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Inn At Union Square

Property class: 3.5

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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
The current price is $222
$189 nightly
$222 total
Total with taxes and fees
Sep 8 - Sep 9

Explore the area

View in a map
440 Post St, San Francisco, CA, 94102
  • Place, Union Square
    ‪1 min walk‬
  • Place, 450 Sutter Building
    ‪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

A hotel room with a large bed, two bedside tables with lamps, a headboard with artwork, and a patterned carpet.

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

Similar properties

Lobby sitting area
Chancellor Hotel on Union Square
Union Square
  • Free WiFi
  • Business services
  • Bar
  • Laundry
4.7 out of 5, Exceptional, 3,430 reviews
$93 nightly
The price is $109
Sep 7 - Sep 8
Total with taxes and fees
Chancellor Hotel on Union Square

About the neighborhood

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 1.5 mi (2.4 km) from San Francisco Bay.

What's nearby

  • Union Square - 1 min walk - 0.1 miles
  • 450 Sutter Building - 2 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
  • 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
  • ‪McDonald's - ‬3 min walk
  • ‪7-Eleven - ‬2 min walk
  • ‪Pacific Cocktail Haven - ‬3 min walk
  • ‪Zingari Ristorante + Jazz Bar - ‬1 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.
Featured amenities include a 24-hour front desk, an elevator, and a vending machine.

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

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

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

Property 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

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. 705 out of 1009 reviews
Rating 8 - Good. 193 out of 1009 reviews
Rating 6 - Okay. 60 out of 1009 reviews
Rating 4 - Poor. 25 out of 1009 reviews
Rating 2 - Terrible. 26 out of 1009 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.2/10

Property conditions & facilities

Reviews

Verified review

10/10 Excellent

MARLON

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent stay
Stayed 3 nights in May 2026
Verified review

10/10 Excellent

suzanne

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We were very pleased with the room, location and parking options.
Stayed 1 night in May 2026
Verified review

10/10 Excellent

Jana

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
So quaint and quiet. The location was superb!
Stayed 1 night in Jun 2026
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

gabriella

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
A lovely boutique hotel. Older but authentic SF style. Room was comfortable and had a small sitting area with separate TV which was nice for coffee in the morning. The continental breakfast was quite good. Great location near Union Square - lots of shopping, food options within walking distance.
Stayed 3 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

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

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

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

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

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

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

6/10 Okay

Kevin

Liked: Cleanliness, staff & service
Disliked: Property conditions & facilities
Nice and friendly staff but rooms need to be refreshed, and continental breakfast is definitely not the best we ever tried.
Stayed 4 nights in May 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

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

nina diane

Liked: Cleanliness, staff & service, property conditions & facilities
All of the staff we encountered were very friendly and informative. Rooms were clean. Only problem was room was a little stuffy could use a better a/c unit luckily I had brought a small fan for us which helped us stay cooler.
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

Kazuhiro

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

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