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JW Marriott San Francisco Union Square

515 Mason Street  San Francisco  California  94102  USA 

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(proof of eligibility required at check-in)

About special rates and awards

To make reservations by phone, call 1-800-228-9290 in the USA and Canada (or any of our worldwide reservation telephone numbers).

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JW Marriott San Francisco Union Square

  • 515 Mason Street
  • San Francisco, California 94102 USA

JW Marriott San Francisco Union Square

  • 515 Mason Street
  • San Francisco, California 94102 USA

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