The Mosser Hotel San Francisco | Union Square

Name: The Mosser Hotel, San Francisco
Address: 54 Fourth Street, San Francisco, California, 94103
Price range: US$64+
Rating: 7.6

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Key details

About the Hotel

54 Fourth Street, San Francisco, 94103

Close to Union Square

Very good

7.6

8.1

/10

4.0

3.5

Loved by The Mosser Hotel guests

Great location

Comfortable beds

Overhead fan

Many power outlets

Natural light

"I always like staying at the Mosser because of its nice location away from the scrappy areas of SF."

Kaushik from United States

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"The Mosser hotel is a wonderful place in a great location."

Jeremy C from United States

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"The location is perfect as it is right next door to both a Trader Joe's grocery store and a major transit hub (Powell St Station)."

Dina from United States

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Rooms: Comfort and Style

The Mosser Hotel offers non-smoking guest rooms with custom-designed furnishings. Rooms feature a flat-screen TV, double-pane windows, and a ceiling fan. Deluxe rooms include a private bathroom with bath amenities and guest robes, while economical rooms have shared hall bathrooms. All rooms provide free WiFi. Some rooms include mirror, internet access - wireless, air conditioning, and heating.

Dining: Keystone and Annabelle's

Guests can enjoy American comfort food at The Keystone. The Keystone features a twelve-seat communal table and a chef's counter overlooking an open kitchen. Annabelle's Bar and Bistro features traditional bistro decor. Annabelle's boasts a wine selection with over 20 wines by the glass and 125 by the bottle. The lobby serves a minimal free breakfast of muffins, coffee, and tea.

Things To Do

The Mosser Hotel is near shopping, dining, and entertainment. The Mosser Hotel is located in SoMa, a mixed neighborhood. Landmarks nearby include the Moscone Center (0.3 km), the San Francisco Museum of Modern Art (0.5 km), and Union Square (0.5 km). Other nearby landmarks include San Francisco City Hall (1.5 km), the Asian Art Museum (1.5 km), the Ferry Building (2 km), Coit Tower (2 km), the Exploratorium (2 km), and the Children's Creativity Museum (0.5 km).

Location: Near Union Square

Located in Downtown San Francisco near Union Square, The Mosser Hotel is close to the Moscone Convention Center. It is walking distance to Union Square, San Francisco West Field Mall, Moscone Center, The Sony Metreon, and Yerba Buena Gardens. The hotel is also within walking distance of the SF MOMA.

Services and Amenities

The Mosser Hotel provides free WiFi throughout the property. The hotel has a restaurant and a bar. Safety features include a carbon monoxide detector, a fire extinguisher, a smoke detector, and window guards. For bed linens and towels, laundry bags will be utilized to and from the cleaning facility. Replenished towels and linens will be provided upon request. Hotel personnel will not enter your room during your stay without permission. Public restrooms are available. All staff will wear personal protection equipment, including face masks.

“This hotel, positioned in the heart of San Francisco near Union Square, presents a compelling value, particularly for those prioritizing location and affordability. Its historic charm creates a distinctive ambiance, and I appreciate the lively social scene fostered by the lobby and on-site dining at The Keystone, making it a solid choice for budget-conscious travelers not seeking ultra-modern frills.”

Anna BlackEditor-in-Chief at Tohotel

Select your room type

The Mosser Hotel offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals

Double Room
2 persons
9 sq. feet
1 Double bed
Heating
Shower
room details
Queen Room Shared Bath
2 persons
10 sq. feet
1 King-size bed
Heating
Shower
room details
Deluxe Double Room
2 persons
10 sq. feet
1 Double bed
Heating
Shower
room details

Show all rooms

Price and Room Availability Calendar

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Check-in/ Check-out

Facilities

The Mosser Hotel offers amenities for your comfortable stay and unforgettable experiences

Facilities: Very good

7.3/10Review score

General

No smoking on site
Wi-Fi
Safe deposit box
24-hour reception
No pets allowed
Rooms/ Facilities for disabled
24-hour security
Luggage storage
Smoke detectors
Fire extinguishers

Services

Housekeeping
Laundry

Dining

Restaurant
Bar/ Lounge area

Room features

Sitting area
Tea and coffee facilities
Ironing facilities

Bathroom

Free toiletries

Media

AM/FM alarm clock

Room decor

Carpeted floor

Dining Onsite

At The Mosser Hotel, guests are invited to savor diverse dining experiences that reflect the heart of American cuisine. With options ranging from comfort food to sophisticated bistro delights, the onsite venues promise an indulgent culinary retreat just moments away from the vibrant city scene.

