Inn at Union Square

Hotels
9.4 (510 reviews)
440 Post Street , San Francisco , us

Children allowed

Facilities

WiFi available
Free WiFi
Non-smoking rooms
24-hour front desk
Heating
Lift / Elevator
Safety deposit box
Facilities for disabled guests
Meeting/banquet facilities
Non-smoking throughout
See all facilities

Review Highlights

Pros:
Ideal location
Friendly and helpful staff
Clean and comfortable rooms
Good breakfast options
Cons:
Hidden fees charged after stay
Issues with Wi-Fi accessibility

Categories

Cleanliness
9.29
Rooms were cleaned daily and well-stocked.
Service
9.76
Delightful and helpful staff, accommodating early arrivals.
Location
9.8
Ideal location, walking distance to restaurants and attractions.
Room Quality
9.25
Comfortable rooms with good quality bedding.
Amenities
9.28
Good amenities, including breakfast options.
Value for Money
8.74
Expensive but generally worth the stay.
Food and Beverage
9.29
Great breakfast variety and good quality.
Overall Experience
9.76
Fabulous stay with great service and location.
* This sentiment is summarized by AI based on user reviews.
Updated at: 2026-01-07 04:59

Property Description

Sophisticated Boutique Hotel Retreat
Experience the charm of The Inn at Union Square San Francisco, a unique and sophisticated hotel nestled in the vibrant heart of Union Square.

Prime Location
Located in the center of it all, our boutique hotel offers easy access to a wide array of San Francisco's top sights and attractions.

Proximity to Iconic Landmarks
Enjoy being just minutes away from famous landmarks such as the iconic cable cars, Golden Gate Bridge, and Fisherman's Wharf.

Book your stay now at The Inn at Union Square San Francisco for an unforgettable experience in the heart of the city.

Important information:

The property accepts reservations and will rent rooms and other facilities to people under the age of 18 in cases where either (i) a parent or legal guardian guarantees payment of all charges for rooms, food and beverage, incidentals and damages incurred; or (ii) a person under the age of 18 is legally emancipated and can present documentation at check in showing they are emancipated and can legally contract for services.

Guests are required to present at check in a valid photo ID and the credit card used for making their reservation. The name on the reservation, the ID and the name on the credit card must be the same. All special requests are subject to availability and additional charges may apply.Guests are required to show a photo ID and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.
A deposit may be required at the property.

Check-in and check-out hours:
Check-out: 11:00 AM
Airport code: SFO

Location

Guest Reviews

9.4
Based on 510 reviews
Cleanliness: 9.29
Service: 9.76
Location: 9.8
Room Quality: 9.25
Amenities: 9.28
Value for Money: 8.74
Food and Beverage: 9.29
Overall Experience: 9.76
N
N2763SZginod Couples Las Vegas, Nevada
10
Great hotel, great service from Antonio!
Pros:

The hotel is so amazing! Antonio helped greet me and was so friendly and welcoming! He was an expert at the city and really provided such great service! Thank you ANTONIO for all your help in making my experience amazing! - Gino

2026-08-28 via Tripadvisor
P
Paola family_with_children cl
10
2026-08-28 via Nuitee
1
100gabriellaa Solo travel
10
Helpful late checkout
Pros:

Antonio was nice and gave me a much appreciated late check out.

2026-08-27 via Tripadvisor
I
Ignacia couple cl
9
Pros:

The room was very spacious, the bed was very comfortable, and the staff were lovely and always willing to help. The hotel was better than expected!! Thanks!

Cons:

However there was no AC and the breakfast was continental, but

2026-08-26 via Nuitee
D
D1338SFmatthewg NONE
2
A 2-star box nightmare
Pros:

Our experience was underwhelming. The building was underwhelming and we did not stay the night, with the expectation that a refund would be fairly considered. The staff was unclear about this procedure and we were told that a manager would review the request in 3 weeks.

Simply, don’t expect customer service and be prepared to deal with the reality.

Deciding to leave, we found our claim immediately denied through our booking group. It would have been considerate to have known that we feasibly had no opportunity to recoup this expense. This would have helped with our decision making.

The true experience, is a damp, confined building desperately needing improvements.

Everything listed online is for show, as for the morning breakfast we were told that it was coffee with snacks. That could qualify as continental but advertised is a “very good breakfast” and a wine happy hour. The sole person at the front was not very enthusiastic about this information as we had to ask ourselves about this service, as it’s clearly a false sell point.

The room did not have air conditioning, with the only option to fresh air from a window with no screen dumping into an abandoned alley. We are traveling with a child so leaving the window open would have been unsafe. The bedding had stains on it and the hotel generally has seen better days. As said, this was discussed and when asked for a refund we were told they had no control of issuing a refund, and that we would have to work with our booking agent. We facilitated this, but simply this effort was only a gimmick of their to be hospitality.

For 260$ on a Wednesday night, you would think the cleanliness and comfort would be suitable. The carpet did not look suitable for crawling, and the mattress with it’s accompanying foam piece was as old as the historic row building.

2026-08-25 via Tripadvisor
T
thomasbT5994LY Solo travel
10
Wonderful stay
Pros:

Very nice stay at this small hotel with a true European feel. Terrific location near Union Square and Powell BART. Thank you Antonio for the great food recommendations.

2026-08-24 via Tripadvisor
T
Travel164826 NONE
10
Great experience!
Pros:

The Inn at Union Square is a lovely hotel. The staff were great; it's super clean, the value/price was perfect, and the atmosphere was beautiful. Thank you again! We will be back.

