20–26 California Street

1. 1908

   A downtown commercial building. The city's survey names it the Marine Building, though its scan of the name is imperfect.

   The West Slope of Russian Hill: A Historical Context and Inventory of Historic Resources, 2006, revised 2009
2. Sep 1984

   General commercial construction/paint walls ground level.

   Complete Permit 8410436 $$$ $95,000
3. Aug 1988

   Seismic upgrade only.

   Complete Permit 8811404 $$$ $837,000
4. Aug 1988

   Horizontal addition.

   Complete Permit 8811785 $$$ $80,000
5. Jul 1989

   Cti1.

   Complete Permit 8913404 $$$ $237,100
6. Oct 1989

   Tenant improvements.

   Complete Permit 8918744 $$$ $90,000
7. Jan 1990

   T/i including new partitions and suspended scoustical ceilng.

   Expired Permit 9001104 $$$ $165,000
8. May 1990

   Cti1.

   Expired Permit 9009097 $$$ $137,900
9. Jun 1990

   T/i partitions, finishes electrical & minor plumbing work.

   Complete Permit 9012666 $$$ $70,000
10. Oct 1990

    Office tenant improvements.

    Complete Permit 9021433 $$$ $300,000
11. Nov 1990

    T/i include new partitions & finishes comprising 1 floor.

    Complete Permit 9024511 $$$ $180,000
12. Jan 1992

    Alteration of existing walls & space.

    Complete Permit 9201556 $$$ $130,000
13. Aug 2003

    Tenant improvement including minor exterior alterations, new kitchen & prep area, accessible restrms.

    Withdrawn Permit 200308192431 $$$ $200,000
14. Sep 2003

    Provide mechanical, electrical, and plumbing for tenant improvement, fire supression=separate permit.

    Withdrawn Permit 200309164892 $$$ $75,000
15. Aug 2004

    Install (12) 4' panel antennas on roof of penthouse & bldng. exterior.

    Complete Permit 200408030480 $$$ $95,000
16. Mar 2011

    Renovation of an existing concentra clinic, remove some smaller partition rooms to allow for an physical therapy area.

    Complete Permit 201103222544 $$$ $400,000
17. Jan 2013

    Basement: this project involves modification and expansion of existing restrooms, shower rooms, and t.i. space to include construction of non-load bearing partitions, partial new gyp bd ceiling, new light fixtures, new doors and frames, new plmg fixtures/new finishes.

    Complete Permit 201301087486 $$$ $197,250
18. Feb 2013

    2nd floor: this project involves modification of an existing t.i. space to include selective demolition & construction of non-loading bearing partitions, new gypsum ceiling nw light fixtures, nw interior doors, glazing, frames, nw electrical, millwork and new finishes.mep, sprinkler & fire alarm defrd sbmt.

    Complete Permit 201302019336 $$$ $290,000
19. Jun 2013

    The project involve modification to existing t.i space to include selective demolition & construction of non load bearing partitions, new gypsum ceiling fire protection, new light fixtures, new interior doors, hardware, glazing & frames, new electrical, millworks & new finishes.

    Issued Permit 201306199921 $$$ $290,000
20. Jun 2014

    6th floor: project involves minor modification of existing tenant improvement space to include selectrive construction of non-load bearing partitions, selective relocation of existing light fixtures, new interior doors, hardware, glazing & frames & electrical; maher n/a.

    Suspended Permit 201406239073 $$$ $80,000
21. Jun 2014

    Modification of existing tenant improvement to include construction of non-bearing partitions, light fixtures relocation and new including re-switching, new office doors & frames, new millworks, new smoke/draft rou down doors at elevators & new finishes. n/a for maher.

    Issued Permit 201406259389 $$$ $100,000
22. Jan 2016

    This ti project involves modification to existing full floor tenant suite, to inlcude selective demolition & construction of non-load bearing partitions, new gypsum fire protection, new light fixtures, new interior doors & frames, new electrical, new millwork & new finishes. maher na.

    Complete Permit 201601278056 $$$ $680,000
23. Oct 2017

    5/f -add restroom; restrooms upgrades - including demolition reinstall existing door in conference room and new partition.

    Complete Permit 201710252184 $$$ $118,000
24. May 2019

    Floors 3 & f: modification of existing ti to include construction non-load bearing partitions, light fixture relocation and new including reawitching, new office doors and frames, new millwork, new smk/draft roll down doors at elevator and new finishes. maher n/a.

    Issued Permit 201905140576 $$$ $75,000
25. Apr 2022

    Verizon wireless: replace 9 & add 2 antennas. replace 6 rrus. replace 6 ovps. remove rooftop doghouse & install 4 frp radomes, antenna mounting frame, antenna mount. replace section of cable tray, reroute coax & hybrid cables. at equip room, remove 3 rrus & replace 3 ovps.

    Issued Permit 202204051567 $$$ $105,000

DBI holds 104 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 104. 10 of them are nominal $1 street-space or sidewalk permits.