37.7929, −122.4052 A locator map appears here once a Mapbox token is configured.
Know This Place

District 3 · Block 0241, Lot 025 · ZIP 94108

Hartford Building

636–650 California Street

  • Office building
  • 33 stories
  • 461,138 ft2
  • 26,262 ft2 lot area
  • Zoned C3O
  • Privately owned public open space
  • Historic resource
  • Sold September 11, 2014
37.7929, −122.4052 Street View appears here once a Google Maps embed key is configured.
  1. 1963

    Built.

  2. 1964

    Hartford Building, designed by Edward Charles Bassett of Skidmore, Owings & Merrill.

    Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021
  3. Dec 1981
    Permit 8110516 $$$ $20,000

    Additions alterations or repairs.

  4. Dec 1989
    Permit 8924462 $$$ $1,800,000

    Tenant improvements.

  5. Feb 2010
    Permit 201002267190 $$$ $930,000

    Tenant improvement on the 31st. floor. including new non-load bearing partitions, ceilings finishes & associated mechanical & electrical work. life safety & fire sprinkler under separate permit.

  6. Mar 2010
    Permit 201003037493 $$$ $1,400,000

    Tenant improvement on 33rd floor including new non-load bearing partitions, ceilings, finishes & associated mechanical & electrical work. life safety & fire sprinklers under separate permit.

  7. Jun 2012
    Permit 201206253352 $$$ $974,000

    29th floor - interior non-structural tenant improvement to exisitng office space. work to include new patitions, ceiling & finishes.

  8. Sep 2012
    Permit 201209260696 $$$ $2,497,943

    Enlarge existing lobby area and new glass curtain wall at the ground floor. all mep sprinklers and fire alarm under separate permit.

  9. Aug 2013
    Permit 201308083822 $$$ $1,757,400

    14th floor: full floor t.i. for single tenant office space on 14th floor including new non-load bearing partitions, ceiling s and finishes and associated mechical and associated mechanical and electrical.

  10. Feb 2017
    Permit 201702270162 $$$ $3,244,769

    Full floors 5-7 arch plans office t.i. new partitions and gyp ceilings, new millwork, counter tops and fixtures. new finishes, paint and wallcovering. card readers thoughout and elevator lobby. new elev lobby dorrs on 6th. electrical., plmg, mechanical, stairs, & life safety under seperate permit. n/a for maher.

  11. Apr 2017
    Permit 201704103556 $$$ $1,458,943

    20th and 21st floors - commercial ti on 2 coneected floor includes partitions, door and frames, ceiling, lighting finishes, casework, electrical and mechanical.

  12. Nov 2017
    Issued Permit 201711073284 $$$ $1,500,000

    30th floor - interior tenant improvement of an existing space. new partitions, new millwork, countertops, fixtures, m.e.p., card reader in elevator lobby. n/a maher ordinance.

  13. Nov 2017
    Permit 201711083442 $$$ $975,000

    Interior office tenant improvemen on the 9th fl to include interior non structural demolition, new partitons, all gender restrooms, new accoustical and gypsum board ceiling mip under sep permit. maher na.

  14. Nov 2017
    Permit 201711083445 $$$ $975,000

    Interior office tenant improvemen on the 10th fl to include interior non structural demolition, new partition, all gender restroooms new accoustical and new gypsum board ceiling mep under serparate permit maher not req.

  15. Nov 2017
    Permit 201711083447 $$$ $975,000

    Interior tenant improvement on the 12th fl to include interior non structural demolition, new partitons, all gender restrooms, new accoustical and gypsum board ceilings. mep sep permit.

  16. Nov 2017
    Permit 201711083449 $$$ $975,000

    Interior office tenant improvement on the 11th fl to include interior non structural demolition, new partitons all gender restrooms, new accoustical gypsum board ceilings, mep under sep permit. maher na.

  17. Nov 2019
    Permit 201911056459 $$$ $4,000,000

    32nd floor: demolition existing walls and ceilings. new drywall and demountable glass partitions, furn, and finishes for officers.

  18. Nov 2019
    Permit 201911268224 $$$ $4,678,605

    33rd fl - ti work includes demolition of existing tenant walls, ceiling. new drywall and demountable galss partitions, furn and finishes for offices. break room for employee use only.

  19. Dec 2023
    Permit 202312072109 $$$ $1,500,000

    25/f. demolition and construction of non load bearing partition, new door, frames and glazing, new suspended ceiling, new light fixtures new millwork and new finishes, mep included.

  20. Dec 2023
    Permit 202312132452 $$$ $2,000,000

    24th fl - selective demolition and construction of non load bearing partitions, new door, frame & glazing, new suspended ceilings, ne light fixtures, new millwork and new finishes.

  21. Apr 2024
    Permit 202404220445 $$$ $2,355,840

    28th fl scope includes construction of new interior partitcions, doors, frames, power data, act and lighting, millwork, finishes. currenty vacant shell. mep def, path trvl 202305318876, 28th fl restrms 202310118403.

  22. Jun 2024
    Issued Permit 202405021241 $$$ $1,786,903

    Retire existing 450kw generator/fuel tank on roof. in garage, install new 500kw tier 2 generator with diesel particulate filter, free-standing fuel tank, automatic transfer switch, manual transfer switch, & distribution boards. construct new room to house generator. install new fuel pumping system to.

  23. Dec 2024
    Permit 202412166915 $$$ $2,200,000

    30th & 31st fl ti: non structural partitions, ceilings, finishes & asccioated mep. work includes new convenience stair.

  24. May 2025
    Permit 202505297483 $$$ $715,000

    24th & 25th/f: office t.i. renovation total 7912 sq ft. mep defferred. new patitions & offices.

  25. Dec 2025
    Issued Permit 202512111537 $$$ $4,300,000

    22nd fl: commercial ti, demolition of non-structural partitions, doors, ceiling &lighting, millwork & finishes throughout.new construction to include new non-structural partitions, door&glazing, ceiling & lighting, millwork & finishes.new mep to be design-build.all workto be interior only, no work.

  26. May 2026
    Issued Permit 202605111057 $$$ $1,630,160

    12 floor: office t.i. including interior partitions, doors, finishes, ceiling, lights, millwork. seismic requirement for (9) new phone booths. mep deferred.

DBI holds 896 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 896. 8 of them are nominal $1 street-space or sidewalk permits. 1 cancelled permit is not shown. Wikipedia records completion in 1964; the assessor records 1963.

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