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JW Marriott San Francisco Union Square 4 stars Reservas Preferred hotels

515 Mason Street, CA 94102 San Francisco Show map

Score from 346 reviews   8.4/10 8.4

This 4-star hotel, in San Francisco’s financial district, offers air-conditioned rooms with chic, modern furnishings. It is less than a 5-minute walk from the San Francisco Symphony.

All luxurious rooms have a flat-screen TV and tea and coffee-making facilities. A spacious, private bathroom is included with each room of JW Marriott San Francisco Union Square.

JW Marriott San Francisco Union Square has a well-equipped gym. A 24-hour front desk service is also available.

A variety of local and international meals are served at the hotel’s Level Three Restaurant. JW Marriott San Francisco’s Level Three Bar offers a wide selection of cocktails and snacks.

San Francisco Airport is less than a 20-minute drive from JW Marriott San Francisco Union Square.

Rooms: 337

Hotel Chain: JW Marriott Hotels & Resorts


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The most recent booking for this hotel was made on Nov 28 at 04:39 from Turkey.

Facilities of JW Marriott San Francisco Union Square


  • Paid WiFi

Food & Drink

  • Restaurant
  • Room Service
  • Bar

Front Desk Services

  • 24-Hour Front Desk
  • Express Check-in/Check-out


  • Facilities for Disabled Guests
  • Family Rooms
  • Elevator
  • Heating
  • Hypoallergenic room available
  • All Spaces Non-Smoking (public and private)
  • Air Conditioning


WiFi is available in public areas and is free of charge.

WiFi is available in the hotel rooms and costs USD 9.95 per 24 hours.

WiFi is available in the hotel rooms and costs USD 16.95 per 24 hours.


Private parking is available on site (reservation is not needed) and costs USD 56 per day.

Policies of JW Marriott San Francisco Union Square

These are general hotel policies for JW Marriott San Francisco Union Square. As they may vary per room type, please also check the room conditions.


From 16:00 hours


Until 12:00 hours

Cancellation / Prepayment

Cancellation and prepayment policies vary according to room type.

Children and Extra Beds

Free! One child under 18 years stays free of charge when using existing beds.

Free! One child under 3 years stays free of charge in a crib.

One older child or adult is charged USD 25 per night in an extra bed.

The maximum number of extra beds/cribs in a room is 1.

Any type of extra bed or crib is upon request and needs to be confirmed by management.

Additional fees are not calculated automatically in the total cost and will have to be paid for separately during your stay.


Pets are allowed. Charges may apply.


When booking more than 9 rooms, different policies and additional supplements may apply.

Accepted credit cards

  • American Express
  • Visa
  • Euro/Mastercard
  • Diners Club
  • JCB
  • Discover

The hotel reserves the right to pre-authorize credit cards prior to arrival.

Important Information

You must show a valid photo ID and a credit card upon check-in. Special requests cannot be guaranteed and are subject to availability upon check-in. Additional charges may apply.

Please note: There is an extra parking fee for over-sized vehicles. Please contact the hotel for further details.

There is an electric car charging station available on the property.


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