1000 California Street

1. 1910

   The James C. Flood Mansion of 1886, badly damaged in the 1906 fires, was repaired and converted into a clubhouse for the Pacific-Union Club — a rare case of a private club taking over an existing building rather than building new after the earthquake.

   Citywide Historic Context Statement: Clubs and Social Halls (1848–1989), 2026
2. 1911

   Built.

3. October 19, 1933

   Photographed, showing the Pacific Union Club.

   San Francisco Subjects Photograph Collection (SFP 162), San Francisco Public Library
4. Nov 1981

   Additions alterations or repairs.

   Complete Permit 8109534 $$$ $3,000
5. May 1989

   Remove asbestos containing pipe insulation from 6th floor.

   Complete Permit 8907193 $$$ $67,340
6. Jan 1997

   Install a handcap lift at ground floor.

   Complete Permit 9700885 $$$ $47,888
7. Aug 1997

   Renovate main.restroom so that it will be comply with hndycp.

   Complete Permit 9716398 $$$ $57,750
8. Jun 1998

   Stairs from 1st floor to 3rd floor/minor demolition to accmdt strs.

   Complete Permit 9811471 $$$ $360,000
9. Oct 1998

   Upgrade 1 suite to accessible standards.

   Expired Permit 9820948 $$$ $54,000
10. Oct 1998

    Remodel installation of fire sprinkler.

    Expired Permit 9821637 $$$ $146,000
11. Nov 1998

    Replace grease duct.

    Complete Permit 9823813 $$$ $150,000
12. Jun 1999

    Fire protection add 100 sprinkler heads.

    Expired Permit 9911956 $$$ $54,500
13. Jan 2000

    Add addt'l device to existing life safety system.

    Expired Permit 20000119401 $$$ $60,000
14. Feb 2001

    Renovating portion basement, put in new handicap restrooms, locker room.

    Complete Permit 200102212570 $$$ $140,000
15. Oct 2001

    Renovation to appr. 300 s.f. at the reception office 1st floor.

    Expired Permit 200110241583 $$$ $100,000
16. May 2004

    Interior alteration of 3/f offices, construct new stairs to access the roof & remove of storage tank.

    Complete Permit 200405274945 $$$ $72,500
17. Jan 2010

    Remove & replace mechanical unit serving the large card room.

    Complete Permit 201001205007 $$$ $125,000
18. Feb 2012

    2 new rooftop hvac unit, new electrical distribution and architecture barrier. removal at 2 guest rooms. two new vac system.

    Complete Permit 201202063584 $$$ $1,200,000
19. Nov 2013

    Demolition and structuraql work ab017. build out separate permit.

    Complete Permit 201311121685 $$$ $150,000
20. Dec 2013

    Voluntary barrier removal of existing fitness center, associated mechanical, electrical, and life safety under seperate permit. work associated with approved structural and demolition permit #201311121685.

    Complete Permit 201312134187 $$$ $800,000
21. Dec 2013

    Mechanical & electrical work associated with approved permit application 2013-12-13-4187 & 2013-11-12-1685 including new lighting & new steam & heat generator for steam room.

    Complete Permit 201312275132 $$$ $185,000
22. Aug 2014

    Revision 201312275132 to relocate ductwork and modify lighting plan.

    Complete Permit 201408113551 $$$ $175,000
23. Nov 2014

    Fire sprinkler system expansion. 94 sprinklers. t.i. permit application 201312134187. n/a ordinance #155-13.

    Complete Permit 201411262633 $$$ $47,000
24. Sep 2017

    Renovation of certain guests suite bathrooms including new hvac system.

    Complete Permit 201709158741 $$$ $2,880,000
25. Feb 2020

    Removal and replacement of 1 courtyard skylight (exterior window ceiling), in-kind.

    Complete Permit 202002285735 $$$ $178,500
26. Jun 2023

    Renovation of select guest room living spaces, including modifications to electrical and interior furnishings and finishes. electrical, fire sprinkler, and fire alarm work under separate permits.

    Complete Permit 202306140035 $$$ $680,000
27. Apr 2024

    Voluntary fire sprinkler upgrade to extend the existing wet f/s system to selected areas of the building including the subbasement, basement, 1/f & mezz. 187 added f/s heads.

    Complete Permit 202404170193 $$$ $42,075
28. Mar 2025

    Remodel of existing service bar room inclusive of new bar diewall and bar top new backbar top, new equipment new revised millwork for display flooring repairs and utility connections relocation.

    Complete Permit 202503172391 $$$ $65,000

DBI holds 79 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 79. 11 of them are nominal $1 street-space or sidewalk permits. The city's 2026 statement on clubs and social halls dates the mansion to 1886; the assessor's roll dates the structure on this parcel to 1911, after the post-earthquake rebuilding.