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Inn At Union Square

Property class: 3.5
3.5-star boutique hotel near Moscone Convention Center

Choose dates to view prices

Photo gallery for Inn At Union Square

A hotel room with a bed, two armchairs, a small table with a laptop and a glass of water, a lamp, a TV displaying a scenic image, and a large window with curtains.
A living room with a fireplace, a clock, a sofa, and a lamp.
A modern living room with a fireplace, a flat-screen TV mounted above it, a sofa with a cushion, and a floor lamp.
A red sign for The Inn at Union Square, 440 Post Street, with a dark wooden door and green walls.
A modern dining area with a long table and chairs, a kitchen counter with breakfast items, and geometric pendant lighting.

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.)
    ‪22 min drive‬

Room options

View all photos for Superior Queen Studio

A reception area with a red upholstered bench, a vase of flowers, and a wooden desk with apples and papers.

Superior Queen Studio

  • Sleeps 2
  • 1 Queen Bed
  • Free WiFi

View all photos for Superior King Studio

A hotel room with a bed, nightstands, a ceiling fan, and framed pictures on the wall.

Superior King Studio

  • Sleeps 2
  • 1 King Bed
  • Free WiFi

View all photos for Superior Room, 1 King Bed

A hotel room with a bed, two armchairs, a nightstand, a dresser, and framed artwork on the walls.

Superior Room, 1 King Bed

9.4 out of 10
Exceptional
(40 reviews)
  • Sleeps 2
  • 1 King Bed
  • Free WiFi

View all photos for Superior Room, 1 Queen Bed

A hotel room with a bed, two armchairs, a nightstand, a dresser, and framed artwork on the walls.

Superior Room, 1 Queen Bed

9.2 out of 10
Wonderful
(131 reviews)
  • Sleeps 2
  • 1 Queen Bed
  • Free WiFi

View all photos for Superior Studio, 1 King Bed

A hotel room with a bed, two armchairs, a nightstand, a dresser, and framed artwork on the walls.

Superior Studio, 1 King Bed

9.6 out of 10
Exceptional
(14 reviews)
  • Sleeps 2
  • 1 King Bed
  • Free WiFi

View all photos for Superior Suite, 1 King Bed

A hotel room with a bed, two armchairs, a nightstand, a dresser, and framed artwork on the walls.

Superior Suite, 1 King Bed

9.2 out of 10
Wonderful
(14 reviews)
  • Sleeps 2
  • 1 King Bed
  • Free WiFi

View all photos for Superior Studio, 1 Queen Bed

A hotel room with a bed, two armchairs, a nightstand, a dresser, and framed artwork on the walls.

Superior Studio, 1 Queen Bed

9.4 out of 10
Exceptional
(26 reviews)
  • Sleeps 2
  • 1 Queen Bed
  • Free WiFi

View all photos for Superior King Room-Accessible

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

Superior King Room-Accessible

  • Sleeps 2
  • 1 King Bed
  • Free WiFi

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

A large bed with white linens, two nightstands with lamps, and three framed pictures on the wall.

Superior Room, 1 King Bed, Accessible

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

View all photos for Suite (Spreckels)

A hotel room with a large bed, two bedside tables with lamps, a small side table, a decorative bowl, and a framed picture above the bed.

Suite (Spreckels)

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

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About the neighborhood

San Francisco

Union Square stay.A stay at this Union Square hotel places you steps from Union Square and within a 10-minute walk of SF Masonic Auditorium. Oracle Park and Lombard Street are also within 2 miles (3 km).

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
  • ‪The Cheesecake Factory - ‬3 min walk
  • ‪McDonald's - ‬3 min walk
  • ‪7-Eleven - ‬2 min walk
  • ‪The Rotunda at Neiman Marcus - ‬4 min walk

About this property

Inn At Union Square

3.5-star boutique hotel near Moscone Convention Center
Inn At Union Square offers its guests a vending machine and an elevator. WiFi is free in public spaces.

This 3.5-star San Francisco hotel is smoke free.

  • 1 building
  • 30 guestrooms or units
  • 6 levels
  • 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.

Similar properties

A lobby with seating, a reception desk, and large windows.
Chancellor Hotel on Union Square
Union Square
  • Free WiFi
  • Business services
  • Bar
  • Laundry
4.7 out of 5, Exceptional, 3,408 reviews
$98 nightly
The price is $116
Aug 23 - Aug 24
Total with taxes and 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

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

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

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, and Discover. 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

Frequently asked questions

How close is Inn At Union Square to the airport?

Inn At Union Square is 19.4 mi (38-min drive) away from the Oakland Intl. Airport (OAK) airport, the closest popular airport to the property.

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

As of Aug 22, 2026, prices found for a 1-night stay for 2 adults at Inn At Union Square on Sep 1, 2026 start from $137, 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.

Does Inn At Union Square have an airport shuttle?

Airport shuttle services are not available at Inn At Union Square.

How close is Inn At Union Square to the beach?

This hotel is 6.2 mi (34-min drive) from Ocean Beach and 10.5 mi (52-min drive) from Rodeo Beach. Don't forget your sunscreen!

Does Inn At Union Square offer free breakfast?

Inn At Union Square does not offer free breakfast.

Is there a casino at Inn At Union Square?

