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Inn At Union Square - A Greystone Hotel, San Francisco

3.5-star3.5 stars
440 Post StSan FranciscoCA94102United States of America

Boutique hotel within walking distance of Westfield San Francisco Centre
  • Free continental breakfast and free WiFi
Delicious food
Good internet service
Tasty breakfast
Great room
324See all 324 reviews
From 1,748 reviewsTripAdvisor Traveller Rating

Inn At Union Square - A Greystone Hotel, San Francisco

from $239
  • Superior Studio 1 King
  • Superior Room, 1 Queen Bed
  • Superior Room, 1 King Bed
  • Superior Suite, 1 King Bed
  • Superior Studio, 1 Queen Bed

About Inn At Union Square - A Greystone Hotel, San Francisco

Inn At Union Square - A Greystone Hotel is a smoke-free hotel located in San Francisco, Calif., one-half block from Union Square. The hotel stands within five blocks of the Financial District, the Museum of Modern Art and the Moscone Convention Center. Coit Tower and North Beach are located one mile away.

Hotel Features.
The smoke-free Inn At Union Square - A Greystone Hotel serves complimentary continental breakfasts that include freshly baked croissants. Wireless Internet access is complimentary throughout the hotel. A business center provides complimentary high-speed Internet access and print services. Front desk staff provides concierge services. The hotel offers discounted passes to a nearby fitness center. Valet parking is available for a fee. Cats and small dogs are considered with refundable fees required.

The six-story Inn at Union Square offers 30 guestrooms with 32-inch, flat-screen televisions and complimentary wireless Internet access. Rooms are individually decorated and feature furnishings with textured fabrics in hues of sage, cream and gold. Beds are triple sheeted and are topped with down pillows. Laptop-compatible, in-room safes are complimentary. Bathrooms are stocked with Aveda bath products and feature terry-cloth bathrobes. Rooms are not air conditioned, but windows open.


At a glance

Key facts

Hotel size

  • This hotel has 30 rooms
  • This hotel is arranged over 6 floors


  • Check-in time starts at 3 PM
  • Check-out time is noon

Required at check in

  • Credit card or cash deposit required

  • Government-issued photo ID required

Travelling with others


  • No cribs (infant beds)


  • Pets not allowed


  • Free WiFi in public areas

  • Free WiFi in rooms



  • Valet parking *

Other information

  • Smoke-free property
* See small print for additional details or extra charges

In the hotel

Food and drink
  • Free continental breakfast daily
  • Free reception
  • Coffee/tea in a common area
Things to do
  • Use of nearby fitness center (discount)
  • Bicycle rentals nearby
Working away
  • Business center
  • 24-hour front desk
  • Concierge services
  • Tours/ticket assistance
  • Limo or Town Car service available
  • Dry cleaning/laundry service
  • Free newspapers in lobby
  • Luggage storage
  • Wedding services
  • Multilingual staff
  • Porter/bellhop
  • Number of buildings/towers - 1
  • Elevator/lift
  • Safe-deposit box at front desk
  • Fireplace in lobby
  • Accessible bathroom
  • In-room accessibility
  • Roll-in shower

In the room

Home comforts
  • Ceiling fan
  • Coffee/tea maker
  • Bathrobes
  • Slippers
  • Iron/ironing board
Sleep well
  • Hypo-allergenic bedding available
  • Blackout drapes/curtains
  • Turndown service
  • Premium bedding
  • Pillowtop mattress
Things to enjoy
  • In-room massage available
Freshen up
  • Private bathroom
  • Shower only
  • Designer toiletries
  • Hair dryer
Be entertained
  • 32-inch flat-screen TV
  • Premium TV channels
  • Tablet computer
Stay connected
  • Desk
  • Free weekday newspaper
  • Free WiFi
  • Phone
Food and drink
  • Refrigerator (on request)
  • Free bottled water
  • Daily housekeeping
  • In-room safe (laptop compatible)

Inn At Union Square - A Greystone Hotel, San Francisco’s small print

Also known as

  • Inn Union Square
  • Union Square Inn
  • The Inn At Union Square Hotel San Francisco
  • Inn Union Square Greystone Hotel San Francisco
  • Inn Union Square Greystone Hotel
  • Union Square Greystone San Francisco


Additional policies apply to bookings reserved by persons under the age of 18. For more details, contact the property using the information provided after booking.

Optional extras

Valet parking costs USD 53.00 per day

We have included all charges provided to us by this hotel. However, charges can vary, for example, based on length of stay or the room you book.

What’s around Inn At Union Square - A Greystone Hotel, San Francisco


  • In Downtown San Francisco
  • Lombard Street - 32 min walk
  • Pier 39 - 34 min walk
  • Alcatraz Island - 45 min walk
  • Westfield San Francisco Centre - 6 min walk
  • San Francisco Museum of Modern Art - 11 min walk
  • TransAmerica Pyramid - 16 min walk
  • Asian Art Museum of San Francisco - 17 min walk

Getting around

  • San Francisco, CA (SFO-San Francisco Intl.) - 26 min drive
  • Oakland, CA (OAK-Oakland Intl.) - 32 min drive
  • Hayward, CA (HWD-Hayward Executive) - 33 min drive
  • Concord, CA (CCR-Buchanan Field) - 38 min drive
  • Novato, CA (NOT-Gnoss Field) - 47 min drive
  • San Francisco 4th and King Station - 24 min walk
  • San Francisco 22nd Street Station - 11 min drive
  • San Francisco Bayshore Station - 14 min drive
  • Powell St. Station - 6 min walk
  • Montgomery St. Station - 8 min walk
  • Civic Center Station - 15 min walk
  • Valet parking (surcharge)

Recent reviews

Superb 9.2 From 324 reviews

Inn At Union Square - A Greystone Hotel, San Francisco
Beautiful, small, clean with character
Beautiful, renovated hotel with interesting and thoughtful decorative touches. Very very clean, no issues with allergies or mold. Everyone there was so kind and breakfast was an added plus. Highly recommend
Christopher, us2 night trip
Inn At Union Square - A Greystone Hotel, San Francisco
Super great experience. Cool property, cozy sitting areas on each floor and nice breakfast room. Afternoon wine and cheese was a very good treat. Room was comfy and clean. Staff was great. Greeted us with champagne at checkin. Didn’t want to leave...
Paolo, us1 night trip
Inn At Union Square - A Greystone Hotel, San Francisco
A real gem!
A true gem in the heart of the Financial district. My boyfriend and I were blown away at the quality and service that The Inn provided. I won't ever stay anywhere else when traveling to San Fran.
Mollie, us3 night trip
Inn At Union Square - A Greystone Hotel, San Francisco
Best kept secret!
Best Stay in SF we have ever had! Location was convenient. Personal attention was fabulous! Definitely will stay in a suite again!
Rebecca, us2 night trip
Inn At Union Square - A Greystone Hotel, San Francisco
Very Good8.0
Nice stay in heart of SF.
Great stay. Loved the room. Very quiet. Good location. Breakfast was okay, not great as there were only a few protein options. Valet parking kind of expensive but service was good. One issue on the last day, called the hotel to retrieve car but no one answered for about 30 minutes. Desk isn’t actually manned 24/7 because the staff take breaks and no one left to cover. I can imagine worse scenarios regarding this but we were just inconvenienced. I’d return for sure.
Robert, us2 night trip

See all reviews

Inn At Union Square - A Greystone Hotel, San Francisco

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