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Inn At Union Square

3.5 star property
3.5-star boutique hotel near Moscone Convention Center

Choose dates to view prices

Photo gallery for Inn At Union Square

Premium bedding, pillowtop beds, in-room safe, desk
Reception
Meeting facility
Suite (Spreckels) | Living area | 32-inch flat-screen TV with cable channels, TV
32-inch flat-screen TV with cable channels, TV

Reviews

9.2 out of 10
Wonderful

Popular amenities

  • Housekeeping
  • 24/7 front desk
  • Free WiFi
  • Business services

Explore the area

View in a map
440 Post St, San Francisco, CA, 94102
  • Union Square
    ‪1 min walk‬
  • Moscone Convention Center
    ‪13 min walk‬
  • Oracle Park
    ‪3 min drive‬
  • San Francisco, CA (SFO-San Francisco Intl.)
    ‪18 min drive‬

Room options

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
(20 reviews)
  • Sleeps 2
  • 1 Queen Bed

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

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

View all photos for Superior Room, 1 King Bed

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

Superior Room, 1 King Bed

9.6 out of 10
Exceptional
(35 reviews)
  • Sleeps 2
  • 1 King Bed

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
(12 reviews)
  • Sleeps 2
  • 1 King Bed

View all photos for Superior Suite, 1 King Bed

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

Superior Suite, 1 King Bed

9.8 out of 10
Exceptional
(12 reviews)
  • Sleeps 2
  • 1 King Bed

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
(117 reviews)
  • Sleeps 2
  • 1 Queen Bed

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About the neighborhood

San Francisco

Union Square stay.At this Union Square hotel, you'll be steps from Union Square and within a 15-minute walk of Moscone Convention Center. Oracle Park and Pier 39 are also within 2 miles (3 km).

What's nearby

  • Union Square - 1 min walk - 0.0 miles
  • Moscone Convention Center - 13 min walk - 0.7 miles
  • Oracle Park - 3 min drive - 1.6 miles
  • Lombard Street - 3 min drive - 1.4 miles
  • Pier 39 - 3 min drive - 1.8 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 - ‬2 min walk
  • ‪Pacific Cocktail Haven - ‬3 min walk
  • ‪Shelton Theater - ‬2 min walk
  • ‪7-Eleven - ‬2 min walk
  • ‪The Parthenon - ‬3 min walk

About this property

Inn At Union Square

3.5-star boutique hotel near Moscone Convention Center
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)
  • Elevator
  • 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 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.

Languages

English

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  • Housekeeping
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The price is $126
Aug 24 - Aug 25
Total includes taxes and fees
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Property amenities

Family friendly

  • Mini-fridge

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

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

Room amenities

Entertainment

  • 32-inch flat-screen TV with premium cable channels

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

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

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.
  • Cribs (infant beds) are not available.

Property 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 guestroom 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 each 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

How close is Inn At Union Square to the airport?

Inn At Union Square is 19.4 mi (38-min drive) away from the Oakland Intl. Airport (OAK) airport, the closest popular airport to the property.

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

As of Aug 20, 2025, prices found for a 1-night stay for 2 adults at Inn At Union Square on Aug 29, 2025 start from $115.0, excluding 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.

Does Inn At Union Square have an airport shuttle?

Airport shuttle services are not available at Inn At Union Square.

How close is Inn At Union Square to the beach?

This hotel is 6.2 mi (34-min drive) from Ocean Beach and 5.5 mi (11-min drive) from Baker Beach. Don't forget your sunscreen!

Does Inn At Union Square offer free breakfast?

Inn At Union Square offers free continental breakfast every day from 8:00 AM to 11:00 AM.

Is there a casino at Inn At Union Square?

No, there is no casino at this hotel, but San Pablo Lytton Casino (21-min drive) is nearby.

What time is check-in at Inn At Union Square?

Check-in start time: 4:00 PM; Check-in end time: 11:00 PM. A fee applies for early check-in.

Is there free parking at Inn At Union Square?

Free parking is not available at this hotel.

Does Inn At Union Square have a pool?

Inn At Union Square does not have a pool.

Does Inn At Union Square have a spa?

There are no spa services available at this hotel.

