Inn At Union Square

3.5 star property
Boutique hotel with free breakfast, steps from Union Square

Photo gallery for Inn At Union Square

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

Reviews

9.2 out of 10
Wonderful

Popular amenities

  • Free Wi-Fi
  • Business services
  • Housekeeping
  • 24/7 front desk
The current price is AU$200
includes taxes & fees
15 Feb - 16 Feb

Explore the area

View 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.)
    ‪24 min drive‬

Room options

Superior Room, 1 King Bed

9.6 out of 10
Exceptional
(36 reviews)

Highlights

Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Premium bedding
Blackout curtains
Pillow-top bed
Private bathroom
Bathrobes
  • Sleeps 2
  • 1 King Bed

Superior Room, 1 Queen Bed

9.2 out of 10
Wonderful
(121 reviews)

Highlights

Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Premium bedding
Blackout curtains
Pillow-top bed
Private bathroom
Bathrobes
  • Sleeps 2
  • 1 Queen Bed

Superior Studio, 1 King Bed

9.4 out of 10
Exceptional
(12 reviews)

Highlights

Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Premium bedding
Blackout curtains
Pillow-top bed
Private bathroom
Bathrobes
  • Sleeps 2
  • 1 King Bed

Superior Suite, 1 King Bed

9.8 out of 10
Exceptional
(12 reviews)

Highlights

Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Premium bedding
Blackout curtains
Pillow-top bed
Private bathroom
Bathrobes
  • Sleeps 2
  • 1 King Bed

Superior Studio, 1 Queen Bed

9.2 out of 10
Wonderful
(22 reviews)

Highlights

Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Premium bedding
Blackout curtains
Pillow-top bed
Private bathroom
Bathrobes
  • Sleeps 2
  • 1 Queen Bed

Superior Room, 1 King Bed, Accessible

9.4 out of 10
Exceptional
(12 reviews)

Highlights

Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Premium bedding
Blackout curtains
Pillow-top bed
Private bathroom
Bathrobes
  • Sleeps 2
  • 1 King Bed

Suite (Spreckels)

10.0 out of 10
Exceptional
(4 reviews)

Highlights

Fireplace
Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Premium bedding
Blackout curtains
Pillow-top bed
Private bathroom
  • 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 10-minute stroll of Palace Hotel. 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. Each morning free breakfast is served. .Within a 20-minute walk of this 3.5-property class Union Square hotel, attractions include Moscone Convention Center and Embarcadero Center.

What's nearby

  • Union Square - 1 min walk - 0.1 km
  • Westin St Francis Hotel Glass Elevators - 2 min walk - 0.2 km
  • SF Masonic Auditorium - 5 min walk - 0.4 km
  • Palace Hotel - 8 min walk - 0.7 km
  • Moscone Convention Center - 13 min walk - 1.1 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
  • ‪7-Eleven - ‬2 min walk
  • ‪Pacific Cocktail Haven - ‬3 min walk
  • ‪Westin St Francis - Imperial Room - ‬1 min walk
  • ‪Level III - ‬2 min walk

About this property

Inn At Union Square

Boutique hotel with free breakfast, steps from Union Square
Free breakfast is available daily. WiFi is free in public spaces.

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.

Similar properties

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

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, Discover and Eurocard. 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 Jan 2026, prices found for a 1-night stay for 2 adults at Inn At Union Square on 15 Feb 2026 start from AU$164.02, 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. 721 out of 1001 reviews
Rating 8 - Good. 178 out of 1001 reviews
Rating 6 - Okay. 58 out of 1001 reviews
Rating 4 - Poor. 20 out of 1001 reviews
Rating 2 - Terrible. 24 out of 1001 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.2/10

Property conditions & facilities

Reviews

10/10 Excellent

Charles, Copley

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very nice boutique hotel at Union Square. Great staff and very nice rooms.
Stayed 3 nights in Oct 2025

10/10 Excellent

Craig

Rooms were great ...very comfortable.
Stayed 3 nights in Oct 2025

10/10 Excellent

Norman

Liked: Cleanliness, staff & service, amenities
Great location, tremendous room!
Stayed 1 night in Oct 2025

