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Inn At Union Square

3.5 star property
3.5-star boutique hotel near Moscone Convention Center

Choose dates to view prices

Photo gallery for Inn At Union Square

Premium bedding, pillowtop beds, in-room safe, desk
Suite (Spreckels) | Living area
Meeting facility
Reception
32-inch flat-screen TV with cable channels, TV

Popular amenities

  • Housekeeping
  • 24/7 front desk
  • Free WiFi
  • Business services

Explore the area

Map
440 Post St, San Francisco, CA, 94102
  • Union Square
    ‪1 min walk‬
  • Moscone Convention Center
    ‪13 min walk‬
  • Oracle Park
    ‪3 min drive‬
  • San Francisco, CA (SFO-San Francisco Intl.)
    ‪18 min drive‬

Room options

View all photos for Superior Studio, 1 Queen Bed

Premium bedding, pillowtop beds, in-room safe, desk

Superior Studio, 1 Queen Bed

9.4 out of 10
Exceptional
(20 reviews)
  • Sleeps 2
  • 1 Queen Bed

View all photos for Suite (Spreckels)

Premium bedding, pillowtop beds, in-room safe, desk

Suite (Spreckels)

10.0 out of 10
Exceptional
(4 reviews)
  • Sleeps 2
  • 1 King Bed

View all photos for Superior Room, 1 King Bed, Accessible

Superior Room, 1 King Bed, Accessible

Superior Room, 1 King Bed, Accessible

9.4 out of 10
Exceptional
(12 reviews)
  • Sleeps 2
  • 1 King Bed

View all photos for Superior Room, 1 King Bed

Premium bedding, pillowtop beds, in-room safe, desk

Superior Room, 1 King Bed

9.6 out of 10
Exceptional
(33 reviews)
  • Sleeps 2
  • 1 King Bed

View all photos for Superior Studio, 1 King Bed

Premium bedding, pillowtop beds, in-room safe, desk

Superior Studio, 1 King Bed

9.6 out of 10
Exceptional
(11 reviews)
  • Sleeps 2
  • 1 King Bed

View all photos for Superior Suite, 1 King Bed

Premium bedding, pillowtop beds, in-room safe, desk

Superior Suite, 1 King Bed

9.8 out of 10
Exceptional
(12 reviews)
  • Sleeps 2
  • 1 King Bed

View all photos for Superior Room, 1 Queen Bed

Premium bedding, pillowtop beds, in-room safe, desk

Superior Room, 1 Queen Bed

9.2 out of 10
Wonderful
(116 reviews)
  • Sleeps 2
  • 1 Queen Bed

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About the area

San Francisco

Union Square stay.At this Union Square hotel, you'll be steps from Union Square and within a 15-minute walk of Moscone Convention Center. Oracle Park and Pier 39 are also within 2 miles (3 km).

What's nearby

  • Union Square - 1 min walk - 0.0 km
  • Moscone Convention Center - 13 min walk - 1.1 km
  • Oracle Park - 3 min drive - 2.5 km
  • Lombard Street - 3 min drive - 2.2 km
  • Pier 39 - 3 min drive - 2.9 km

Getting around

  • Powell St & Post St Stop - 1 min walk
  • San Francisco Station - 2 min drive
  • San Francisco Intl. Airport (SFO) - 30 min drive

Restaurants

  • ‪Union Square - ‬2 min walk
  • ‪Golden Gate Tap Room - ‬2 min walk
  • ‪McDonald's - ‬3 min walk
  • ‪Pacific Cocktail Haven - ‬3 min walk
  • ‪Shelton Theater - ‬2 min walk

About this property

Inn At Union Square

3.5-star boutique hotel near Moscone Convention Center
Free breakfast is available daily. WiFi is free in public spaces.

This 3.5-star San Francisco hotel is smoke free.

