37.7889, −122.4026 A locator map appears here once a Mapbox token is configured.
Know This Place

District 3 · Block 0311, Lot 015 · ZIP 94104

McKesson Plaza

1 Post Street

  • Office building
  • 38 stories
  • 488,882 ft2
  • 23,118 ft2 lot area
  • 400 rooms
  • Zoned C3O
  • Privately owned public open space
  • Historic resource
  • Sold March 31, 2017
37.7889, −122.4026 Street View appears here once a Google Maps embed key is configured.
  1. 1969

    Built.

  2. 1969

    Aetna Life and Casualty Building, designed by Welton Becket.

    Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021
  3. 1969

    The Aetna Life and Casualty Building, 1969, by Welton Becket and Associates. Its plaza, then Crocker Plaza, was laid out by Sasaki, Walker and Associates in 1969.

    Modern Architecture and Landscape Design Context Statement, adopted 2011
  4. Jan 1982
    Permit 8200697 $$$ $20,000

    Additions alterations or repairs.

  5. Jun 1999
    Filing Permit 9999222 $$$ $140,000,000

    New construction wood frame.

  6. Dec 2006
    Permit 200612260496 $$$ $1,000,000

    Fire alarm system replacement-replace life safety devices with new life safety devices throughout the building. all floors. please reference drawings for scope of work.

  7. Sep 2017
    Issued Permit 201709259419 $$$ $762,608

    37th fl: commercial t.i. including but not limited to: new interior non-struct. partitions, floors, walls & ceiling, finishes, & restroom upgrades. new mep/engineered drawings under sep. permit. no changes to building exterior or floor plate sq ft. no existing parking in building. life safety deferred.

  8. Sep 2017
    Issued Permit 201709269541 $$$ $758,989

    36/f- commercial t.i. including but not limited to new interior non structural partitions, floor, wall, ceiling, finishes & restroom upgrades. new m.e.p. under seperate permit. no change to building. exterior or floor plate s.f. no existing parking in building.

  9. Oct 2017
    Issued Permit 201710131240 $$$ $2,100,000

    Ground level expansion to existing lobby in existing office tower, work will inlcude new finishes, lighting, mechanical, perimeter curtain wall, removal of kosk, renovation of cafe kiosk, exterior scope includes demolition & reconfiguration of existing steps and railings around plaza opening.

  10. Oct 2018
    Permit 201810112916 $$$ $1,750,000

    15, 16, 17, 18th floors -full floor demolition and abatement a5th, 16th & 17th floors.18th floor - partial abatement and full demolition.reframe some columns if abated and add soffit. add linear fixtures around & in core & exit signs. sprinkler permit 201810092503 -all floors ab-017 da deferred to ti. maher n/a.

  11. Mar 2019
    Permit 201903185564 $$$ $1,500,000

    18th fl - non structural interior ti. remodel to include partitions, flooring, ceilings, furnishings, finishes, etc. no change to other floors in building or existing egress path to street. all fire alarm and fire sprinklers shall be under separate permit. no changes to ext facade.

  12. Mar 2019
    Permit 201903185563 $$$ $1,500,000

    14th - non structural interior ti. remodel to include partitions, floorings, ceiling, furnishings, finishes, etc. no change to other floors in bld, or existing egresspath to street. all fire and struct under sep permit. no facade changes.

  13. Mar 2019
    Permit 201903185565 $$$ $1,500,000

    15th - non structural interior ti. remodel to include partitions, floorings, ceiling, furnishings, finishes, etc. no change to other floors in bld, or existing egresspath to street. all fire and struct under sep permit. no facade changes.

  14. Mar 2019
    Permit 201903185566 $$$ $1,500,000

    17th fl - non structural interior ti. remodel to include partitions, flooring, ceilings, furnishings, finishes, etc. no change to other floors in building or existing egress path to street. all fire alarm and fire sprinklers shall be under separate permit. no changes to ext facade.

