Inn at Union Square

440 Post St., San Francisco, CA 94102 United States (USA) near Exit 2c b on I-80 (~1.6km)
View Map Reservations: 1-800-219-2797
3.5 Star Property
37.788490-122.409090
+1-800-219-2797
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Very Good
4.0/5

Based on 334 guest reviews

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  • Shuttle from airport available
  • The Avg. Group Discount is 22.0%!
  • Gym / Fitness Center Available
  • Hotel has 30 rooms
  • 6 floors in hotel
  • Check in time: 15:00
  • Groups/Meetings rating of 9.6/10

Check Current Prices






Standard prices by room type for the next 60 days

Rates shown are nightly rates before taxes and do not necessarily reflect all discounts available. The chart provides the cheapest public rates available by room type.

Verified Reviews of Inn at Union Square

Below are the verified reviews from guests that we have booked recently:
"Revue"
Overall Score4.0/ 5
Great as always! Antonio was great at check in.
(Individual traveler, booked 1 room), from US flag
05-Jul-2026 Verified Review, stayed from Fri Jul 03 to Sun Jul 05 2026 at a $227.00 average nightly rate.
"Lovely Little Hotel"
Overall Score5.0/ 5
The Inn is totally charming. It's old fashioned but has a great vibe. The room was well appointed, cozy and clean. Very friendly and accommodating staff. I would stay here again, for longer, in a heartbeat.
(Individual traveler, booked 1 room), from US flag
25-Oct-2025 Verified Review, stayed from Thu Oct 23 to Fri Oct 24 2025 at a $170.05 average nightly rate.
"Great Stay"
Overall Score5.0/ 5
Beautiful,clean boutique hotel. Friendly efficient staff. Convenient location.
(Individual traveler, booked 1 room), from US flag
02-Oct-2025 Verified Review, stayed from Mon Sep 29 to Tue Sep 30 2025 at a $175.00 average nightly rate.
4.0 out of 5. Based on 334 guest reviews

Property Description

Inn at Union Square offers an intimate boutique hotel experience in one of San Francisco's most iconic locations, ideal for groups seeking quality, character, and convenience in the heart of the city. With just 30 thoughtfully appointed rooms, the hotel provides a more personal and elevated stay steps from Union Square, where guests can easily gather before dinner, shopping, theater, meetings, or a day exploring San Francisco. Each morning begins with complimentary fresh pastries and coffee service, creating a warm and welcoming start for guests before heading out to nearby offices, events, Moscone Center, or the city's celebrated attractions.

Details / Other Expenses

Check In: 15:00
Check Out: 12:00
Year of Last Renovation: 2016
Floors: 6
Rooms: 30
Room Windows: Windows Do Open
Dist. to Food/Bars: 0.4 Km
FEMA Approved: Yes
Policies / Expenses
Total Taxes: 17.70%
Total Misc Fees: S$0.00 SGD
(mandatory resort fees/taxes)

Amenities / Features


  • Air conditioning
  • Airport Shuttle
  • Breakfast in room
  • Concierge service
  • Credit card accepted: Mastercard/Visa
  • Credit card accepted: American Express
  • Credit card accepted: Discover
  • Elevator
  • Facilities for the disabled
  • Fitness and health center
  • Internet - wireless
  • Laundry valet service
  • Non-smoking rooms
  • 24 hours opened
  • Office or business center
  • Restaurant

Airport & Shuttle Information

San Jose International Airport (46 miles), Oakland International Airport (18 miles), San Francisco International Airport (14 miles)

Airport Shuttle? Yes! There is an airport shuttle.

Breakfast Information

Breakfast Pastries and coffee

Pet Friendly?

Service animals complying with ADA Title lll regulations are allowed.

Sorry, pets are not allowed.

Parking Info

Union Square Public Parking Garage

Internet / WiFI

WiFi included

Seasonality and Projections at Inn at Union Square

Rate fluctuations of Inn at Union Square

The graph above is fluctuations of room rates for both our group prices and the lowest online individual prices our system could find at the time the group bid was submitted. The best group discount displayed is 21.8% in the month of December 2026 and the highest average individual rate is $612 in the month of January 2026. This chart will show past seasonality and also project future months. If you are flexible with dates, you may want to consider staying at Inn at Union Square in a month when rates are lower.

FAQs about Inn at Union Square

What time is check in?

Check in time is 15:00 based on the hotel's local time. Early check in may be available if requested at the front desk on the day of check-in.

What time is check out?

Check out time is 12:00 based on the hotel's local time. Late check out may be available if requested at the front desk during your stay.

How many rooms does Inn at Union Square have?

There are 30 sleeping rooms in the hotel.

What kind of breakfast is at Inn at Union Square?

Breakfast Pastries and coffee

What parking is available at Inn at Union Square?

Union Square Public Parking Garage

How much does internet cost?

WiFi included

Is there a gym at Inn at Union Square?

Yes, there is a gym/fitness area available on-site at the property.

Can I get a group rate at Inn at Union Square?

Yes, you can get room block and/or discount for a group if you need 10+ rooms per night. The average groups saves around 22.0%.

Testimonials:

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"This is an awesome site and very helpful in my search for a hotel for my dad's military reunion. Thank you!" S.B. - Pontiac, MI

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