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Inn At Union Square

3.5 star property

Photo gallery for Inn At Union Square

Premium bedding, pillow-top beds, in-room safe, desk
Exterior
Reception
Meeting facility
32-inch flat-screen TV with cable channels, TV

Reviews

9.2 out of 10
Wonderful

Popular amenities

  • Free Wi-Fi
  • Business services
  • Housekeeping
  • 24/7 front desk

Explore the area

View map
440 Post St, San Francisco, CA, 94102
  • Place, Union Square
    ‪1 min walk‬
  • Place, Westin St Francis Hotel Glass Elevators
    ‪2 min walk‬
  • Place, SF Masonic Auditorium
    ‪5 min walk‬
  • Airport, San Francisco, CA (SFO-San Francisco Intl.)
    ‪24 min drive‬

Room options

View all photos for Superior Room, 1 King Bed

Premium bedding, pillow-top beds, in-room safe, desk

Superior Room, 1 King Bed

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

View all photos for Superior Room, 1 Queen Bed

Premium bedding, pillow-top beds, in-room safe, desk

Superior Room, 1 Queen Bed

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

View all photos for Superior Studio, 1 King Bed

Premium bedding, pillow-top beds, in-room safe, desk

Superior Studio, 1 King Bed

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

View all photos for Superior Suite, 1 King Bed

Premium bedding, pillow-top 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 Studio, 1 Queen Bed

Premium bedding, pillow-top beds, in-room safe, desk

Superior Studio, 1 Queen Bed

9.4 out of 10
Exceptional
(23 reviews)
  • Sleeps 2
  • 1 Queen 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 Suite (Spreckels)

Premium bedding, pillow-top beds, in-room safe, desk

Suite (Spreckels)

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

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About the area

San Francisco

With a stay at Inn At Union Square in San Francisco (Union Square), you'll be steps from Union Square and 13 minutes by foot from Moscone Convention Center. .This boutique hotel is 0.6 mi (0.9 km) from San Francisco Museum of Modern Art and 1.6 mi (2.6 km) from Oracle Park.

What's nearby

  • Union Square - 1 min walk - 0.1 km
  • Westin St Francis Hotel Glass Elevators - 2 min walk - 0.2 km
  • SF Masonic Auditorium - 5 min walk - 0.4 km
  • San Francisco Museum of Modern Art - 10 min walk - 0.8 km
  • Moscone Convention Center - 11 min walk - 1.0 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

  • ‪Golden Gate Tap Room - ‬1 min walk
  • ‪7-Eleven - ‬2 min walk
  • ‪Pacific Cocktail Haven - ‬3 min walk
  • ‪Westin St Francis - Imperial Room - ‬1 min walk
  • ‪Level III - ‬2 min walk

About this property

Inn At Union Square

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.

The recreational activities listed below are available either on site or nearby; fees may apply.
Stay in one of 30 guestrooms featuring flat-screen televisions. Your pillowtop bed comes with premium bedding. Complimentary wireless internet access keeps you connected, and cable programming is available for your entertainment. Private bathrooms with showers feature designer toiletries and hair dryers.
Make use of convenient amenities such as complimentary wireless internet access, a banquet hall, and a vending machine.
A complimentary continental breakfast is served daily from 8:00 AM to 11:00 AM.
Featured amenities include a 24-hour front desk, an elevator, and a vending machine.
A complimentary continental breakfast is served each morning between 8:00 AM and 11:00 AM.

Property amenities

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

Family friendly

  • Mini-fridge

Conveniences

  • 24-hour front desk
  • Vending machine

Guest services

  • Change of bedsheets (on request)
  • Change of towels on request
  • Housekeeping (daily)
  • Proposal/romance packages

Business services

  • Meeting room

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
  • Grab bar in shower
  • Lift
  • Low-height bed
  • Wheelchair accessibility
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible path of travel

More

  • 1 building
  • 6 floors
  • Banquet hall
  • Edwardian architecture
  • Smoke-free property

Room amenities

Bedroom

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

Bathroom

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

Entertainment

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

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
Information provided by the property may be translated using automated translation tools

Access methods

Staffed front desk

Pets

Pets not allowed (service animals are welcome, and are exempt from fees)

Children and extra beds

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

Payment types

Important information

Fees

You'll be asked to pay the following charges at the property. Fees may include applicable taxes:

  • 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 have included all charges provided to us by the property.

Optional extras

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

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

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

We should mention

A car is not required for transportation to and from this property

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. 722 out of 1001 reviews
Rating 8 - Good. 175 out of 1001 reviews
Rating 6 - Okay. 58 out of 1001 reviews
Rating 4 - Poor. 19 out of 1001 reviews
Rating 2 - Terrible. 27 out of 1001 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.2/10

Property conditions & facilities

Reviews

10/10 Excellent

Calvin, Coquitlam

Liked: Cleanliness, amenities, property conditions & facilities
It was everything really. The staff, the room the ambiance, the location. Even the breakfast was good. The room was very clean and comfortable and up to date. Enjoyable stay, thanks.
Stayed 1 night in Dec 2025

10/10 Excellent

Will

Travelled with family, Travelled with group
Liked: Cleanliness, staff & service, property conditions & facilities
Having a sitting room separate from the bedroom was nice.
Stayed 2 nights in Dec 2025