No, there is no casino at this hotel, but San Pablo Lytton Casino (21-min drive) is nearby.

What time is check-in at Inn At Union Square?

Check-in start time: 4:00 PM; Check-in end time: 11:00 PM. A fee applies for early check-in.

Is there free parking at Inn At Union Square?

Free parking is not available at this hotel.

Does Inn At Union Square have a pool?

Inn At Union Square does not have a pool.

Does Inn At Union Square have a spa?

There are no spa services available at this hotel.

How close is Inn At Union Square to downtown San Francisco?

Inn At Union Square is 1.1 mi away from San Francisco.

Inn At Union Square Reviews

Reviews

9.2

Wonderful

Rating 10 - Excellent. 710 out of 1009 reviews
Rating 8 - Good. 188 out of 1009 reviews
Rating 6 - Okay. 59 out of 1009 reviews
Rating 4 - Poor. 25 out of 1009 reviews
Rating 2 - Terrible. 27 out of 1009 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.0/10

Property conditions & facilities

Reviews

Verified review

10/10 Excellent

Daniel

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great breakfast and very clean rooms
Stayed 3 nights in Mar 2026
Verified review

10/10 Excellent

Raymond

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean room, breakfast, location
Stayed 6 nights in Mar 2026
Verified review

10/10 Excellent

Mark

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Located just off Union Square, close to shopping and restaurants, comfortable, clean rooms with an accommodating staff.
Stayed 1 night in Feb 2026
Verified review

10/10 Excellent

Nicole

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
I like my stay here. Convenient, they have nice selection for breakfast, staffs are nice.
Stayed 3 nights in Apr 2026
Verified review

8/10 Good

Michael

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Rooms were quite spacious and the location is very convenient. Breakfast was tasty but don't be the last there if you want a good choice
Stayed 3 nights in May 2026
Verified review

10/10 Excellent

Alicia

Cute hidden gem in SF
Stayed 4 nights in May 2026
Verified review

10/10 Excellent

stuart

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
CLEAN ROOM AND BREAKFAST WERE HIGHLIGHTS. EXCELLENT LOCATION AND ACCESS TO PUBLIC TRANSIT.
Stayed 2 nights in May 2026
Verified review

10/10 Excellent

Devyn

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Amazing place to stay in San Fran! In the center of everything and there’s public transportation super close by. The rooms were so comfortable and very quiet despite being downtown. We were even surprised with a room upgrade!
Stayed 3 nights in May 2026
Verified review

10/10 Excellent

Richard

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean, easy check in. Staff attentative and helpful. Great location across from union square.
Stayed 1 night in May 2026
Verified review

10/10 Excellent

GUILHERME

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great place to stay. Clean and quiet, also very well located. Outstanding.
Stayed 3 nights in Apr 2026
Verified review

10/10 Excellent

John

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We were very happy with our stay.
Stayed 2 nights in Feb 2026
Verified review

10/10 Excellent

Carly

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Super cute place and really friendly/attentive staff!!
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Elizabeth

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The staff was really great -- super responsive and friendly. The room was lovely and comfortable.
Stayed 3 nights in Apr 2026
Verified review

10/10 Excellent

Tatsuyoshi

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Everything was great!
Stayed 3 nights in Apr 2026
Verified review

10/10 Excellent

Gina

Liked: Cleanliness, amenities, property conditions & facilities
Great location, helpful & friendly staff, clean & comfortable rooms, & nice breakfast options
Stayed 3 nights in Feb 2026
Verified review

10/10 Excellent

Jacquelyn

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The cutest room with a bedroom and living room! And the free breakfast was right next door to my room 😍
Stayed 3 nights in Apr 2026
Verified review

10/10 Excellent

Tony

Liked: Cleanliness, staff & service, amenities
Yes—great stay!
Stayed 1 night in Jan 2026
Verified review

10/10 Excellent

Kazuhiro

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
I felt the hotel is always maintaining clean room
Stayed 2 nights in Apr 2026
Verified review

10/10 Excellent

Jennifer

Liked: Cleanliness, staff & service
Excellent on all that apply
Stayed 4 nights in May 2026
Verified review

10/10 Excellent

Cindy

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

10/10 Excellent

Jessica

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great location, well designed and maintained. Highly recommended!
Stayed 3 nights in Mar 2026
Verified review

10/10 Excellent

Paul

Liked: Cleanliness, property conditions & facilities
Reasonably good value - you get what you pay for and hotels in California are expensive. A small hotel with just 30 rooms and no other services. The room was clean and comfortable. Breakfast was a simple serve yourself. The location was excellent - lots of bars and restaurants nearby, Chinatown and Fisherman's wharf within walking distance.
Stayed 3 nights in May 2026
Verified review

10/10 Excellent

Robert

Liked: Cleanliness, property conditions & facilities
Great value, clean cozy rooms right off Union square near everything
Stayed 4 nights in Feb 2026
Verified review

10/10 Excellent

Amber

Liked: Cleanliness, staff & service, amenities
Nice room great stay
Stayed 3 nights in Jan 2026
Verified review

10/10 Excellent

Ravi

Liked: Cleanliness, staff & service, amenities
Great hotel. Like the proximity, quality and the friendly staff
Stayed 5 nights in Jan 2026