structural partiations, doors, finishes, lighting, and mep. new construction of non-structural partitions, doors. finishes, lighting, ceiling, millwork, and mep. mep deferred. no exterior or structural work.

    Issued Permit 202510066834 $$$ $500,000
26. Dec 2025

    Level 9 suite 910: deferred mep 202510066834.

    Issued Permit 202512020788 $$$ $673,128
27. Dec 2025

    11th floor: suite #1100: shell consists of selective interior demolition including non-structural partitions. new construction includes interior nonstructural partitions, doors finishes, lighting, electrical, restroom upgrade, a movable partition with structural calculations. mep, fire, sprinkler.

    Issued Permit 202512222376 $$$ $350,000

DBI holds 592 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 592. 9 of them are nominal $1 street-space or sidewalk permits.