  • 1 building
  • 30 guestrooms or units
  • 6 levels
  • Continental breakfast (free)
  • Front desk (24 hours)
  • Elevator
  • No smoking on site
  • 1 conference room
Inn At Union Square offers 30 accommodations with laptop-compatible safes and coffee/tea makers. Pillowtop beds feature premium bedding. 32-inch flat-screen televisions come with premium cable channels. Bathrooms include showers, bathrobes, designer toiletries, and complimentary toiletries.

This San Francisco hotel provides complimentary wireless Internet access, with a speed of 100+ Mbps (good for 1–2 people or up to 6 devices). Business-friendly amenities include desks and phones. Additionally, rooms include hair dryers and irons/ironing boards. Hypo-allergenic bedding, change of towels, and change of bedsheets can be requested. Housekeeping is provided daily.

Languages

English

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The price is CA $135
CA $159 total
includes taxes & fees
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Property amenities

Family friendly

  • Mini-fridge

Internet

  • Available in all rooms: Free WiFi
  • In-room WiFi speed: 100+ Mbps (good for 1–2 people or up to 6 devices)
  • Available in some public areas: Free WiFi

Food and drink

  • Free continental breakfast available daily 8:00 AM to 11:00 AM

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Braille/raised signage
  • Elevator
  • Grab bar in shower
  • Low-height bed
  • Wheelchair accessibility
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible path of travel

Room amenities

Entertainment

  • 32-inch flat-screen TV with premium cable channels

Bedroom

  • Blackout drapes
  • Hypo-allergenic bedding
  • Pillowtop mattress
  • Premium bedding

Bathroom

  • Bathrobes
  • Designer toiletries
  • Hair dryer
  • Private bathroom
  • Shower
  • Toothbrush and toothpaste (on request)
  • Towels provided

Food and drink

  • Coffee/tea maker
  • Mini-fridge

More

  • Desk
  • Iron/ironing board
  • Laptop-compatible safe
  • Phone

Policies

Check-in

Check-in start time: 4:00 PM; Check-in end time: 11:00 PM
Early check-in subject to availability
Early check-in is available for a fee
Contactless check-in available
Late check-in subject to availability
Minimum check-in age: 18

Check-out

Check-out before 11:00 AM
Contactless check-out available
Late check-out subject to availability
A late check-out fee will be charged

Special check-in instructions

Front desk staff will greet guests on arrival at the property
If you are planning to arrive after noon please contact the property in advance using the information on the booking confirmation

Access methods

Staffed front desk

Pets

  • No pets allowed, but service animals are welcome

Children and extra beds

  • Children are welcome.
  • Rollaway/extra beds are not available.
  • Cribs (infant beds) are not available.

Property payment types

Important information

Fees

Guests will be asked to pay the following charges at the property:

  • Deposit: USD 200 per accommodation, per stay
  • Resort fee: USD 25 per accommodation, per night
The resort fee includes:
  • Faxes
  • Housekeeping
  • In-room coffee
  • In-room safe
  • Phone calls

We've listed all charges provided to us by the property.

Optional extras

The fees and deposits listed below will be charged at the time of service, check-in, or check-out.

  • Early check-in is available for a fee (subject to availability)
  • Late check-out is available for a fee (subject to availability)

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
The name on the credit card used at check-in to pay for incidentals must be the primary name on the guestroom reservation
This property accepts credit cards; cash is not accepted
Cashless transactions are available
Safety features at this property include a carbon monoxide detector, a fire extinguisher, a smoke detector, and a security system
Charges for extra guests may apply and vary according to property policy.
A credit card for incidental charges and government-issued photo identification may be required upon check-in.
Special requests are subject to availability at the time of check-in. Special requests can't be guaranteed and may incur additional charges.
    This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession. The name on the credit card used at check-in to pay for incidentals must be the primary name on the guestroom reservation. This property accepts Visa, Mastercard, American Express, Discover, and Eurocard. Cash is not accepted. 
    For guests' safety, the property includes a carbon monoxide detector, a fire extinguisher, a smoke detector, and a security system in each accommodation. Cashless payment methods are available for all transactions.

