San Francisco Hotels at Union Square San Francisco Marriott Union Square

Floor Plans & Capacity Chart

Floor Plans

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Capacity Chart

An overview of our event spaces View Capacity Chart

Planning Tools

Planning Guide & Tools

San Francisco Marriott® Union Square

480 Sutter Street San Francisco, California 94108 USA

  • Phone:  1-415-398-8900
  • Fax :  1-415-989-8823
  • Sales:  1-415-273-4000
  • Toll-free:  1-866-912-0973

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Reservations by Phone

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

Contact us for Assistance

  • Sales phone:
  • 1-415-273-4000
  • Sales fax:
  • 1-415-398-5981

Or, contact your nearest global sales office.

Free Meeting & Event Estimates

Submit RFP for event space and/or more than 25 guest rooms at this hotel

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