350 Bush Street
348–350 Bush Street
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1916
A one-storey brick building with an ornate terra cotta cornice went up here in 1916 to the design of S. Heiman; it was demolished in 1979.
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1923
The San Francisco Mining Exchange Building was raised here in 1923 to the design of Miller & Pflueger, to house the exchange itself — unreinforced brick and masonry behind a decorative terra-cotta front, which the later tower was built around.
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1923
A one-storey brick building with an ornate terra cotta cornice went up here in 1923 to the design of T. Paterson Ross; it was demolished in 1979 and the lot left vacant.
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1927
The newly renamed San Francisco Stock Exchange took ownership of the Mining Exchange building then on this corner, whose front the present tower keeps, and set up a secondary curb exchange in it.
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August 15, 1967
The San Francisco Mining Exchange, founded in 1862 in the Montgomery Block and the second oldest exchange in the country, closed on 15 August 1967. The California State Chamber of Commerce and then the Western Title Insurance Company followed it into the building, which had stood empty since 1979.
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1979
The San Francisco Curb Exchange stood here. the Foundation for San Francisco's Architectural Heritage rated the San Francisco Curb Exchange "A" in the 1979 downtown survey it published as Splendid Survivors — the top of its four grades, which it reserved for the buildings it judged individually most important downtown. The Department of City Planning's 1976 Architectural Inventory coded it 3-D1-3.
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Mar 1980
New construction.
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May 29, 1980
The building went onto the City's list of architecturally and historically significant buildings in the downtown, adopted by the City Planning Commission on 29 May 1980.
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October 5, 1980
The Mining Exchange Building on this corner was designated City Landmark No. 113 by Board of Supervisors ordinance 415-80, effective 5 October 1980.
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Aug 2007
To erect 20 stories, 3 basements, office building.
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May 2014
To demolish 2 stories, restaurant. ** maher: compliance with ordinance no# 155-13 not required **.
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Oct 2014
Shoring & excavation, maher ordinance.
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May 2017
Selective demolition and construction of non load bearing partitions, new ceilings, new office doors and frames, new millwork, finishes. mep, life safety and fire sprinkler under sep permit maher not req.
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Jun 2017
Tenant improvement on 6th and 7th fl selective demolition construction of new non load bearing partitions. mep and fire life safety sep permit maher not req.
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Jun 2017
Tenant improvement on 4/5th fl selective demolition construction of new non load bearing partitions. mep and fire life safety sep permit maher not req.
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Jun 2017
Selective demolition and construction of non-load bearing partitions, ceiling, light fixtures, office dors, frames, mill work and finishes. mechanical, electrical and plumbing included. ** maher: n/a **.
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Aug 2017
Mechanical & plumbing for ti on the 4th & 5th fl. ref arch #201706209770. maher na adding 48 vav's, 1 heat pump and 1 crac unit.
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Aug 2017
Mechanical & plumbing for ti on the 8th & 9th fl. ref arch #. maher na adding 47 vav's and 2 heat pumps. ref 2017-0531-7996 and 2017-1106-3215.
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Aug 2017
Mechanical & plumbing for ti on the 6th & 7th fl. ref arch #201706209767 & 201711063216. maher na adding 47 vav's and 2 heat pumps.
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Dec 2017
19th fl - interior ti to existing office floor. improvements to include new offices, open office space, break area, and new restrooms. no structural work. maher n/a.
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Dec 2017
18th fl - ti to existing officce floor. improves include new office, open office area and new restrooms. maher n/a.
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Dec 2017
17th floor - tenant improvement to existing office floor including new meeting room, open office area & new restrooms. no structural work. maher na.
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2018
Current structure built.
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Feb 2018
12th, 13th and 14th fls-tenant improvement.newnon-structural partitions. allnew or revised mep & life safety under separate permit(building fully sprinklered (first time build out) stairwell under 201804136313.
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Mar 2018
(10th fl): t.i. includes new non-structural partitions: all new or revised meps, life safety/sprinklers will be design build & submitted separately. (building is fully sprinklered); n/a maher.
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Mar 2018
(11th fl) t.i. includes new non-structural partitions; all new or revised meps, life safety/sprinklers will be design-build & submitted separately. (building is fully sprinklered).
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May 2018
T.i. basement level 1, basement level 2. work includes converting mail room into office, additonal mail room, building engineer shop, ments womens lockerroom, janitorial break rm. mep fire spr, fire alarm under sep permit. n/a maher.
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Jul 2018
12, 13 and 14th floors - mechanical, electrical & plumbing for 2018-0208-0813.
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Feb 2019
Retail improvements to include new interior non structural partitions, unistrut grid millword, finishes. mep under sep permit.
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Oct 2019
15th fl - ti of warm shell to construct new partitions, doors, ceilings, millwork, glazing, finishes and mep systems. fire alarms & sprinklers under separate permit.
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Dec 2019
Tenant improvement of warm shell to include new on structural partitions, new or revised hvac electrical, plumb, new doors, ceilings, millwork, glazing, finishes, life safety and fs design build under sep permit. building fully sprinklered.
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Mar 2021
Floors 2-3: selective demolition or removal of existing non load bearing partitions, interior finishes and light fixtures, and the construction or installation of new non load bearing partitions, doors and frames, light fixtures and finishees on 2nd fl. replace a single storage door with double door on 3rd fl.
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Nov 2024
Level 15; the minor alteration of an existing office space conversion to a digital content studio. scope of work includes: selective demolition, non-structure partitions, interior finishes, ceilings, doors, frames, hardware, and specialty a/v equipments.
DBI holds 156 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 156. 3 of them are nominal $1 street-space or sidewalk permits. The 2025 assessor's roll dates this parcel 2018, long after the buildings described were demolished in 1979. Two environmental reports name the building that stood on this corner differently: the 1981 initial study for 333 Bush Street calls it the San Francisco Curb Exchange, and the 1982 Russ Tower report calls it the San Francisco Mining Exchange Building.
Nearby
- 333 Bush Street Same street
- 364 Bush Street Same street
- 380–382 Bush Street Same block
- 52 Belden Street Same block
- 201–265 Montgomery Street Same block
- 318–322 Kearny Street Same block
- 149–155 Montgomery Street Around the corner
- 260 Kearny Street Around the corner