343–345 Sansome Street

• Four Seasons — Joan Brown
  Tile; roof garden; artwork and open space are accessible from 9-5.
  The tiled obelisk stands at the center of the 15th-floor roof terrace and was funded through San Francisco's 1% for Art program combined with the POPOS requirement.
• L'Octagon — Pol Bury
  Stainless steel, marble; Sacramento St. lobby; artwork and open space are accessible from 9-5.
  Belgian sculptor Pol Bury (April 26, 1922 - September 28, 2005) began his career as a painter associated with the Jeune Peinture Belge and CoBrA groups before becoming known for kinetic sculpture.

1. Nov 1981

   Additions alterations or repairs.

   Complete Permit 8110031 $$$ $24,000
2. Oct 1985

   Vertical & horizontal extension.

   Complete Permit 8511793S $$$ $31,100,000
3. Jan 1990

   Const. of initial tenant improvements in 343 sansome street.

   Complete Permit 9001944 $$$ $1,500,000
4. Dec 1995

   Electrical, hvac, plumbing, drywall, spkinkler & finishes.

   Expired Permit 9520474 $$$ $475,000
5. Mar 2005

   Oti-1 4th floor el me ls sp.

   Complete Permit 200503177753 $$$ $225,000
6. Apr 2007

   Oti-1 1st/fl-el, me, ls, sp.

   Complete Permit 200704269790 $$$ $386,635
7. Jul 2007

   2nd floor-remodel of existingoffice floor: (n0) offices, conference rooms, copy rm, pantry and lounge. newlighting, power/data for offices, conference rooms, copy, pantry and lounge. mechanical and demolition under separate permit.

   Complete Permit 200707136734 $$$ $475,000
8. Mar 2009

   Renovation of existing vacant office space/suite to include creation of private office, breakroom kitchen and ancillary support areas. mechanical/electrical, life safety sep permit.

   Complete Permit 200903254813 $$$ $200,000
9. Jul 2013

   7th floor t.i. on the existing full floor tenant, demolition of partitions, doors, millwork, finishes, electrical, plumbing & ocnst of new partitoins, doors electrical, finishes & plumbing. mechanical, electrical, life safety & sprinkler system modifications under separate permit.

   Complete Permit 201307021020 $$$ $450,000
10. May 2014

    Tenant improvement on an existing full 8th floor tenant. demolition few partitions, doors, finishes, electrical. construct new partitions, doors, electrical, finishes and plumbing. (mechanical, life safety and sprinkler system modification are under seperate permit.) n/a ordinance #155-13.

    Complete Permit 201405196115 $$$ $770,792
11. Sep 2015

    14th floor, suite 1400: ti- demolition and construction of conference rooms and offices. new millwork at pantry and new finishes throughout. construction of 2 showers and 1 staircase. new ceiling and lighting.project is pursing leed gold. mep/fire/life safety under sep permit.maher na.

    Complete Permit 201509237810 $$$ $250,000
12. Jan 2016

    Ste 125, change of use from office to fitness training. ti of existing space on 1st floor to include new partitions, lighting, re-assignment of existing electrical, counter, upgrade front entry and ada restrooms & shower. maher na.

    Complete Permit 201601207414 $$$ $450,000
13. Feb 2016

    Interior ti demolition of non-load bearing partitions, ceiling grids, lighting and finishes, new partitions, ceilings, light fixtures, casework, doors and finishes. mep under separate permit. maher na.

    Complete Permit 201602119388 $$$ $1,189,972
14. Feb 2016

    Meps for previously approved t.i. reference app#201602119388.

    Complete Permit 201602250501 $$$ $475,000
15. May 2016

    Tenant improvment to existing levels 6 & 10th floors. spaces including new non load bearing partitions, suspended ceiling, floor finshes, restroom expansion, break room and storage.

    Complete Permit 201605167491 $$$ $1,500,000
16. May 2016

    Interior ti: demolition of existing non load bearing partitions, ceiling grids, lighting and finishes. new construction includes interior partitions, ceilings, light fixtures, casework and installation of doors, compliance with 155-13 not required.

    Complete Permit 201605187789 $$$ $370,000
17. Jun 2017

    5th fl, ste 500: demolition of non structural elements including interior partitions, doors, finishes, ceilings. new conferences, offices, phone rooms. mep, ls, sprinkler modification sep permit.

    Complete Permit 201706280599 $$$ $600,000
18. May 2019

    10th floor - interior ti, new partition, lights, doors and finishes, ceilings. maher na.

    Complete Permit 201905241605 $$$ $611,000
19. Oct 2019

    11th floor: office remodel of new conference rooms, huddle rooms, focus rooms, & break room, new furniture & finishes, upgrade all fixtures to new led lighting hvac upgrade for new remodel.

    Complete Permit 201910023276 $$$ $950,000
20. Aug 2022

    Exterior: reconstruction & repairs of the southwest corner of the brick masonary on the facade. floors 3-5 of the corner are to be reinforced to prevent masonry cracking.floors 6-8 completel removed and replaced with new brick masonary & mortar.new steel shelf angles will be welded in place on 6-8/f.

    Complete Permit 202208251220 $$$ $508,496
21. Apr 2024

    Office ti 9th floor to include soft demolition existing space to include non structural partitions, doors, ceilings, lighting millwork, fixtures and finishes. add new non structural partitions, doors, window glazing, ceieling, lighting millwork, fixtures and finishes. update bathrooms, elevator.

    Complete Permit 202404250730 $$$ $1,012,487
22. Oct 2024

    15th floor: expand existing suite to adjacent suite. demolition of expansion suite includes non-structural partitions, doors, glazing, lighting fixture, millwork, and finishes. new construction includees new non structural partitions, doors, glazing, light fixtures millwork and finishes. mep deferre.

    Complete Permit 202410173178 $$$ $478,000
23. Dec 2024

    16th floor: tenant improvement interior renovation to include non-structural partitions, new ceilings, and new finishes thoughout area of work. mep deferred.

    Complete Permit 202412126752 $$$ $430,000
24. Apr 2025

    5th fl suite 500: demolition of existing non structural partitions, ceilings, doors, glazing millwork construction of new non structural partitions, ceilings, doors glazing. mep under separate permit.

    Complete Permit 202504305512 $$$ $650,000
25. Dec 2025

    #950: new t.i. on 9th floor: includes demolition of existing office space: non structural partitions, doors, glazing, ceiling, lighting, millwork and finishes. mechanical, electrical, & plumbing submittals to be deferred.

    Issued Permit 202512151745 $$$ $840,000

DBI holds 473 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 473. 2 of them are nominal $1 street-space or sidewalk permits.