  15. Mar 2019
    Permit 201903185567 $$$ $1,500,000

    16th fl - non structural interior ti. remodel to include partitions, flooring, ceilings, furnishings, finishes, etc. no change to other floors in building or existing egress path to street. all fire alarm, fire sprinklers and structural work shall be under separate permit. no changes to ext facade.

  16. Mar 2019
    Permit 201903256128 $$$ $1,500,000

    Non-structural ti on 11th fl only. remodel to include partitions, floorings, ceilings, furnishings, finishes, etc. no change to other floors in building or existing egress path to st. all fire alarm, fire sprinkler and structural shall be under sep. permit. no change to exterior facade.

  17. Mar 2019
    Permit 201903256132 $$$ $1,500,000

    Non-structural ti on 12th fl only. remodel to include partitions, floorings, ceilings, furnishings, finishes, etc. no change to other floors in building or existing egress path to st. all fire alarm, fire sprinkler and structural shall be under sep. permit. no change to exterior facade.

  18. Sep 2020
    Issued Permit 202009265096 $$$ $1,400,000

    Replace (1) 523-ton water cooled centrifugal chiller & 2 160-ton reciprocating chillers with 12 new 76.6 ton modular chillers. replace 2 existing single speed chilled water pumps with new. replace 2 existing condenser water pumps with new. demolition existing refirdgerator leak ventilation exhaust fan.

  19. Mar 2021
    Permit 202103257304 $$$ $1,304,479

    23rd fl: tenant improvement of an existing office space including new interior non-structural partitions and finishes, lighting & millwork. fire sprinkler under separate permit.

  20. Apr 2022
    Permit 202204041474 $$$ $1,200,000

    33/f: demolition of partitions, millwork, ceilings. construction of new non-structural partitions, new finishes, restroom upgrade. new plumbing, electrical and mcchanical - deferred submittal.

  21. Jun 2022
    Issued Permit 202206307453 $$$ $1,000,000

    Full floor tenant build out of offices. meeting rooms, break area. scope includes modernized restrooms. all new lighting and finishes to be installed.

  22. Oct 2023
    Permit 202310178787 $$$ $985,000

    28/f: ti to include architectural, mep to accommodate new tenant bouild-out. life safety and sprinkler under separate permit.

  23. Dec 2023
    Permit 202312223036 $$$ $851,000

    Suite 2700: ti in second generation space including non load bearing partitions, suspended ceiling, lighting, finishes and new restrooms. mechanical/electrical/plumbing submited separately.

  24. Jun 2025
    Permit 202506138672 $$$ $1,000,000

    2/f: demolish the existing 9000 sq ft tenant improvement- (2) separate tenants. new interior non-load bearing walls. new ada compliant restroom. new finishes throughout. mep deferred.

  25. Jul 2025
    Permit 202507160873 $$$ $76,543

    Demolition and construction of 6 new rooms to include new partitions, new door, frames, hardware & sidelits; new power/data, new light fixtures/switches and new finishes; demolition of partial break area millwork & reupholstering of existing booths; areas of work is limited to these rooms. mep under separate permit.

  26. Feb 2026
    Issued Permit 202602266553 $$$ $1,420,000

    Project scope is to renovate the 20th floor. of an existing building to serve as a spec suite showroom for a future business occupancy tenant. scope of work includes, selective demolition of existing interior fit out. new interior construction to include new open work space, enclosed office, accessory meeting.

  27. Feb 2026
    Issued Permit 202602266548 $$$ $1,420,000

    Project scope is to renovate the 19th floor. of an existing building to serve as a spec suite showroom for a future business occupancy tenant. scope of work includes, selective demolition of existing interior fit out. new interior construction to include new open work space, enclosed office, accessory meeting.

DBI holds 780 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 780. 27 of them are nominal $1 street-space or sidewalk permits. 1 cancelled permit is not shown.

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