37.7921, −122.4027 A locator map appears here once a Mapbox token is configured.
Know This Place

District 3 · Block 0259, Lot 029 · ZIP 94104

315 Montgomery Street

Office building · Financial District

  • 16 stories
  • 270,497 ft2
  • 18,697.5 ft2 lot area
  • Zoned C3O
  • Sold March 6, 2006
Land$53,591,694
Improvements$26,795,843
Total assessed$80,387,537
37.7921, −122.4027 Street View appears here once a Google Maps embed key is configured.
  1. 1921

    Assessor’s “built” date.

  2. 1923

    The California Commercial Union Building, designed by architect George Kelham.

    Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021
  3. 1978

    The Foundation for San Francisco's Architectural Heritage rated the California Commercial Union Building "A" in its downtown survey, and the Downtown Plan classed it Category I; the Department of City Planning's 1976 citywide survey did not rate it.

    600 California Street initial study, SF Dept. of City Planning, 1986
  4. Nov 1981
    Permit 8109768 $$$ $38,000

    Additions alterations or repairs.

  5. Mar 2015
    Withdrawn Permit 201503050068 $$$ $1,000,000

    1st fl modification to add business office space. work includes new raised fl with access ramp, new offices, new ceiling design. new restrooms, few meeting rooms, and breakroom this also includes new furniture and finishes. n/a for maher ordinance.

  6. Apr 2015
    Issued Permit 201504304986 $$$ $200,000

    New t.i. in partial ground floor work includes new office, new restroom, break room, struct, & m.e.p. work. n/a maher ordinance.

  7. Jul 2015
    Permit 201507292749 $$$ $626,314

    Mezzanine-project includes demolition existing non-structural partitions, door frames, millwork, ceiling grid &tile, sprinkler branches, lighting, power, & finishes. construct similar non-structural items prepared as an unoccupied space. no changed in occupancy/floor area. mep, life safety, sprinkler under separate.

  8. Jul 2015
    Permit 201507292752 $$$ $757,529

    10th floor-project includes demolition existing non-structural partitions, door frames, millwork, ceiling grid &tile, sprinkler branches, lighting, power, & finishes. construct similar non-structural items prepared as an unoccupied space. no changed in occupancy/floor area. mep, life safety, sprinkler under separate.

  9. Jul 2015
    Permit 201507292751 $$$ $566,264

    2nd floor-project includes demolition existing non-structural partitions, door frames, millwork, ceiling grid &tile, sprinkler branches, lighting, power, & finishes. construct similar non-structural items prepared as an unoccupied space. no changed in occupancy/floor area. mep, life safety, sprinkler under separate.

  10. Jun 2016
    Permit 201606270975 $$$ $921,228

    15/f -demolition of existingnon-structural partitions, doors/frame, millwork, ceiling grid & tile, sprinkler branches, lighting, power & finishes. construction of similar non-structural items prepared as an unoccupied space for marketing. remodel common restrooms. separate ti permit. maher na.

  11. Dec 2016
    Permit 201612134862 $$$ $1,175,000

    Mezz & 2/f- t.i. on 2 floors, work includes new partitions, doors, frames, ceiling, lighting, finishes, casework, electrical, mechanical and plumbing. n/a ordinance #155-13.

  12. Apr 2017
    Permit 201704033033 $$$ $972,582

    10th floor: t.i. for modifications to unoccupied full floor tenant suite. including non-structural partitions doors, interior glazing, ceilings, light fixtures, millwork and finishes. mep and fire, ls under seperate permit. n/a for maher.

  13. Aug 2017
    Issued Permit 201708175074 $$$ $600,000

    1st fl - ti, modify existing banking center. new ucr rooms, atm room, open offices, new ceiling.

  14. Aug 2017
    Permit 201708256002 $$$ $1,776,700

    Ti on 13th and 14th floors - to construct new partitions doors, finishes & millwork. mep, life safety sprinklers on separate permit.

  15. Aug 2017
    Permit 201708256003 $$$ $1,284,800

    Ti on 15th and 16th floors - to construct new partitions doors, finishes & millwork. mep, life safety sprinklers on separate permit.

  16. Sep 2017
    Permit 201709158590 $$$ $920,000

    Title 24 mep to add new equipment to tenant improvment on 13th and 14th fl see #201708256002 for ti work maher not req.

  17. Sep 2017
    Permit 201709158416 $$$ $700,000

    1/f- t.i. modifications to include relocated access ramp and stairs, new financial and client advisor rooms & client meeting rooms, new ceilings. existing restrooms and breakrooms to remain. new furniture and finishes. n/a ordinance #155-13.

  18. Sep 2017
    Permit 201709158593 $$$ $672,000

    Title 24 mep on floors 15 and 16 to add new equipment. ref 201708256003 for ti work maher not req.

  19. Nov 2017
    Permit 201711224724 $$$ $2,500,000

    T.i. alterations to existing 7th floor. new partition, doors, ceilings, light fixtures, millwork, and finishes. n/a for maher.

  20. Mar 2018
    Permit 201803234416 $$$ $1,013,979

    8/f: modification to an existing unoccupied full floor tenant suite. scope of work includes constructon of non-structural partitions, doors, int. glazing, ceilings, lighting, millwork & finishes. no change in occupancy or floor area. mep, life safety, sprinklers under sep. permit. maher na.

  21. Jun 2018
    Permit 201806121600 $$$ $980,000

    12th fl full floor ti for office mep def floor maher not req; ref permit application 201712116097.

  22. Jul 2018
    Permit 201807033636 $$$ $980,000

    13th floor - t.i. new paritions, millwork & finishes. mep deferred.

  23. Oct 2019
    Permit 201910043559 $$$ $929,549

    14/f: t.i. of existing unoccupied full floor. no change in occupancy use or area. accessible restrooms & drinking fountain under sep permit. maher n/a. formerly known as 13th floor.

  24. Oct 2019
    Permit 201910174741 $$$ $1,200,000

    5th floor t.i. /interior alateration to existing 5th floor. new partitions, doors, ceilings, light fixtures. millwork and finishes. fully sprinklered building. meps and structural included.

  25. Oct 2019
    Issued Permit 201910285690 $$$ $810,435

    Tenant improvement of 3rd floor. unoccupied full floor. addition of 2 a-3 occupancy spaces and horizontal exit per pre app meeting notes dwg 3a-0.1.0 and 3a-0.1.1. m.e.p. and structural under separate permit.

  26. Jun 2025
    Permit 202506108308 $$$ $850,000

    1st fl: reconfiguration of teller line, breakroom, furniture and finishes upgrade. interior tenant improvement of existing space. no change of use or occupancy. existing bank of america.

  27. Jan 2026
    Permit 202601164045 $$$ $958,720

    Level 17: ti, demolition of existing & construction of new partitions, millwork, lighting, & finishes.

  28. Jul 2026
    Issued Permit 202607295731 $$$ $1,200,000

    9th & 10th/f t.i. demolition walls, ceilings, light fixture, eletrical, plumbing, minor mechanical, doors, casework, & finiesh. addition of new walls, ceilings, light fixture, eletrical, plumbing, minor mechanical, doors, casework, & finiesh.

DBI holds 417 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 417. 16 of them are nominal $1 street-space or sidewalk permits. The assessor's roll gives 1921; this address is recorded as built 1923. The environmental review recording these ratings files the address under assessor block 241; the address it gives resolves to parcel 0259029, on block 259.

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