2026-08-24 via Tripadvisor
Q
Q6309EIjoec Couples
10
Always a good time at the Inn at Union Square
Pros:

Every time I stay in San Francisco, I stay at the Inn at Union Square. It’s conveniently near almost everything I find myself doing when in town. I’ve been helped on multiple occasions by Esly who is extremely nice and accommodating when I need to leave my luggage because I arrive early into town. There is a full day parking garage around the corner for $40 per night. I have never had any complaints with this hotel. It’s always top notch in cleanliness.

2026-08-24 via Tripadvisor
Y
Yuchen solo_traveller ca
10
Pros:

Clean bedding, friendly staff, great location

Cons:

Low-rise floors might get noise from upstairs

2026-08-23 via Nuitee
Z
Zephyros_ath Solo travel Athens, Attica
10
Great location
Pros:

Great location. Clean room. Fast WiFi. I was able to work. Antonio was very welcome and helpful.

2026-08-19 via Tripadvisor
Y
Yueh-Cheng solo_traveller tw
9
整體來說很不錯
Pros:

地點很方便,就在 Union square 旁邊,對於許多要跟一日旅遊團的旅客而言,前往集合地點相當方便。
飯店建築不算很大,但是房間內的空間可不小,甚至比想像中的還要大多了,這在市區實屬難得。有客廳、獨立衛浴、雙人床。房間內整理的非常整齊、乾淨。
早餐的部份還可以,品項不多略為單調,但該有的東西基本上有,如果只是吃一兩天不會太膩。

Cons:

房間裡的畫,會讓自己住的房客一開始有點嚇到,可能減少一下人像的照片和畫會比較好。

2026-08-17 via Nuitee
Y
YU couple us
10
A wonderful stay with a great location
Pros:

Excellent location near Union Square. The room was clean, comfortable, and charming, making it a great choice for a short stay in San Francisco. The staff were friendly and welcoming, and Antonio at the front desk especially stood out. He was warm, professional, and incredibly helpful, going above and beyond to make us feel welcome and well taken care of. His excellent hospitality made our stay even more enjoyable. Thank you, Antonio!

Cons:

N/A

2026-08-17 via Nuitee
D
dinaliciab2015 Solo travel
10
Great Stay!
Pros:

Great location, close to everything. The rooms where amazing and clean! No noise even if you are in the center of the Union Square, great wifi and reception was incredible!

2026-08-14 via Tripadvisor
_
_M8056IC Solo travel
10
Nice stay
Pros:

It was a very nice stay and Antonio the front desk was very patient with me

2026-08-14 via Tripadvisor
D
diegoarmandoa930 Couples
10
Exceptional Hospitality and a Wonderful Stay
Pros:

We had a wonderful stay at the Inn at Union Square. The hotel is very well located, comfortable, and the staff was incredibly friendly and attentive.

A special mention to Elena, who welcomed us with great kindness, hospitality, and professionalism. She made us feel very comfortable from the moment we arrived and was always willing to help.

Overall, we had an excellent experience and would definitely recommend this hotel to anyone visiting San Francisco. We would be happy to stay here again!

2026-08-13 via Tripadvisor
N
N2652BGchiarab Couples Trieste, Province of Trieste, Friuli Venezia Giulia
10
Wonderful stay in the heart of San Francisco
Pros:

We had a *3-night stay as a couple at Inn at Union Square
and had a really lovely experience.

As soon as we arrived, we were kindly upgraded to a room overlooking the street, which allowed us to really enjoy the atmosphere and energy of San Francisco. It was such a nice touch and made our stay even more special.

A special thank you to Antonio, who was absolutely wonderful. He was professional, extremely kind, helpful and attentive, taking the time to explain everything to us and provide us with all the information we needed. A truly lovely person who made us feel very welcome.

We also really enjoyed the easy-going, relaxed American-style breakfast. You simply go down to the second floor and enjoy it in a cozy little lounge, with the option of taking whatever you like back to your room. Very chill and convenient!

The location is excellent, making it very easy to explore the city. Our room was clean, comfortable, and the bed was incredibly comfortable.

Overall, we had a fantastic stay and would definitely come back. Highly recommended for anyone looking for a comfortable, welcoming hotel in a great location in San Francisco!

Thank you again to the whole team, and especially to Antonio, for making our stay so enjoyable!

2026-08-13 via Tripadvisor
V
Vacation20037534615 NONE
10
I could live here
Pros:

Wonderful room/suite, and location. Clean and quiet despite being in the center of all the action!! The complementary breakfast was great. The room was a suite - very spacious. Great shower, closet, refrigerator, etc. There are robes, coffee, 2 televisions, and enough space for two people who want to do very different things. Vewry well set up. I would recommend it to anyone.

2026-08-12 via Tripadvisor
M
Melissa couple co
8
Muy buen lugar para visitar San Francisco
Pros:

Está muy central y cerca de todo

Cons:

El
Colchón es muy blando

2026-08-11 via Nuitee
V
V3340KMchrisj NONE
10
The cleanest experience
Pros:

Great experience at The Inn at Union Square! The hotel was exceptionally clean, they cared about every detail, and the location is perfect for accessing the cable car, BART, and other transport options. We were welcomed by Antonio, a super friendly guy who gave us all the details we needed for our stay. The neighborhood is quiet, safe, and close to great sights. We would definitely stay here again!

2026-08-09 via Tripadvisor
5
584deborahs NONE Castle Rock, Colorado
10
Excellent Inn Near Union Square
Pros:

This is an older inn but the room was updated, new bathroom and everything was clean. Excellent value for the great location! Even though it is in the city, the room was quiet and the bed very comfortable. I thoroughly enjoyed my stay.

2026-08-07 via Tripadvisor