530–550 California Street

1. 1960

   Assessor’s “built” date.

2. 1963

   An office building of 1963 by Chris William Runge.

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

   Permit 8200302 $$$ $7,000

   Additions alterations or repairs.

4. Mar 1988

   Permit 8803668 $$$ $1,138,000

   Interior ti, non structural, partitions, suspended ceiling.

5. Nov 1988

   Permit 8818511 $$$ $3,500,000

   Rehabilitation of 550 california street including upgrade.

6. Aug 2006

   Permit 200608301015 $$$ $800,000

   Boiler and haeating water addition no increase in office space.

7. Sep 2009

   Permit 200909146704 $$$ $417,000

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

8. Aug 2013

   Permit 201308144261 $$$ $625,000

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

9. Dec 2013

   Permit 201312063546 $$$ $743,800

   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.

10. Dec 2013

    Permit 201312063549 $$$ $747,480

    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.

11. Nov 2014

    Permit 201411141483 $$$ $3,000,000

    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.

12. Mar 2018

    Permit 201803083150 $$$ $1,550,000

    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.

13. Mar 2018

    Permit 201803083147 $$$ $1,000,000

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

14. Jun 2018

    Permit 201806131807 $$$ $1,500,000

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

15. Dec 2018

    Permit 201812117953 $$$ $1,500,000

    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.

16. Apr 2019

    Permit 201904057249 $$$ $1,500,000

    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.

17. May 2024

    Issued Permit 202405152215 $$$ $70,000

    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.

18. Sep 2024

    Issued Permit 202409181012 $$$ $100,000

    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.

19. Oct 2024

    Issued Permit 202410032227 $$$ $736,132

    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.

20. Apr 2025

    Issued Permit 202504305514 $$$ $350,000

    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.

21. Aug 2025

    Issued Permit 202508294228 $$$ $203,611

    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.

22. Sep 2025

    Issued Permit 202509034469 $$$ $450,000

    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.

23. Oct 2025

    Issued Permit 202510066834 $$$ $500,000

    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.

24. Dec 2025

    Issued Permit 202512020788 $$$ $673,128

    Level 9 suite 910: deferred mep 202510066834.

25. Dec 2025

    Issued Permit 202512222376 $$$ $350,000

    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.

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. 2 expired or cancelled permits are not shown.