How close is Inn At Union Square to downtown San Francisco?

Inn At Union Square is 1.1 mi away from San Francisco.

Inn At Union Square Reviews

Reviews

9.2

Wonderful

Rating 10 - Excellent. 738 out of 1001 reviews
Rating 8 - Good. 172 out of 1001 reviews
Rating 6 - Okay. 54 out of 1001 reviews
Rating 4 - Poor. 20 out of 1001 reviews
Rating 2 - Terrible. 17 out of 1001 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

8.6/10

Amenities

9.2/10

Property conditions & facilities

9.0/10

Eco-friendliness

Reviews

10/10 Excellent

Souad

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
great friendly hotel in a good location
Stayed 5 nights in Jul 2025

6/10 Okay

Jeffrey

Stayed 1 night in Jun 2025

8/10 Good

ABD ALMONEM

Liked: Staff & service, amenities, property conditions & facilities
I like being close to everything
Stayed 5 nights in May 2025

10/10 Excellent

Lisa

Traveled with family
Liked: Cleanliness, amenities, property conditions & facilities
Clean, safe, quiet. Perfect for our trip
Stayed 2 nights in May 2025

10/10 Excellent

Irene

Traveled with partner
Liked: Cleanliness, staff & service, amenities
Esly was very nice. She helped me several times when I called. Check in was smooth. We spent the day walking and taking Lyft over town and returned to the hotel to take a nice hot shower. Lovely.
Stayed 1 night in May 2025

10/10 Excellent

Sophie

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great place to stay!
Stayed 5 nights in May 2025

10/10 Excellent

Justin

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

Thank you for a wonderful stay

We enjoyed our stay and look forward to returning on our next stay in San Francisco. Everyone that works here is amazing and so nice.
Stayed 1 night in May 2025

10/10 Excellent

bernt erik

Liked: Cleanliness, staff & service, property conditions & facilities
Great!
Stayed 1 night in Apr 2025

10/10 Excellent

JEONGHOON

Stayed 1 night in May 2025

4/10 Poor

Belal

Traveled with partner
Liked: Staff & service
Disliked: Cleanliness, amenities
The property is just old. Looks a little bit haunted. The continental breakfast is bagels and pastries. No ac the room was hot and only a fan to cool it.
Stayed 2 nights in May 2025

10/10 Excellent

Leonard

Liked: Cleanliness
Very comfortable & super location
Stayed 1 night in May 2025

10/10 Excellent

helene

Business traveler
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great staff and great location
Stayed 1 night in Apr 2025

8/10 Good

Denise

Stayed 2 nights in Apr 2025

10/10 Excellent

Christopher

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 1 night in May 2025

8/10 Good

Franz

Liked: Cleanliness, staff & service, property conditions & facilities
Good hotel but limited street access
Stayed 1 night in Apr 2025

10/10 Excellent

Jennifer, Sacramento

Traveled with partner
Liked: Cleanliness, amenities
I love this hotel. The rooms are large. Quiet considering where it is located. Very nice staff. Great continental breakfast.
Stayed 1 night in Apr 2025

10/10 Excellent

Michael, Las Vegas

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very nice hotel steps away from Union Square. Staff was very friendly and helpful.
Stayed 3 nights in Apr 2025

10/10 Excellent

Sewon

Stayed 3 nights in Apr 2025

10/10 Excellent

Xavier

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

10/10 Excellent

Saurabh

Stayed 1 night in Mar 2025

10/10 Excellent

Midhuna

Liked: Cleanliness
Stayed 1 night in Apr 2025

10/10 Excellent

Jennifer, Palos Verdes Estates

Business traveler
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Friendly staff cute property
Stayed 1 night in Apr 2025

10/10 Excellent

Nicole

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

Cute hotel

Super cute hotel! It’s a small hotel and no on site parking but for a couple of adults it was perfect for us
Stayed 2 nights in Apr 2025

10/10 Excellent

Bob

Liked: Cleanliness, property conditions & facilities, room comfort
Great place to stay...great location. Charming place...just what we needed.
Stayed 1 night in Apr 2025

10/10 Excellent

Michael

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great spot def recommend!
Stayed 1 night in Apr 2025