10/10 Excellent

Kelsey

Business traveller
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Really comfortable rooms. Very convenient location with numerous different shops, bars diners, etc within 2 blocks. Hotel doesn't have its own bar or restaurant and the Continental breakfast is very limited for the price that is added to cover breakfast. And it doesn't open until 8am on weekdays... As we had to be at our event prior to 8 it was useless to us. Our team liked their rooms, and other amenities. I would have no issue staying there again.
Stayed 2 nights in Oct 2025

8/10 Good

Andrew

Stayed 2 nights in Oct 2025

10/10 Excellent

Leonard Anthony

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very nice room and location
Stayed 3 nights in Oct 2025

10/10 Excellent

Eddie, Penngrove

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We received a room upgrade as soon as we checked in, the staff was really friendly and helpful. The room was very comfortable. Very enjoyable stay, will definitely stay here again
Stayed 1 night in Oct 2025

8/10 Good

David

Travelled with partner
Liked: Cleanliness
Overall a good location close to Union Square. However one cannot go to California these days without feeling ripped off. The $25/day ‘amenity’ fee is levied whether you take breakfast or not. It’s just yet another form of taxes due to exorbitant costs associated with running a business in CA. The hotel is quiet and overall clean with comfy beds. Be prepared for a lot of homeless and people wandering around with mental health issues. SF is a great city but has its problems.
Stayed 3 nights in Oct 2025

10/10 Excellent

Paul

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Perfect
Stayed 1 night in Oct 2025

10/10 Excellent

Liz

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Little Gem in Union Square

Great location. Friendly staff. Room was very comfortable.
Stayed 1 night in Oct 2025

10/10 Excellent

Audelia

Stayed 1 night in Oct 2025

10/10 Excellent

Tarun

Stayed 1 night in Oct 2025

6/10 Okay

Jenica

Liked: Staff & service
Disliked: Amenities, property conditions & facilities
It was fine. Not great, but fine.
Stayed 1 night in Oct 2025

2/10 Terrible

Roman

Travelled with family
Disliked: Property conditions & facilities
Terrible old mattresses, squeaky doors, double bed advertised as queen, and rotting boiled eggs for breakfast complete the terrible experience overall
Stayed 2 nights in Oct 2025

10/10 Excellent

Sabrina

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Breakfast could be served a bit earlier so guests have the chance to enjoy it, since most tours start early in the morning. Regarding parking, it was clear from the start that the hotel doesn’t provide it, and cars can’t stay parked in front for long, so we were already aware of that. The hotel is in a great location, easy to walk everywhere and it truly reflects the charm and character of the place. It has history, and that’s one of the things I loved most about it. It’s full of personality and feels like being inside a movie.
Stayed 1 night in Sep 2025

10/10 Excellent

Marcin

Stayed 1 night in Oct 2025

10/10 Excellent

Patrick

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

A hidden gem on Post Street

One block off Union Square, this was a delight. An old property well cared for, we rented a suite and were quite happy with the space, the amenities, the staff, all of it. It felt much more friendly and welcoming than any high-end hotel we've ever stayed in. Heartily recommended.
Stayed 3 nights in Oct 2025

10/10 Excellent

Charles Ray, San Tan Valley

Stayed 1 night in Oct 2025

10/10 Excellent

Mark

Liked: Cleanliness, property conditions & facilities, room comfort
It was great. Great location clean comfy room
Stayed 3 nights in Sep 2025

10/10 Excellent

Lisa

Stayed 1 night in Oct 2025

2/10 Terrible

Louis

Stayed 1 night in Oct 2025

6/10 Okay

Nathan, Austin

Stayed 2 nights in Oct 2025

10/10 Excellent

Bernd, Austin

Liked: Cleanliness, staff & service, property conditions & facilities
Stayed 2 nights in Oct 2025

10/10 Excellent

MA DEBBI

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The shops are nearby. The AC in our room wasn't working but its okay as the weather was cooler.
Stayed 4 nights in Oct 2025

8/10 Good

Villa

Stayed 4 nights in Oct 2025