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Inn At Union Square

3.5 star property
VIP Access

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Photo gallery for Inn At Union Square

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

Reviews

9.2 out of 10
Wonderful

Popular amenities

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

Explore the area

View in a 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
VIP Access
Curated for quality and service, VIP Access stays consistently receive our highest guest ratings.
  • Expect exceptional service
  • Extra savings and perks for Rewards members
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Room options

View all photos for Superior Room, 1 King Bed

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

Superior Room, 1 Queen Bed

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

View all photos for Superior Studio, 1 King Bed

Premium bedding, pillowtop 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, 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 Studio, 1 Queen Bed

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

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, pillowtop beds, in-room safe, desk

Suite (Spreckels)

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

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Hilton San Francisco Union Square

About the neighborhood

San Francisco

Located in Union Square, Inn At Union Square is adjacent to Union Square and within a 10-minute walk of other popular attractions like Palace Hotel. The 30 rooms at this 3.5-star hotel include coffee makers and flat-screen TVs and guests can enjoy free breakfast.

What's nearby

  • Union Square - 1 min walk - 0.1 miles
  • Westin St Francis Hotel Glass Elevators - 2 min walk - 0.1 miles
  • SF Masonic Auditorium - 5 min walk - 0.3 miles
  • San Francisco Museum of Modern Art - 10 min walk - 0.5 miles
  • Moscone Convention Center - 11 min walk - 0.6 miles

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

Guests of Inn At Union Square enjoy free WiFi in public areas, a meeting room, and a banquet hall. The 24-hour front desk has staff always at the ready. This boutique hotel also has a vending machine.
32-inch flat-screen TVs come with cable channels, and guests can stay connected with free WiFi. Bathrooms offer hair dryers and designer toiletries, and pillowtop beds with premium bedding ensure a restful night. Other amenities include coffee makers, laptop-compatible safes, and phones. Change of towels is available on request.
The recreational activities listed below are available either on site or nearby; fees may apply.

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Total with taxes and fees
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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
  • Elevator
  • Grab bar in shower
  • Low-height bed
  • Wheelchair accessibility
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible path of travel

More

  • 1 building
  • 6 floors
  • Banquet hall
  • Edwardian architecture
  • Smoking not allowed

Room amenities

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

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

  • Service animals exempt from fees

Property payment types

Important information

Fees

You'll be asked to pay these 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

These are all of the charges provided to us by the property.

Optional extras

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

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

This list may not be comprehensive. Fees and deposits might 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
  • Check-in: 4:00 PM—-11:00 PM
  • Check-out: 11:00 AM
  • Minimum check-in age: 18
The front desk is open 24 hours a day.

We should mention

Details about charges, deposits, or other important information:

  • This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession.
  • Charges for extra guests may apply and vary depending on the property's policy.
  • A credit card for incidental charges and a government-issued photo ID may be required at check-in.
  • Special requests are subject to availability at the time of check-in and can't be guaranteed. Certain requests may come with additional charges.
  • This property accepts credit cards. Cash is not accepted. 
  • The credit card used at check-in for incidentals must be in the name of the primary guest who made the reservation.
  • Onsite safety features include a carbon monoxide detector, a fire extinguisher, a smoke detector, and a security system.
  • Cashless payment methods are available for all transactions.

Additional information about polices, regulations, and more:

  • No cribs or infant beds are available.
  • No rollaway or extra beds are available.

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

Frequently asked questions

Are free cancellation options available at Inn At Union Square?

Inn At Union Square offers free cancellation on certain room rates. For more details, review the cancellation policy on Orbitz.

How much does it cost to stay at Inn At Union Square?

As of Mar 26, 2026, prices found for a 1-night stay for 2 adults at Inn At Union Square on Apr 21, 2026 start from $162, including taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

What can I see near Inn At Union Square?

This hotel is situated in Union Square within a 10-minute walk of Union Square and Palace Hotel. You'll also find Oracle Park and San Francisco Bay within a short drive.

