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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

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.
Suite (Spreckels) | Living area | 32-inch flat-screen TV with cable channels, TV
A modern dining area with a long table and chairs, a kitchen counter with breakfast items, and geometric pendant lighting.
A red sign for The Inn at Union Square, 440 Post Street, with a dark wooden door and green walls.
A living room with a fireplace, a clock, a sofa, and a lamp.

Reviews

9.2 out of 10
Wonderful

Popular amenities

  • Free Wi-Fi
  • 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
VIP Access
Curated for quality and service, VIP Access stays consistently receive our highest guest ratings.
  • Expect exceptional service
  • Extra savings and perks for BONUS+ members
Learn more about VIP AccessOpens in a new window

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
  • Free Wi-Fi

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
  • Free Wi-Fi

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 Wi-Fi

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
(126 reviews)
  • Sleeps 2
  • 1 Queen Bed
  • Free Wi-Fi

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

9.4 out of 10
Exceptional
(13 reviews)
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

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
(13 reviews)
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

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
(23 reviews)
  • Sleeps 2
  • 1 Queen Bed
  • Free Wi-Fi

View all photos for Superior King Room-Accessible

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

Superior King Room-Accessible

  • Sleeps 2
  • Free Wi-Fi

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

Superior Room, 1 King Bed, Accessible | Premium bedding, pillow-top beds, in-room safe, desk

Superior Room, 1 King Bed, Accessible

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

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 Wi-Fi

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Exterior
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About this property

Inn At Union Square

This smoke-free hotel features a meeting room, a 24-hour front desk and free breakfast. WiFi in public areas is free. Other amenities include a banquet hall and a vending machine. Change of towels is available on request
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 a shower, 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 telephones. Additionally, rooms include a hairdryer and an iron/ironing board. Hypo-allergenic bedding, change of towels and change of bedsheets can be requested. Housekeeping is provided on a daily basis.

The recreational activities listed below are available either on-site or nearby; fees may apply.
The free breakfast at Inn At Union Square gets good marks from our customers. During your stay, you're just a quick walk from Union Square. Features include free WiFi in public areas and a meeting room.
  • Free continental breakfast served daily
  • Free Wi-Fi (speed: 100+ Mbps (good for 1–2 people or up to 6 devices))
  • Amenities include a meeting room, a lift and a vending machine
  • Guests really like the accommodation for the overall comfort, comfy beds and cleanliness
  • Steps from Union Square and 13 minutes on foot from Moscone Convention Center
Free breakfast is available daily. WiFi is free in public spaces. The boutique Inn At Union Square also features a vending machine and a lift.

This 3.5-star San Francisco hotel is smoke free.

Guests are served a free continental breakfast daily from 8:00 AM to 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
  • Smoking not allowed

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 and check-out are available
Late check-in subject to availability
Minimum check-in age - 18

Check-out

Check-out before 11:00 AM
Contactless check-out
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.
  • Cots (infant beds) are not available.

Payment types at the property

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

This property is managed by a professional host. The provision of housing is linked to their trade, business or profession.
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
Guests arriving after noon must make advance arrangements by contacting the property using the information on the booking confirmation. Front desk staff will greet guests on arrival at the 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. 723 out of 1010 reviews
Rating 8 - Good. 178 out of 1010 reviews
Rating 6 - Okay. 59 out of 1010 reviews
Rating 4 - Poor. 25 out of 1010 reviews
Rating 2 - Terrible. 25 out of 1010 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.2/10

Property conditions & facilities

Reviews

Verified

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

10/10 Excellent

Raymond

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

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

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

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

10/10 Excellent

Tony

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

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

10/10 Excellent

Cindy

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

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

10/10 Excellent

Hiroko

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The hotel staff were very kind. They provided breakfast and drinking water, which was very convenient. The location was also great, convenient for getting anywhere, and I would love to use this hotel again.
Stayed 3 nights in Mar 2026
Verified

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
Verified

10/10 Excellent

Amber

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

10/10 Excellent

Joe

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
I love staying here. Parking around the corner, restaurants nearby lots of stuff within waking distance. Comedy show and even theater nearby.
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

John

Liked: Cleanliness, amenities, property conditions & facilities
Everything was fantastic! King suite was lovely. Great location and staff super friendly. You won’t be disappointed when selecting this property!
Stayed 3 nights in Feb 2026
Verified

10/10 Excellent

Akiko

Liked: Cleanliness, staff & service, property conditions & facilities
The location is perfect so close to all the transportation and stores and coffee shops. Very clean room, staff were friendly and helpful. We stayed in a suite. The air condition worked great and the bedroom was located inside not facing street so was quiet. Free continental breakfast downstairs also was a nice service. We had a very comfortable stay.
Stayed 5 nights in Mar 2026
Verified

10/10 Excellent

Ramesh Murthy

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The breakfast was fresh and good and internal amenities are very comfortable
Stayed 4 nights in Jan 2026
Verified

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
Verified

10/10 Excellent

bill

Liked: Cleanliness, amenities, property conditions & facilities
Clean, nicely decorated facility. Staff helpful. Nearby public parking is convenient
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

David

Liked: Cleanliness, staff & service, amenities
Staff was nice, Beautiful room.
Stayed 2 nights in Dec 2025
Verified

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
Verified

8/10 Good

Joanna

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The room was very clean and well decorated. Room was quiet and air conditioning ok, but the fan was noisy at night.
Stayed 2 nights in Mar 2026
Verified

6/10 Okay

dennis j.

Liked: Cleanliness, staff & service, property conditions & facilities
This was a nice cozy small hotel building, the rooms were nice and the breakfast was great but don’t expect the usual eggs and sausage deal. They serve mostly healthy fruits and pastries. The only pet peeve I have is that they don’t mention a fee of $25 per night extra for the breakfast-on the website the breakfast is free but in actuality you pay for it!!
Stayed 2 nights in Apr 2026
Verified

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
Verified

10/10 Excellent

Bonnie

Clean, quiet, and friendly staff
Stayed 2 nights in Dec 2025
Verified

8/10 Good

Simone

Liked: Cleanliness, amenities, property conditions & facilities
It's well located , quiet and clean, with friendly and helpful staff
Stayed 7 nights in Dec 2025