433–441 California Street

1. Jul 1908

   Permit 8809160 $$$ $195,000

   Tenant imprvmnts, non-structural, interior.

2. September 7, 1912

   The design of Willis Polk & Co. for the Insurance Exchange Building was approved, financed by stock and a $500,000 bond mortgage; excavation contracts were about to be let.

   The San Francisco Call, 7 September 1912, p. 23
3. 1913

   Built.

4. February 12, 1913

   The Dow Pump and Diesel Engine Company, the Otis Elevator Company and J. E. O'Mara contracted for the elevators, elevator pump and pipe connections of the Insurance Exchange's buildings at the corners of California and Leidesdorff, at $47,447.

   The San Francisco Call, 12 February 1913, p. 15
5. May 15, 1913

   Thomas Day company contracted to supply and install the light fixtures of the Insurance Exchange. Cross streets: SE corner of California Street and Leidesdorff.

   The San Francisco Call, 15 May 1913, p. 17
6. September 1973

   Photographed.

   San Francisco Subjects Photograph Collection (SFP 162), San Francisco Public Library
7. Jan 1989

   Permit 8900412 $$$ $132,000

   Partial sixth floor construction of non bearing interior.

8. Mar 1989

   Permit 8904314 $$$ $210,000

   Building standard tenant imrovements.

9. Jun 1989

   Permit 8909499 $$$ $250,000

   Commercial tenant improvements demolition of non bearing partition.

10. Jun 1989

    Permit 8911173 $$$ $400,000

    Demolition first floor precast column covers and spandrel.

11. Apr 1990

    Permit 9006690 $$$ $260,000

    Cti i.

12. Jan 1991

    Permit 9100364 $$$ $137,100

    Cti-1.

13. May 1994

    Permit 9407299 $$$ $145,000

    Cti-1 3/f el me sp.

14. May 2000

    Permit 200005240818 $$$ $150,000

    Oti-1 el me ls sp 9th floor.

15. May 2000

    Permit 200005311348 $$$ $200,000

    Oti-2, el, me, 9th floor.

16. Aug 2006

    Permit 200608048605 $$$ $200,000

    Cut & patch remodel of existing tenant space. reconfigure office walls, revise lighting & finishes. space will remain partially occupied. safety submitted seperately.

17. Aug 2006

    Permit 200608230268 $$$ $138,500

    Oti-1, 2nd floor, el, me, ls, sp.

18. Sep 2012

    Permit 201209240445 $$$ $1,167,446

    Work in suite 210 & 220: non structural interior tenant improvement to e office spaces on the 2nd fl. combine 2 suites and associated restroom accessibility. mep, sprinkler/life safety separate permits.

19. Mar 2015

    Withdrawn Permit 201503110496 $$$ $201,000

    Gr fl interior restaurant "b"occupancy includes new seating, bar, kitchen, storage, disabled access restrooms, new finishes throughout, basement work includes new walk in cooler, employee lockers, storage. mep and title 24 under sep permit. n/a for maher.

20. Jun 2015

    Permit 201506179161 $$$ $125,000

    Roof level - replace existing r-11 centrifugal chiller with new r-134a high efficiency helical rotary chiller in the same location. connect to existing electrical service, revise piping as required to accommodate the new chiller. provide new insulation on all new chilled water piping. n/a maher ordi.

21. Jun 2023

    Filed Permit 202306291242 $$$ $2,180,000

    T.i. on single floor: new non-load bearing partitions, floor finishes, ceilings, millwork, ligihting, plumbing, hvac distribution, electrical distribution.

DBI holds 210 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 210. 2 of them are nominal $1 street-space or sidewalk permits. 8 expired or cancelled permits are not shown.