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HI San Francisco Downtown Hostel

Updated on Jul 20, 2026

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HI San Francisco Downtown Hostel

Hotels.com logo Lowest Price $103.74 Get Booking Details

Map image for 312 Mason Street SAN FRANCISCO, CA
Located in: SAN FRANCISCO, CA
Along with coffee/tea in a common area, this smoke-free hostel has a microwave in a common area and a refrigerator in a common area. WiFi in public areas is free. Additionally, laundry facilities, a 24-hour front desk, and a library are onsite.
Housekeeping is available on request.
HI San Francisco Downtown Hostel offers 99 accommodations with hair dryers and portable fans. Guests can surf the web using the complimentary wireless Internet access. Bathrooms include showers. Housekeeping is offered on request and irons/ironing boards can be requested.
Located in Union Square, a neighborhood in San Francisco, HI San Francisco Downtown Hostel is near a metro station. The area's natural beauty can be seen at San Francisco Bay and Presidio of San Francisco, while Bill Graham Civic Auditorium and California Academy of Sciences are popular area attractions. Looking to enjoy an event or a game? See what's going on at Oracle Park or Chase Center.
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Popular amenities
  • elevator
  • frontdesk 24 hour
  • heater
  • internet
  • laundry
  • microwave
  • no smoking
  • toys
Property amenities
Food and Drink
  • Coffee/tea in common area(s)
Internet
  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi
Parking
  • 24-hour offsite parking within 82 ft (USD 35 per night)
Things to do
  • Foosball table
Family Friendly
  • Laundry facilities
Conveniences
  • Elevator
  • Library
  • Lockers available
  • Water dispenser
Guest Services
  • 24-hour front desk
  • Housekeeping (on request)
  • Laundry facilities
  • Luggage storage
  • Multilingual staff
  • Tour/ticket assistance
Language Spoken
  • English
  • French
  • Portuguese
  • Spanish
Accessibility
  • Elevator
  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • In-room accessibility
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible path to elevator
  • Wheelchair-accessible public washroom
  • Wheelchair-accessible registration desk
More
  • Communal living room
  • Shared microwave
  • Shared refrigerator
  • Smoke-free property
Room amenities
Bedroom
  • Bed sheets
  • Blackout drapes/curtains
  • Heating
  • Portable fan
Bathroom
  • Hair dryer
  • Shower
  • Towels
More
  • Desk
  • Iron/ironing board (on request)
  • Laptop-friendly workspace
Policies
Check-in
  • Check-in start time: 3:00 PM; Check-in end time: 3:00 AM
  • 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
Pets
  • Pets not allowed (service animals are welcome, and are exempt from fees)
Special check-in instructions
  • Extra-person charges may apply and vary depending on property policy
  • Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
  • Noise-free guestrooms cannot be guaranteed
  • Safety features at this property include a fire extinguisher, a smoke detector, and a first aid kit
  • Special cancellation policies or charges may apply for group reservations (more than 8 rooms for the same property / stay dates)
  • 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
Property payment types
  • American Express
  • Diners Club
  • Discover
  • JCB International
  • Mastercard
  • Visa
Important Information
Optional extras
  • Nearby parking fee: USD 35 per night(82 ft away; open 24 hours)
  • The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.
You need to know
  • Extra-person charges may apply and vary depending on property policy
  • Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
  • Noise-free guestrooms cannot be guaranteed
  • Safety features at this property include a fire extinguisher, a smoke detector, and a first aid kit
  • Special cancellation policies or charges may apply for group reservations (more than 8 rooms for the same property / stay dates)
  • 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
We should mention
  • Only registered guests are allowed in the guestrooms
  • This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly)
 

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