Room Types
Available from
Fri 07 Aug 2026
to
Sat 08 Aug 2026
About This Hotel
Found Union Square powered by Sonder
Located in the heart of San Francisco, Sonder at FOUND Union Square is 400 metres from Union square and 800 metres from Moscone Center. It is a 5 minutes’ walk from San Francisco’s Powell Street BART and Muni station. Sonder at FOUND Union Square features free WiFi throughout the property. There is a 24-hour front desk at the property along with common spaces. There is also on-site laundry available for an additional fee. San Francisco City Hall is 1 km from Sonder at FOUND Union Square, while Coit Tower is 2 km from the property. The nearest airport is San Francisco International Airport, 23 km from the property.
What's Included
Check-in/Check-out
Check-in from: 16:00
Check-out until: 11:00
Facilities & Amenities
Free WiFi
Available throughout
Activities
Tennis, Sauna, Gym
Highlights
100 meters to public transportation
Powell Street Subway Station is within 100 meters
Located in heart of San Francisco (CA)
This neighborhood is preferred by frequent travelers. Properties here have the highest location ratings, high review scores, and lots of bookings
Location
140 Mason St., San Francisco Downtown, San Francisco (CA), United States, CA 94102
Guest Reviews
8
Excellent
Guest score out of 10
★
★
★
★
★
“Very clean and staff had excellent customer service”
— Marjorie
, United States
“The Mason House Restaurant was a fabulous experience as well : the salmon was nice and crispy and the cocktails were a great nite-cap for the evening.”
— Ronald Rhami
, United States
“This is a well located, convenient, and clean hostel.”
— Andrew
, United States
“The front desk staff is very nice.”
— Andrew
, United States
“To be a hostel this was a really great experience.”
— Marjorie
, United States