Is parking available on site at Inn At Union Square?

No, this hotel doesn't offer parking.

Does Inn At Union Square have a casino at the property?

No, Inn At Union Square doesn't have a casino.

Is there an indoor pool at Inn At Union Square?

No, there is no indoor pool at this hotel.

Is Inn At Union Square good for couples?

Amenities that appeal to couples at this boutique hotel include premium bedding and bathrobes along with proposal/romance packages.

Does Inn At Union Square have a hot tub?

No, this hotel doesn't have a spa tub.

Does Inn At Union Square have a restaurant with a breakfast menu?

Inn At Union Square offers free continental breakfast each morning though there is no restaurant.

Does Inn At Union Square allow pets to stay for free?

No, pets aren't allowed at Inn At Union Square though service animals are welcome.

Does Inn At Union Square have connecting rooms available?

No, there aren't connecting guestrooms at this hotel.

What is the closest airport to Inn At Union Square?

The closest major airport to Inn At Union Square is Oakland Intl. Airport (OAK), which is 19.4 mi away (38 minutes by car). Another top airport is San Francisco Intl. Airport (SFO), which is located 14.3 mi away (30-minute drive).

Are there rooms with balconies that I can book at Inn At Union Square?

No, you won't find guestrooms with balconies at Inn At Union Square.

Inn At Union Square Reviews

Reviews

9.2

Wonderful

Rating 10 - Excellent. 719 out of 1002 reviews
Rating 8 - Good. 176 out of 1002 reviews
Rating 6 - Okay. 58 out of 1002 reviews
Rating 4 - Poor. 22 out of 1002 reviews
Rating 2 - Terrible. 27 out of 1002 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.2/10

Property conditions & facilities

Reviews

8/10 Good

Charmaine Louise

Liked: Cleanliness, amenities, property conditions & facilities
Its ok
Stayed 3 nights in Jan 2026

10/10 Excellent

Andrea

Liked: Cleanliness, property conditions & facilities
Lovely place! Clean and tidy, very nice housekeepers :)
Stayed 1 night in Nov 2025

10/10 Excellent

Jorge

Liked: Cleanliness, staff & service, amenities
O quarto estava sempre limpo e arruamado. A equipe de recepcionistas e arrumadeiras sempre gentis e atenciosos às nossas solicitações.
Stayed 5 nights in Nov 2025

10/10 Excellent

Anita

Liked: Cleanliness, amenities, property conditions & facilities
Awesome!!
Stayed 2 nights in Dec 2025

10/10 Excellent

Leon

Traveled with family
Liked: Cleanliness, staff & service, amenities
Everything was great: location, staff, food and amenities. I definitely will be back in the next visit to San Francisco.
Stayed 4 nights in Dec 2025

8/10 Good

Leia

Liked: Cleanliness
Everything was great from the service to the cleanliness. Only complaint was the breakfast options.
Stayed 3 nights in Dec 2025

6/10 Okay

Andrea

Liked: Cleanliness
We have stayed here before and had a very nice experience, however our most recent stay was not satisfactory. I am disabled and have mobility issues. We were told upon arrival that the elevator was broken and that our room was on the third floor. The person at the front desk although pleasant, gave us no option other than climbing three flights of stairs. My husband pushed for a better option and finally we were told that we could have a room on the second floor, which still meant me climbing two flights of stairs with limited mobility and a cane. The first set of stairs had no handrail and I nearly fell several times. After we finally arrived at our room we discovered that we had been assigned a room with 2 stairs at bathroom entrance. We were surprised that front desk person saw how much I struggled and still put us in a room with steps at the very end of a long hallway. Even being as cautious as possible I fell on the steps that evening. We tried to discuss issues with front desk person again and were told that it was out of their control. We had plans that night and the next morning which meant climbing two flights of stairs multiple times. It was truly an awful stay.
Stayed 1 night in Dec 2025

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

Traveled with group, Traveled with family
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

Traveled 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

Traveled 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

Traveled 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

Traveled 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

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