Hilton San Francisco Union Square

333 O'Farrell Street, San Francisco, CA
Capacity: 20,031 people

About Hilton San Francisco Union Square

From boardroom meetings to massive international conferences, we cater to events of all sizes with a variety of modern and customizable meeting spaces. Our innovative team of event planners, caterers and award-winning banquet chefs will work closely with you to ensure your event is the talk of the town.

Event Spaces

Continental Ballroom
Continental Ballroom 4
Continental Ballroom 5
Continental Ballroom 6
Continental Parlor 1
Continental Parlor 2
Continental Parlor 3
Continental Parlor 7
Continental Parlor 8
Continental Parlor 9
Executive Board Room
Franciscan Room
Franciscan Room A
Franciscan Room B
Franciscan Room C
Franciscan Room D
Grand Ballroom
Grand Ballroom A
Grand Ballroom B
Grand Ballroom Foyer
Green Room
Imperial Ballroom
Imperial Ballroom A
Imperial Ballroom B
Lombard Room
Marina Room
Mason Room
Mason Room A
Mason Room B
Plaza Room
Plaza Room A
Plaza Room B
Powell Room
Powell Room A
Powell Room B
Presidio Room
Seacliff Room
Sunset Room
Sutter Room
Sutter Room A
Sutter Room B
Taylor Room
Taylor Room A
Taylor Room B
Union Square 1
Union Square 1 & 2
Union Square 10
Union Square 11
Union Square 12
Union Square 13
Union Square 14
Union Square 15
Union Square 15 & 16
Union Square 16
Union Square 17
Union Square 17 & 18
Union Square 18
Union Square 19
Union Square 19 & 20
Union Square 2
Union Square 20
Union Square 21
Union Square 22
Union Square 23
Union Square 23 & 24
Union Square 24
Union Square 25
Union Square 3
Union Square 3 & 4
Union Square 4
Union Square 5
Union Square 5 & 6
Union Square 6
Union Square 7
Union Square 8
Union Square 9
Van Ness Room
Yosemite Room
Yosemite Room A
Yosemite Room B
Yosemite Room C
Neighborhood
Venue Types
Amenities
  • On-Site Catering Service
  • Outdoor Pool
  • Wireless Internet/Wi-Fi
Features
  • Max Number of People for an Event: 20031
  • Total Meeting Room Space (Square Feet): 134,500