505–527 Montgomery Street

1. 1906

   527 Montgomery Street: a two-storey brick building, the oldest of the ten then standing on this block corner, its upper storey carrying a horizontal projecting window band and lintel and a boxed cornice with a tile roof. It was cleared for the tower.

   San Francisco Department of City Planning, 505 Montgomery Street: [Draft] Environmental Impact Report, Case No. 82.463E, 1983.
2. 1907

   616–618 Sacramento Street: a three-storey building of stone masonry with deeply recessed windows and slightly projecting window sills and lintels. It was cleared for the tower.

   San Francisco Department of City Planning, 505 Montgomery Street: [Draft] Environmental Impact Report, Case No. 82.463E, 1983.
3. 1907

   615–617 Commercial Street: a two-storey building with large-pane horizontal windows at ground level, a series of Ionic pilasters at the second level, rustication at the ground level and a detailed cornice. It was cleared for the tower.

   San Francisco Department of City Planning, 505 Montgomery Street: [Draft] Environmental Impact Report, Case No. 82.463E, 1983.
4. 1910

   627–629 Commercial Street: a two-storey grey brick building with three small arched windows at the second level. It was cleared for the tower.

   San Francisco Department of City Planning, 505 Montgomery Street: [Draft] Environmental Impact Report, Case No. 82.463E, 1983.
5. 1910

   628–630 Sacramento Street: a two-storey red brick building with a modified cornice and horizontal banding across its front. It was cleared for the tower.

   San Francisco Department of City Planning, 505 Montgomery Street: [Draft] Environmental Impact Report, Case No. 82.463E, 1983.
6. 1920

   624 Sacramento Street: a two-storey masonry building in pink and brown, with a service entrance on Commercial Street. It was cleared for the tower.

   San Francisco Department of City Planning, 505 Montgomery Street: [Draft] Environmental Impact Report, Case No. 82.463E, 1983.
7. 1950

   501–505 Montgomery Street: a four-storey building with three horizontal window rows set against vertical aluminium panels at the right of its Montgomery Street front. It was cleared for the tower.

   San Francisco Department of City Planning, 505 Montgomery Street: [Draft] Environmental Impact Report, Case No. 82.463E, 1983.
8. 1950

   517–519 Montgomery Street: a two-storey building with a plain front and a row of horizontal windows. It was cleared for the tower.

   San Francisco Department of City Planning, 505 Montgomery Street: [Draft] Environmental Impact Report, Case No. 82.463E, 1983.
9. 1983

   The two-storey 527 Montgomery Street building then on this parcel was rated 'C' — of contextual importance — by the Foundation for San Francisco's Architectural Heritage; the city's 1976 survey had not rated it, and it had been altered several times since it was built.

   San Francisco Department of City Planning, 505 Montgomery St. Office Building: Initial Study, 1983.
10. Apr 1983

    Permit 8303178S $$$ $39,860,000

    New construction.

11. 1986

    The office tower was under construction early in the year.

    San Francisco Department of City Planning, 343 Sansome Street: Initial Study, 1986.
12. Dec 1987

    Permit 8717629 $$$ $2,700,000

    New undeveloped floor, partitions, acoustical ceiling, hvac.

13. Dec 1987

    Permit 8717633 $$$ $1,300,000

    Typical build-out for new undeveloped floor.

14. Jan 1989

    Permit 8900409 $$$ $1,200,000

    1st time tenant improvement.

15. Apr 1989

    Permit 8906685 $$$ $600,000

    Tenant improvement, 1st time, no change in occupancy.

16. Sep 1990

    Permit 9018381 $$$ $1,980,000

    Tenant improvements floor 17, 18 & 19.

17. Mar 1991

    Permit 9105168 $$$ $582,000

    Cti 1.

18. Apr 2000

    Permit 200004066607 $$$ $475,000

    Interior office alteration include addition of a stairway.

19. May 2001

    Permit 200105159171 $$$ $600,000

    Oti-1 14th fl el, me, ls, sp.

20. May 2004

    Permit 200405042966 $$$ $750,000

    Oti-1: 20th fl el, me, ls, sp.

21. Apr 2006

    Permit 200604138894 $$$ $560,000

    Oti-1, 8th floor, el, me, ls, sp.

22. Sep 2010

    Permit 201009090492 $$$ $8,500,000

    Select demolition of walls and ceilings. new construction for tenant improvement of floor 4. partial build out on floor 14-20. new load bearings partitions, ceilings and finishes. fire sprinkler and life safety, emergency generator, evacuation signage under separate permits.

23. Sep 2016

    Permit 201609147675 $$$ $1,399,750

    6/f, 8/f, 9/f- t.i. including minor demolition and new non-structural partitions, bathroom upgrades, new lighting & finishes and associated mechanical & electrical work. fire, life safety under seperate permit. n/a ordinance #155-13.

24. Jul 2017

    Permit 201707313367 $$$ $500,000

    Ti of 2 partial floors (4 & 19). new non-load bearing partitions, hvac, redistribution, electrical, lighting, new finish and furnishing. mechanical, electrical, fire sprinkler and life safety as a separate permit.

25. Nov 2018

    Permit 201811286832 $$$ $500,000

    Demolition of non-structual portition ceiling, floor finishes to warm shell condition. suite to remain unoccupied until tenant improvement permited to be filed ab-017. new lights. all work on 5th floor. spinklers separate permit for upright heads.

26. Feb 2019

    Permit 201902213523 $$$ $731,753

    Unoccupied spec suite 500 ab-017" partitions with sidelites, non-structural partitions, electrical, millwork, finishes, light fixtures & accoustical ceiling ystem, elevator lobby finishes, seating, gyp.bd ceiling & light fixtures, new sinks, faucets, t0ilets, urinals, countertops, partitions, lights, mep.

27. Oct 2020

    Permit 202010136360 $$$ $341,930

    Interior t.i. of restrooms at floors 14, 15, 16, 17, 18, 19, 20. work includes: demolition and construction of partitions, millwork, finishes, electrical and plumbing fixtures.

28. Nov 2020

    Permit 202011138879 $$$ $1,132,800

    13/f: tenant improvement - construction includes non-structural partitions, millwork, and finishes. mep, f/a and sprinklers will be under separate permit.

29. May 2021

    Permit 202105251023 $$$ $731,753

    Suite 550 t.i. install non structural gyp board office partitions with sidelite, door frames, hardware, electrical, millwork, finishes, light fixtures & acoustical ceiling system where indicated - mep deferred.

30. Jul 2021

    Permit 202107013657 $$$ $533,000

    Demolition of existing non structural interior partitions, doors, frames, hardware. and contruction new interior partitions, doors, frames, hardwares, millwork, ceilings, lightings & finishes. ref to t.i. 2019 0221 3523.

31. Aug 2022

    Permit 202208180781 $$$ $848,172

    7/f: t.i.: demolition of non-structural partitions and building new non-structural partitions.mep, fire l/s & f/s will be design buildn and submitted for permits separately.

32. Feb 2023

    Permit 202302071511 $$$ $397,521

    Mep for bpa# 20220818-0781.

DBI holds 486 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 486. 11 of them are nominal $1 street-space or sidewalk permits. 2 expired permits are not shown.