Hotel Union

811 Geary St Ste 100, San Francisco, California, 94109
134,500
Sq ft event space
21
Meeting rooms
8,966
MAX Capacity
1921
Guest rooms

Hotel Union is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 134500 sq ft of flexible event space across 21 configurable rooms, we bring your vision to life with an experienced in-house events team.

Our dedicated coordinators, award-winning catering team, and state-of-the-art audio-visual capabilities ensure every detail is flawless — from the first site visit to the final dance.

Guest rooms

1921 rooms available for individual stays and discounted room blocks.

Standard Room

Standard Room

Meeting & event space

134500 sq ft across 21 configurable rooms. Tap a room for capacities and setups.

Meeting Room 1

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Meeting Room 2

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Meeting Room 3

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Meeting Room 4

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Meeting Room 5

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Meeting Room 6

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Meeting Room 7

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Meeting Room 8

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Meeting Room 9

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Meeting Room 10

5000 ·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception

Key amenities

Everything available on-site for your event and guests.

Location & transportation

811 Geary St Ste 100, San Francisco, California, 94109

AI