The Harlequin
American
Ambiance
Casual yet inviting, The Harlequin offers a cozy setting perfect for unwinding after a day of exploration.
Key Offerings
Guests can relish classic American comfort foods, made with a focus on quality and heartwarming flavors, available for lunch and dinner.
Reservation
Not needed.
Open daily from 3:00 PM to 12:00 AM.
The Keystone
American Comfort Food
Ambiance
The Keystone exudes a warm atmosphere, making it an ideal spot for both casual dining and special occasions.
Key Offerings
Highlights include elevated cocktails and a menu inspired by global flavors, ensuring every meal is a delightful experience.
Reservation
Recommended.
Open for lunch and dinner.
Annabelle's Bar and Bistro
Traditional Bistro Eats
Ambiance
With its sophisticated décor, Annabelle's provides a charming bistro setting perfect for savoring exquisite meals.
Key Offerings
Enjoy a selection of traditional bistro dishes complemented by a finely curated drink menu, ideal for intimate gatherings or lively conversations.
Reservation
Recommended.
Hours vary.
The Lobby
Light Breakfast Offerings
Ambiance
A welcoming space, the lobby serves as a cozy nook to begin each day with ease.
Key Offerings
Start the morning with a selection of muffins paired with freshly brewed coffee and a variety of teas.
Reservation
Not needed.
Available in the morning.

The Mosser Hotel Location

54 Fourth Street, San Francisco, 94103

Explore San Francisco

Explore Nearby Attractions

Chinatown

15 minutes' walk

Chinatown is the oldest and one of the largest outside Asia, offering vibrant shops, authentic eateries, and rich cultural experiences.

San Francisco Museum of Modern Art

6 minutes' walk

SFMOMA houses an impressive collection of modern art and hosts exciting exhibitions, making it a must-see for art enthusiasts.

Ferry Building

20 minutes' walk

The Ferry Building features gourmet food stalls and local goods, perfect for culinary explorers and a scenic waterfront view.

Moscone Center

3 minutes' walk

As a major convention center, Moscone hosts a variety of events, perfect for business travelers and large exhibitions.

Biking at Golden Gate Park

20 minutes' drive

Biking through Golden Gate Park provides scenic views and plenty of trails. Rentals available near the park entrance.

Yoga Classes at Yoga Tree

20 minutes' walk

Relaxing yoga classes are available at Yoga Tree, promoting wellness with various classes suitable for all skill levels.

Super Duper Burgers

4 minutes' walk

Casual eatery known for gourmet burgers, hand-cut fries, and local ingredients, vegetarian options available.

Tokyo Express

2 minutes' walk

Fast-casual spot offering sushi rolls, ramen, and teriyaki dishes, ideal for a quick yet satisfying meal.

The Masonic

20 minutes' walk

The Masonic hosts concerts and events, featuring a vibrant atmosphere and a variety of performances suitable for all ages.

SF Jazz Center

20 minutes' walk

Known for its intimate setting, SF Jazz Center offers nightly jazz performances, creating a lively scene for music lovers.

Getting around

City Centre
San Francisco 21 min · 1.1 mi
Airports
San Francisco International (SFO) 34 min · 13.8 mi
Oakland International (OAK) 47 min · 19.2 mi
Train
Caltrain - 4th & King Street Station 16 min · 4300 ft
Underground
Powell Street Station 4 min · 1000 ft

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Property information and rules

Check-in

from 15:00-23:59

Check-out

until 11 am

Guest Parking

No parking available.

Internet

Wireless internet is available in the entire hotel for free.

Children & extra beds

There are no extra beds provided in a room. There are no cots provided in a room.

Pets

Pets are not allowed.

Languages

English, German, Spanish, Arabic, Tagalog / Filipino

Year renovated:

2012

Number of floors:

Number of rooms:

166

Reviews and Ratings

Feedback about The Mosser Hotel from previous guests about their experience.

Review summary

Based on recent reviews

The Mosser Hotel is appreciated for its central location, right on Union Square, making it incredibly convenient to access shopping, dining, and public transport such as buses and subways. Many guests find the rooms clean and comfortable, ensuring a pleasant stay. Some rooms can get a little warm, particularly those on the top floor, although the windows do open to help with this.

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Review score

Based on 785 verified reviews

7.6 /10

Very good

73 %

Recommend

Location

8.9/10

Breakfast

8.7/10

Paid Wi-Fi

7.0/10

Facilities

7.3/10

Pros

Perfect location

Clean rooms

Nice staff

Good price

Cons

Rude employee

based on 2540 reviews

4/5

Charles from United Kingdom

Single

Double Room

3 nights in October 2025

Reviewed: January 13, 2026

9.0/10

charmed experience

convenient location helpful staff luggage storage

The location was convenient to transportation options. The hotel provided a helpful staff. The front desk allowed me to store my luggage. I found the experience pleasant.

