Welcome to JW Marriott San Francisco Union Square

Luxury hotel in Union Square, San Francisco, California

When you need a break from the vibrant San Francisco downtown, retreat to JW Marriott San Francisco Union Square, our reimagined luxury hotel. This 4-star property is an ideal choice for a vacation in the heart of Union Square, near notable San Francisco attractions like Chinatown, Fisherman's Wharf, Ghirardelli Square and the Financial District. Give your energy a boost with an invigorating workout in our hotel's modern fitness center or enjoy fine dining in our delicious restaurant, Level III, featuring locally sourced San Francisco cuisine and artisanal cocktails. Named a Best Hotel for Business Travelers in 2022 by Forbes, business travelers appreciate our SF, Union Square, hotel's modern event venues with 16,648 square feet of space, advanced AV technology, open-air terraces and our highly versatile Pacific Conference Center. Enjoy the exquisitely appointed rooms that feature refined furnishings and sleek, spa-inspired bathrooms at our hotel in Union Square, San Francisco, California.

Destination Fee
Please note a daily destination fee of $25 + Tax will be added to the room rate except Gov/ Special Corporate rates. Destination fee includes $25 food and beverage credit, wine tasting experience, 2 one-way cable car tickets, and enhanced high speed internet.

Rooms and Suites

Relax in the elegance of our sleekly modern guest-rooms and suites.

JW Signature Service
Guest Room

Laundry Service

Every moment matters, that's why our on-site laundry and dry-cleaning services are available to expedite your dirty work so you can stay focused on what matters most. Contact service at (415)-771-8600.


Shipping and Receiving

Receiving or sending packages while on-the-go is never a hassle when you take advantage of our logistics service. Call ahead or visit our front desk for additional details. Contact service at (415)-771-8600.

Fitness Center

Stay Active with Peloton

Never miss a milestone with our onsite Peloton bikes, available for guest use 24/7 in our state-of-the-art fitness center.

The JW Convenience Store

Discover convenience at your fingertips within our hotel convenience store. Stocked with snacks, beverages, and travel essentials, our store has everything you need for a comfortable stay. Whether you're craving a late-night snack or forgot to pack your toothbrush, our convenience store is always available to our hotel guests.

What to Expect

Plan and Prepare for your Stay



JW Marriott San Francisco Union Square

515 Mason Street, San Francisco, California, USA, 94102

Tel: +1 415-771-8600
Distance from Property: 14 Miles
Phone Number: +1 650-821-8211
Visit Website
Alternate Airport Transportation

Super Shuttle - (415) 558-8500 / supershuttle.com

Distance from Property: 20 Miles
Phone Number: +1 510-563-3300
Visit Website
Alternate Airport Transportation

Super Shuttle - (415) 558-8500 / supershuttle.com


Bus Station

San Francisco Greyhound Station

Subway Station

Powell Street BART Station

Train Station

Property Details


Fitness Center

Meeting Space

Convenience Store

Dry Cleaning Service

Room Service

Wake up Calls

Free Wifi

Service Request

Guest Room Entertainment

Check-in: 4:00 pm

Check-out: 11:00 am

Minimum Age to Check In: 18

Smoke Free Property

Pet Policy

Pets Welcome.

Pets up to 25 lbs allowed with USD 100 non-refundable fee for each pet per stay

Non-Refundable Pet Fee Per Stay: $100

Maximum Pet Weight: 25lbs

Maximum Number of Pets in Room: 1

Parking Valet

Daily: $78

Electric Car Charging Station
Additional Parking Information

Valet is also available for oversized vehicles for $83 plus tax per night. Max height of vehicle is 6 feet 4 inches.

Policies and Payments

Accepts: Credit Cards

Contactless mobile payments


Property has elevators

Languages spoken by staff:
English, Chinese, Spanish, Tagalog

For more information about the physical features of our accessible rooms, common areas or special services relating to a specific disability please call +1 415-771-8600

Accessible Hotel Features

Accessible on-site parking

Property has elevators

Service Animals are Welcome

Valet parking for vehicles outfitted for drivers in wheelchairs

Accessible Areas with Accessible Routes from Public Entrance

Entrance to On-Site Business Center is Accessible

Entrance to On-Site Fitness Center is Accessible

Main Entrance is Accessible

Meeting Spaces are Accessible

On-Site Restaurants are Accessible

Room and Suites Access through the Interior Corridor

Guest Room Accessibility

Accessible Vanities

Adjustable Height Hand-Held Shower Wand

Alarm Clock Telephone Ringers

Bathtub Grab Rails

Bathtub Seat

Closed Caption TV

Deadbolts on Guest Room and Suites Doors

Electronic Room Key

Flashing Door Knockers

Guest Room and Suites Doors Self-Closing

Guests in mobility-accessible rooms may inquire about lowering the bed height

Hearing Accessible Rooms and/or Kits

Lever Handles on Guest Room Doors

Lowered Deadbolts on Guest Room Doors

Lowered Electrical Outlets

Lowered Night Guards on Guest Room Doors

Lowered Viewports in Guest Room Doors

Mobility accessible rooms

Non-slip Grab Rails in the Bathroom

Roll-in Shower

Room Windows Open

Safety Chains and/or Latches on Guest Doors

Secondary Locks on Room Windows

TTY/TTD Compatible

Toilet Seat at Wheelchair Height - Toilet for Disabled

Transfer Showers in Guest Rooms

Viewports in Guest Room and Suites Doors


Carbon Footprint: 9.14 kg per room night

Water Footprint: 334.8 liters per room night

Environmental Practices

Electric car charging