37.7866, −122.3930 A locator map appears here once a Mapbox token is configured.
Know This Place

District 6 · Block 3748, Lot 031 · ZIP 94105

Sailors' Union of the Pacific Building

450 Harrison Street

  • Building
  • 3 stories
  • 28,527 ft2 lot area
  • 58 rooms
  • 16 bathrooms
  • Zoned RC-4
  • Historic resource
  • Landmark designation work program (Article 10)
37.7866, −122.3930 Street View appears here once a Google Maps embed key is configured.
  1. 1945

    Built after 1945, the Sailors Union of the Pacific building fell outside the Heritage survey's pre-1945 scope and went unrated.

    San Francisco Department of City Planning, The Rincon Hill Plan: Environmental Impact Report — Draft Summary of Responses to Comments, 1985.
  2. 1949

    Built.

  3. 1950

    The Sailors’ Union of the Pacific Building, designed by architect William Gladstone Merchant.

    Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021
  4. 1975

    Sailor's Union Hall, where the 1975 gay softball season ended with a party.

    Donna J. Graves and Shayne E. Watson, Citywide Historic Context Statement for LGBTQ History in San Francisco, San Francisco Planning Department, adopted by the Historic Preservation Commission November 18, 2015
  5. 1976

    The Sailors' Union of the Pacific received a rating of "4" in the 1976 citywide architectural survey.

    San Francisco Department of City Planning, The Rincon Hill Plan: Draft Environmental Impact Report, 1984.
  6. 1985

    The Sailors Union of the Pacific headquarters was among the Rincon Hill buildings the city's 1984 plan encouraged be preserved.

    San Francisco Department of City Planning, The Rincon Hill Plan: Environmental Impact Report — Draft Summary of Responses to Comments, 1985.
  7. Dec 1996
    Permit 9624820 $$$ $30,000

    Construct 9 antennas (3 are for future).

  8. Jul 1997
    Permit 9712172 $$$ $35,000

    Horizontal addition.

  9. Sep 2001
    Permit 200109289535 $$$ $48,000

    Wireless communication facility/antenna to be flush mounted on the roof parapet in 3 different lctn.

  10. Jul 2011
    Permit 201107120011 $$$ $125,000

    Install an unmanned at&t wireless telecommunication facility consisting of 9 panel antennas and 5 rbs cabinets on roof. pid-200558848, bid-200722063.

  11. Jul 2012
    Permit 201207195265 $$$ $45,000

    6 existing panel antennas will be removed and replaced by 3 new panel antennas. 3 equipment cabinets will be removed and replaced by 2 new equipment cabinets. rru and fiber install.

  12. Nov 2013
    Permit 201311141909 $$$ $615,000

    Temporary shoring & excavation to accomodate new construction at adjacent property 340 fremont st. site permit approved under permit application 2005/09/19/3271-s. ** maher: compliance with ordinance no# 155-13 not required **.

  13. Jun 2014
    Issued Permit 201406178666 $$$ $41,237

    Reroofing.

  14. Sep 2015
    Permit 201509258044 $$$ $15,000

    Install new microwave dish antenna with horizon duo, new cable tray & cable from equip cabinet to antenna. install tripod on roof for antenna. remove old dish antenna.

  15. Dec 2015
    Permit 201512044240 $$$ $25,000

    Roof: modification to an existing t-mobile wireless telecomm facility consisting of: removing 4 existing antennas and mounts on building facade, relocating 2 existing antennas from lower facade to upper roof; installation of 5 new antennas behind (2) new frp screens on upper roof and installation of (3) new rru.

  16. Jul 2016
    Permit 201607283676 $$$ $20,000

    Att modification: r&r 7 existing antennas with 7 new antennas; r&r 3 existing rrus with 3 new rrus; install 3 new rrus s-32 and minor equipment. maher na.

  17. Apr 2018
    Permit 201804055647 $$$ $15,000

    At&t - swap 9 antennas, install 9 ttus, r&r 1 gpd antenna.

  18. Aug 2018
    Withdrawn Permit 201808177722 $$$ $25,000

    T mobile: swap one antenna, add 2 antennas, install 6 d c conductors.

  19. Mar 2019
    Permit 201903286528 $$$ $25,000

    Removal and replacement of antennas. removal and replacement of remote radio units. installation of new baseband and removal of existing diplexers @ equip.

  20. Nov 2021
    Issued Permit 202111092063 $$$ $40,000

    Modification of an existing wireless unmanned telectommunication facility. removing and replacing 6 existing antennas, relocating 3 existing radio 4449 units from equipment shelter to antennas, installing 13 new 4408 redio units for cbrs. installing 3 nw radio 8863 units, at antennas, installing 3 nw filters.

  21. Jan 2024
    Permit 202401043404 $$$ $75,000

    At&t modification of unmanned telecom facility consisting of the following: r&r (6) antenna; relocate (1) antenna; remove (3) relocate & install (8) rrus; 3 pipe masts; 3 df0; frp 8'screen for sector b&c antennas; new rf safety signs; remove (1) cabinet; r&r (1) power plant; install (12) rectifiers.

  22. May 2024
    Issued Permit 202405293191 $$$ $55,000

    T-mobile: remove (4)existing antennas; install (3)new antennas; remove (2)existing cabinets; install (2)new cabinets; isntall (12)new batteries; install new electrical ppc.

DBI holds 49 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 49. 3 of them are nominal $1 street-space or sidewalk permits. 9 expired or cancelled permits are not shown. The assessor's roll gives 1949; this address is recorded as built 1950.

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