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Inn At Union Square

Property class: 3.5

Photo gallery for Inn At Union Square

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

Reviews

9.2 out of 10
Wonderful

Popular amenities

  • Free Wi-Fi
  • Business services
  • Housekeeping
  • 24/7 front desk
The current price is AU$227
includes taxes & fees
3 May - 4 May

Explore the area

View 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 Room, 1 King Bed

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

Superior Suite, 1 King Bed

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

View all photos for Superior Studio, 1 Queen Bed

Premium bedding, pillow-top 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

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

Suite (Spreckels)

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

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About the area

San Francisco

Inn At Union Square places you steps from Union Square and within a 15-minute stroll of Moscone Convention Center. Highlights at this boutique hotel include free continental breakfast. .This smoke-free hotel offers free WiFi in public areas, a 24-hour front desk and a lift. Additionally, you'll find a banquet hall and a vending machine. Each morning free breakfast is served. .Within a 30-minute walk of this 3.5-property class Union Square hotel, attractions include Oracle Park and San Francisco Bay.

What's nearby

  • Union Square - 1 min walk - 0.1 km
  • SF Masonic Auditorium - 5 min walk - 0.4 km
  • Palace Hotel - 8 min walk - 0.7 km
  • San Francisco Museum of Modern Art - 10 min walk - 0.8 km
  • Moscone Convention Center - 11 min walk - 1.0 km

Getting around

  • Powell St & Post St Stop - 1 min walk
  • San Francisco Station - 2 min drive
  • San Francisco International 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
  • ‪Level III - ‬2 min walk

About this property

Inn At Union Square

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.

  • 1 building
  • 30 guestrooms or units
  • 6 levels
  • Continental breakfast (free)
  • Front desk (24 hours)
  • Lift
  • 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 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.

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  • Business services
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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
  • 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
  • Smoke-free property

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

Important information

Fees

Guests will be asked to pay the following 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

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 guest room 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 all 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

What is the cancellation policy at Inn At Union Square?

Inn At Union Square offers free cancellation on select room rates. Check out the cancellation policy for more info.

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

As of 30 Apr 2026, prices found for a 1-night stay for 2 adults at Inn At Union Square on 3 May 2026 start from AU$227, 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.

Are there any beaches close to Inn At Union Square?

The closest beach to Inn At Union Square is Ocean Beach (9.4 km).

What makes Inn At Union Square a romantic place to stay?

Romance packages, plus pillowtop beds in the guestrooms, help set the scene for a romantic weekend at Inn At Union Square.

Does Inn At Union Square serve breakfast?

Yep, our travelers give high marks to the free continental breakfast here! Available daily from 8:00 AM to 11:00 AM, this is the perfect place to fuel up for a day of adventure.

Is there a free airport shuttle available at Inn At Union Square?

No, Inn At Union Square does not offer an airport shuttle service.

What time are check-in & check-out at Inn At Union Square?

Check-in begins at 4:00 PM. Check-out time is 11:00 AM.

Are pets allowed at Inn At Union Square?

No, only service animals are allowed.

Inn At Union Square Reviews

Reviews

9.2

Wonderful

Rating 10 - Excellent. 717 out of 1002 reviews
Rating 8 - Good. 174 out of 1002 reviews
Rating 6 - Okay. 60 out of 1002 reviews
Rating 4 - Poor. 25 out of 1002 reviews
Rating 2 - Terrible. 26 out of 1002 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.0/10

Property conditions & facilities

Reviews

10/10 Excellent

Ravi

Business traveller
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

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

8/10 Good

André

Travelled 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 traveller
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

10/10 Excellent

Tony

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

8/10 Good

Malinda

Stayed 1 night in Jan 2026

2/10 Terrible

TOSHIKO

Stayed 1 night in Jan 2026

10/10 Excellent

Ramesh Murthy, Plainsboro

Business traveller
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

2/10 Terrible

Candace, Makawao

Business traveller
Liked: Amenities
Disliked: Cleanliness, property conditions & facilities
There wasn’t any fireplace in my room as advertised. The room was freezing I had to sleep in another guest room the first night. It wasn’t anything like I was led to believe!
Stayed 2 nights in Dec 2025

10/10 Excellent

Haley

Stayed 1 night in Jan 2026

10/10 Excellent

Jamese

Liked: Cleanliness, amenities, property conditions & facilities
Amazing!
Stayed 1 night in Nov 2025

8/10 Good

Lenny R., Odessa

Liked: Cleanliness, amenities, property conditions & facilities
The hotel had been renovated and professional stall.
Stayed 4 nights in Jan 2026

10/10 Excellent

Amber

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

10/10 Excellent

Bonnie

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

8/10 Good

Kelvin

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Breakfast options were alright. Staff was amazing. Room smelled like old smoke sometimes, though.
Stayed 2 nights in Dec 2025

10/10 Excellent

Thomas

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Good continental breakfast. Room was comfortable and clean.
Stayed 1 night in Jan 2026

10/10 Excellent

David

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

10/10 Excellent

Manuel JR

Stayed 2 nights in Jan 2026

10/10 Excellent

Verleht Gail A, Woodside

Travelled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Location 5/5 We always come back with a clean room 5/5 the only ick was the amenity fee of $25/day..no biggie if we were informed upon booking,but nevertheless we love the property.Will surely recommend
Stayed 5 nights in Dec 2025

6/10 Okay

christine

Travelled with family
Staff was helpful. Unfortunately the elevator was not working until our last day. My 2 suggestions-: 1. a larger breakfast room. (each of our 6 mornings could not accomodate seats at the table for all who entered during the first hour). 2. Removing the "air freshener" plug in devices in lobby and floors. They can and did cause nausea and headaches for those of us with fragrance sensitivities.
Stayed 6 nights in Nov 2025