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Inn At Union Square

3.5 star property

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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
32-inch flat-screen TV with cable channels, TV
Superior Room, 1 King Bed, Accessible | Premium bedding, pillowtop beds, in-room safe, desk

Reviews

9.2 out of 10
Wonderful

Popular amenities

  • Free WiFi
  • Business services
  • Housekeeping
  • 24/7 front desk
The current price is $189
includes taxes & fees
Jun 8 - Jun 9

Explore the area

View in a map
440 Post St, San Francisco, CA, 94102
  • Place, Union Square
    ‪1 min walk‬
  • Place, SF Masonic Auditorium
    ‪5 min walk‬
  • Place, Moscone Convention Center
    ‪11 min walk‬
  • Airport, San Francisco, CA (SFO-San Francisco Intl.)
    ‪22 min drive‬

Room options

View all photos for Superior Queen

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

Superior Queen

  • Sleeps 2
  • Free WiFi

View all photos for Superior Studio - Queen Bed

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

Superior Studio - Queen Bed

  • Sleeps 2
  • Free WiFi

View all photos for Superior King

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

Superior King

  • Sleeps 2
  • Free WiFi

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
  • Free WiFi

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
(124 reviews)
  • Sleeps 2
  • 1 Queen Bed
  • Free WiFi

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
  • Free WiFi

View all photos for Superior Suite, 1 King Bed

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

Superior Suite, 1 King Bed

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

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
  • Free WiFi

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
  • Free WiFi

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
  • Free WiFi

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About this property

Inn At Union Square

3.5-star hotel in 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 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.
A complimentary breakfast is offered each morning. Public areas are equipped with complimentary wireless Internet access. This Edwardian hotel also offers a vending machine and an elevator.

Inn At Union Square is a smoke-free property.

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
  • 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
  • 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. 721 out of 1000 reviews
Rating 8 - Good. 171 out of 1000 reviews
Rating 6 - Okay. 57 out of 1000 reviews
Rating 4 - Poor. 25 out of 1000 reviews
Rating 2 - Terrible. 26 out of 1000 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.2/10

Property conditions & facilities

Reviews

8/10 Good

Constance

Stayed 2 nights in Feb 2026

10/10 Excellent

Julie

Stayed 2 nights in Nov 2025

10/10 Excellent

John

Traveled with partner
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

10/10 Excellent

Richard

Liked: Cleanliness, staff & service, amenities
Room was spotless. Antonio went above and beyond when we needed a second room. When my phone wouldn’t work to book a tour online, the front desk staff were courteous and let me borrow the use of the hotel computer for 2 minutes to book the tour. You saved our vacation.
Stayed 4 nights in Feb 2026

10/10 Excellent

Matthew

Stayed 2 nights in Feb 2026

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

10/10 Excellent

Olga

Stayed 1 night in Feb 2026

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

2/10 Terrible

Thanh Tam

Stayed 2 nights in Oct 2025

8/10 Good

Brenen

Traveled with partner
Liked: Cleanliness
I think the room service was by far the best ive ever had. The bedding was incredible as well. There was a 25$ service charge for amenities which were ok but the breakfast wasn't worth 25$ in my mind. I would think that if i do pay 25$ i would recieve a better breakfast and a smart tv with just netflix or some other streaming service. Other than that, the shower was nice, and room was clean. Do keep in mind the walls are thin so people can hear most conversations if outside in the hall, unless you speak in whispers
Stayed 3 nights in Feb 2026

10/10 Excellent

Lucas

Stayed 1 night in Feb 2026

10/10 Excellent

ERIC, Lincoln

Stayed 1 night in Jan 2026

10/10 Excellent

Maribeth

Liked: Cleanliness, staff & service, amenities
Stayed 2 nights in Jan 2026

10/10 Excellent

TOSHIKO

Stayed 1 night in Jan 2026

10/10 Excellent

Eacov

Stayed 1 night in Jan 2026

10/10 Excellent

Nancy, Austin

Liked: Cleanliness, amenities, property conditions & facilities
This little inn surprised me with a darling superior king with a nicely appointed front sitting room in addition to a hallway and a king bedroom on the back. Sitting room overlooks Post St with a functional window wall over the fire escape. Very welcoming and bright. TVs in each room. Bed is very comfortable. Lots of fluffy clean towels. No air-conditioning might be a problem August-October but otherwise not an issue. Ceiling fans in both rooms. Big plus is the unlimited filtered water available no cost. Wish they had coffee service in the lobby before 8 am. Rooms have little coffee makers but only powdered creamer. Shelf stable half and half pods would be a nice upgrade. Tiny complaint. This is a well-priced, perfectly located snuggly spot in the city. I’ll definitely return.
Stayed 6 nights in Jan 2026

10/10 Excellent

Ravi

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

10/10 Excellent

Deborah, Wellesley Hills

Stayed 3 nights in Jan 2026

10/10 Excellent

Daniel

Great environment, Quiet, Very organized and process was smooth
Stayed 1 night in Jan 2026

4/10 Poor

Meghan

Traveled with partner, Traveled with family
Disliked: Amenities
No view, uncomfortable bed, elevator broken
Stayed 4 nights in Dec 2025

8/10 Good

André

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Chambre avec lit tré confortable. Personnel efficace et courtois Bon café du matin avec petit dejeuner simple, de bon goût.
Stayed 2 nights in Jan 2026

8/10 Good

Charmaine Louise

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

8/10 Good

Grace

Stayed 1 night in Jan 2026

8/10 Good

Aideen

Business traveler
Liked: Cleanliness, staff & service
Disliked: Amenities
Spacious, clean rooms. Centrally located
Stayed 4 nights in Jan 2026

10/10 Excellent

george

Stayed 1 night in Jan 2026