Property is 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
Inn At Union Square Hotel
Inn At Union Square San Francisco
Inn At Union Square A Greystone Hotel
Inn At Union Square Hotel San Francisco

Inn At Union Square Reviews

Reviews

9.2

Wonderful

Rating 10 - Excellent. 741 out of 1002 reviews
Rating 8 - Good. 172 out of 1002 reviews
Rating 6 - Okay. 52 out of 1002 reviews
Rating 4 - Poor. 19 out of 1002 reviews
Rating 2 - Terrible. 18 out of 1002 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.2/10

Property conditions & facilities

9.0/10

Eco-friendliness

Reviews

10/10 Excellent

Souad

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
great friendly hotel in a good location
Stayed 5 nights in Jul 2025

6/10 Okay

Jeffrey

Stayed 1 night in Jun 2025

8/10 Good

Franz

Liked: Cleanliness, staff & service, property conditions & facilities
Good hotel but limited street access
Stayed 1 night in Apr 2025

10/10 Excellent

Jennifer, Sacramento

Travelled with partner
Liked: Cleanliness, amenities
I love this hotel. The rooms are large. Quiet considering where it is located. Very nice staff. Great continental breakfast.
Stayed 1 night in Apr 2025

10/10 Excellent

Michael, Las Vegas

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very nice hotel steps away from Union Square. Staff was very friendly and helpful.
Stayed 3 nights in Apr 2025

10/10 Excellent

Sewon

Stayed 3 nights in Apr 2025

10/10 Excellent

Xavier

Liked: Cleanliness, staff & service, property conditions & facilities
.
Stayed 2 nights in Apr 2025

10/10 Excellent

Saurabh

Stayed 1 night in Mar 2025

10/10 Excellent

Midhuna

Liked: Cleanliness
Stayed 1 night in Apr 2025

10/10 Excellent

Jennifer, Palos Verdes Estates

Business traveller
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Friendly staff cute property
Stayed 1 night in Apr 2025

10/10 Excellent

Nicole

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Cute hotel

Super cute hotel! It’s a small hotel and no on site parking but for a couple of adults it was perfect for us
Stayed 2 nights in Apr 2025

10/10 Excellent

Bob

Liked: Cleanliness, property conditions & facilities, room comfort
Great place to stay...great location. Charming place...just what we needed.
Stayed 1 night in Apr 2025

10/10 Excellent

Michael

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great spot def recommend!
Stayed 1 night in Apr 2025

10/10 Excellent

Verified traveller

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Very pleasant hotel with a great location.
Stayed 1 night in Apr 2025

10/10 Excellent

Nicole

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
No parking on site but they work with a close by 24/7 parking garage
Stayed 2 nights in Apr 2025

10/10 Excellent

Eddie

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 1 night in Apr 2025

10/10 Excellent

Jenifer

Travelled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The Inn at Union Square is a gem! Conveniently located, well maintained, and very accommodating staff. Room and bathroom were spotless, and the bed was comfortable. The size of the room is just right especially if you’re spending most of your time out and about. Would highly recommend.
Stayed 3 nights in Apr 2025

4/10 Poor

Hans

Stayed 2 nights in Mar 2025

10/10 Excellent

Sierra

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
I loved my hotel room.
Stayed 5 nights in Mar 2025

6/10 Okay

Margaret

Stayed 1 night in Mar 2025

10/10 Excellent

Fabien

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
The room was perfect. Large and clean.
Stayed 3 nights in Mar 2025

10/10 Excellent

Jordan

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Loved the Decor
Stayed 1 night in Mar 2025

10/10 Excellent

Robert

Travelled with family
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Excellent place to stay,
Stayed 1 night in Mar 2025

10/10 Excellent

Mehrdad

Liked: Cleanliness, staff & service, property conditions & facilities
Everything was good and we had a great stay!
Stayed 1 night in Mar 2025

10/10 Excellent

Stefano

Stayed 5 nights in Mar 2025