8/10 Good

Thomas Michael

Travelled with partner
Liked: Cleanliness
Very nice and helpful staff. Low water pressure. Great location, very clean..
Stayed 2 nights in Dec 2025

10/10 Excellent

Sharlet

Liked: Cleanliness, staff & service, property conditions & facilities
Good sized room, we had a suite. Excellent friendly staff. Rooms clean and its location right on Union a square was excellent. Very happy and would book again.
Stayed 3 nights in Dec 2025

10/10 Excellent

Donald

Liked: Cleanliness, staff & service, amenities
The room was delightful and the staff helpful. Its location is great.
Stayed 1 night in Dec 2025

10/10 Excellent

Shelly

Travelled with family
Liked: Cleanliness, staff & service, amenities
What a wonderful hotel!! Great staff & location!! We’ll be back
Stayed 1 night in Dec 2025

10/10 Excellent

robert

Liked: Cleanliness, property conditions & facilities
Everything was perfect location staff room and that continental breakfast was delicious Thankyou
Stayed 3 nights in Dec 2025

10/10 Excellent

Tony

Liked: Cleanliness
Stayed 3 nights in Nov 2025

10/10 Excellent

Jason Douglas

Liked: Cleanliness, amenities, property conditions & facilities
Very clean and quiet room. Comfortable bed. Great location, within walking distance of a ton of bars, restaurants, coffee shops, and the BART transit stations. Will be staying here again for sure. Solid value.
Stayed 2 nights in Dec 2025

8/10 Good

Beverly

Stayed 3 nights in Dec 2025

10/10 Excellent

Vivien

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

10/10 Excellent

Cindy

Travelled with group
Liked: Cleanliness, staff & service, amenities
It was an amazing place to stay!!!!
Stayed 3 nights in Dec 2025

10/10 Excellent

Brooke

Friendly, cozy, unique and a great value.
Stayed 1 night in Dec 2025

10/10 Excellent

John

Stayed 3 nights in Dec 2025

10/10 Excellent

Amal

Stayed 1 night in Nov 2025

10/10 Excellent

Adrian

Travelled with partner
Liked: Cleanliness, amenities, property conditions & facilities
The room was spotless the staff was very friendly and accommodating. The price was way better than I could have ever expected and it's in walking distance to shopping and SFMOMA!! Also less than a block away from secured overnight parking!! Can't wait to go back!! Thanks for you hospitality!!
Stayed 2 nights in Dec 2025

10/10 Excellent

Sibylle

Liked: Cleanliness, amenities, property conditions & facilities
Room was clean. Staff was very nice. Breakfast was good, too!
Stayed 4 nights in Dec 2025

10/10 Excellent

a j

Liked: Cleanliness, staff & service, amenities
A lovely little hotel with a friendly staff, clean rooms, and a great location.
Stayed 3 nights in Nov 2025

6/10 Okay

Von

Travelled with family
Liked: Cleanliness
Disliked: Amenities, property conditions & facilities
The location is excellent for this hotel, my wife and I stayed there during the Thanksgiving holiday of 2025, and we were both excited about touring and sightseeing the beautiful city of San Francisco Upon arrival we were greeted by the front desk person which was very cordial, but at the end of our check-in, she said she had bad news for us, and the bad news was that they’re elevator was not working and more than likely would not work during the duration of our stay. We were originally set to have a room on the fifth floor, but as a person with two knee replacements, hiking five floors to come and go from a hotel room is a little bit of a challenge. I immediately asked to be upgraded due to our inconvenience and be placed on a lower floor, which they were able to accommodate. The room was spacious clean well kept however our showers water pressure was very, very low and it struggled to get hot enough. The non working elevator actually hampered the comings and goings as having to climb stairs (narrow staircase, and in one area, a short ceiling where I bumped my head twice) to come or go from the hotel room to do anything was work. Overall, my wife and I still enjoyed San Francisco, but it wasn’t our ideal trip and I hope that the end that you square does resolve a few of these issues so that future guests won’t have these inconveniences to disrupt inconvenience their vacation.
Stayed 4 nights in Nov 2025

2/10 Terrible

Anthony

Disliked: Amenities, property conditions & facilities
Staff nice and helpful. Hotel very outdated, broken elevator, broken in room coffee maker, low water pressure, mix match decor, outdated heating, cold, and cramped. Switched hotel after one night.
Stayed 3 nights in Nov 2025

8/10 Good

Stephanie

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Room was very clean, staff was very friendly! Breakfast had limited options, not as varied and for some reason sink would take long to drain.
Stayed 3 nights in Nov 2025

10/10 Excellent

tiffany

Liked: Cleanliness, staff & service
Clean rooms and amazing staff
Stayed 1 night in Nov 2025

6/10 Okay

Maricelli Delgado, Tampa

Liked: Cleanliness
Disliked: Amenities
It was an issue with not having the elevator operating. They need to improve their maintenance schedule or inspection dates on time to avoid having guests going up and down the stairs with their luggage
Stayed 5 nights in Nov 2025

10/10 Excellent

Sarah

Business traveller
Liked: Cleanliness, amenities, property conditions & facilities
wonderful space, quit and clean - loved this space.
Stayed 2 nights in Nov 2025

8/10 Good

Sherry

Liked: Cleanliness, staff & service, amenities
Everyone was helpful and very nice. The room was good and the location great,
Stayed 2 nights in Nov 2025