The walls seemed thin. I could hear some noise from adjacent rooms.

Facilities

8/10

The premises offer basic amenities such as strong, stable wifi. Daily room cleaning is available. The option to decline daily cleaning exists, this allows for privacy. The overall cleanliness was satisfactory.

Dining

9/10

While the hotel lacks an on-site restaurant, its proximity to several dining establishments presents many options. Several restaurants and shops are nearby, this makes meals convenient. Target and Walgreens are within walking distance.

Location

10/10

The hotel has great location in the city center. Malls, pharmacies, and other stores are just steps away from the entrance. Tourist spots are easily accessible. Public transport is nearby.

0 Helpful

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thomas from united kingdom

Single

deluxe double room

6 nights in November 2025

Reviewed: December 28, 2025

9.5/10

fantastic!

helpful staff perfect room great time

i found the staff helpful and friendly! virgie, criselda, and lito were some of the best reception staff i have ever met. they were very generous, sharing insights to, which i appreciated so much! i will book here again!

the room was a bit smaller than i expected, offering limited space for luggage. it made navigating the room slightly challenging at times. still, i managed okay!

Location

10/10

the location is excellent, right in the city center, and everything is accessible! a target is across the street plus there are shopping malls, pharmacies, and restaurants just steps away. many tourist spots are within walking distance!

Facilities

9/10

the wifi was strong and stable, a crucial feature for me! also, they offer optional daily room cleaning if you want it. this means that you can control your room's privacy and when it will be cleaned.

Service

10/10

the reception staff was amazingly friendly, efficient, and kind! they were very good too meet my needs. they really helped me. i am forever grateful!!!

Rooms

9/10

my room was quiet with a comfortable bed, ensuring a sound sleep every night. the filipino reception staff even assigned me a corner room, especially quiet! it was complete with everything i needed.

0 Helpful

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Questions of the users

About The Mosser Hotel

What are the security deposit requirements and are there any additional resort fees during my stay?

5 November 2024

A security deposit of $75.00 is required upon check-in, which must be provided via a bank-issued debit or credit card. This deposit will be released within 5-7 business days after checkout. There are no resort fees at The Mosser Hotel.

Is it safe to explore the area around the hotel at night for a solo traveler, particularly a middle-aged woman?

15 November 2024

The hotel is situated in a bustling area close to Union Square, ensuring a safe walking environment with many business and tourist activities nearby. It is well-lit and frequented by visitors, providing a secure atmosphere for evening outings.

Are there facilities for guests who might require accessible shower options?

21 January 2025

The hotel offers accessible rooms equipped with walk-in showers, subject to availability. It's advisable to confirm requirements during the booking process.

What transportation options are available for getting from the airport to the hotel?

3 March 2025

Guests can choose from several transportation methods from San Francisco International Airport: shuttle services ranging from $17.00 to $19.00, Uber or taxi rides costing between $35.00 to $55.00, or a BART train ride for approximately $9.65. The BART station is a quick 30-minute ride to Powell Station, just a few minutes' walk to the hotel.

What are the parking arrangements nearby, and what are the costs involved?

10 April 2025

The Mosser Hotel does not have on-site parking, but nearby parking lots are available. One recommended option is the 5th & Mission garage, which charges around $60 for 24 hours. Alternatively, the SpotHero app can be used to find better parking deals in the area.

Is it possible to bring my emotional support animal to the hotel?

12 April 2025

Yes, documented Emotional Support Animals (ESAs) are welcome at The Mosser Hotel.

Are toiletries provided in the rooms that utilize shared bathroom facilities?

28 April 2025

Guests using shared bathroom facilities will find towels, shampoo, and body wash available for their convenience.

Can guests have access to a microwave and refrigerator during their stay?

2 May 2025

While rooms do not come equipped with a microwave, one is available for guest use in the lobby area. Mini fridges can be requested for an additional fee of $25.00 plus tax.

Does the hotel provide air conditioning in the guest rooms, particularly during hot weather?

15 May 2025

The Mosser Hotel does not offer air conditioning; however, all rooms feature ceiling fans to enhance air circulation. Even in summer, the coastal climate is generally mild, and mornings and evenings can be quite cool.

Are the windows in the guest rooms operable for fresh air?

20 May 2025

Yes, windows in the guest rooms can be opened to allow for fresh air circulation.