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Fitness
Fitness Center
On-site fitness center featuring cardio equipment, weights, bikes and other equipment.
Welcome to JW Marriott San Francisco Union Square
Enjoy our luxury hotel in Union Square San Francisco
When you need a break from San Francisco's vibrant downtown, retreat to JW Marriott San Francisco Union Square, our reimagined luxury hotel. This 4-star pet-friendly hotel in San Francisco is ideal 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 by Forbes, business travelers appreciate our hotel in Union Square San Francisco with modern event venues boasting 16,648 square feet of space, advanced AV technology, open-air terraces and the highly versatile Pacific Conference Center. Enjoy exquisitely-appointed rooms with refined furnishings and sleek, spa-inspired bathrooms at JW Marriott San Francisco Union Square.
Rooms and Suites
Relax in the elegance of our sleekly modern guest-rooms and suites.
What to Expect
Plan and Prepare for your Stay
Architecture
Signature Spaces
Inspiration abounds throughout our Union Square hotel. Witness modernity mesh with eclectic finishes to create an aesthetic that is exclusively San Francisco.
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Thoughtfully Curated Cuisine
Level III Bar
Unwind with handcrafted cocktails and tantalizing light bites at Level III Bar. Showcasing an array of appetizing snacks, Northern California wines and cocktails, our bar near Union Square in San Francisco, CA is the perfect place to relax.
Thoughtfully Curated Cuisine
Level III Restaurant
Savor fresh, farm-to-table fare prepared with locally-sourced ingredients at Level III Restaurant. Enjoy à la carte breakfasts with a view on Saturdays and Sundays and dinner service offered 7 days a week at our farm to table restaurant in San Francisco.
Experience San Francisco
Take Your Heart to New Heights
Iconic San Francisco calls to everyone. And whatever you love, you’ll find it here. But not in the way you'd expect it. Because San Francisco transforms what you love into something completely unique. Something iconic. And San Francisco Marriott Union Square offers the most personal way to experience the city. Our incredible location in Union Square, amenities, and service let you discover the city your way. And what you find will make your heart soar.
Learn More
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OUR LOCATION
Tel: +1 415-771-8600
GETTING HERE
JW Marriott San Francisco Union Square
515 Mason Street, San Francisco, California, USA, 94102
This hotel does not provide shuttle service.
Alternate Airport Transportation
Super Shuttle - (415) 558-8500 / supershuttle.com; fee: 17.00 USD (one way) ;reservation required: $17.00 - One-way
Reservation Required: +1 415-558-8500
This hotel does not provide shuttle service.
Alternate Airport Transportation
Super Shuttle - (415) 558-8500 / supershuttle.com; fee: 27.00 USD (one way) ;reservation required: $27.00 - One-way
Reservation Required
On-Property
Local Shuttle $0.00
Nearby
Bus Station
San Francisco Greyhound StationSubway Station
Powell Street BART StationTrain Station
Design With Intent
Meetings and Events
Come together in our modern meeting facilities, where breathtaking city views and abundant natural light create the perfect backdrop to be mindful and present. From boardrooms to ballrooms, we offer an inspiring setting to enrich your event wonderfully.
Awards
Forbes Travel Guide Recommended 2025
Best of the Bay Area 2025
Property Details
Daily Housekeeping
Convenience Store
Dry Cleaning Service
Room Service
Wake up Calls
Mobile Key
Digital Check In
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: $100.00
Maximum Pet Weight: 25.0lbs
Maximum Number of Pets in Room: 1
Parking
Valet
Daily: $79.00
Additional Parking Information
Valet is also available for oversized vehicles for $89 plus tax per night. Max height of vehicle is 6 feet 4 inches.
Policies and Payments
Accepts: Credit Cards
Contactless mobile payments
Services
24-hour Front Desk
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
Property has elevators
Service Animals are welcome without a fee or documentation
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
Footprints
Carbon Footprint: 5.32 kg per room night
Water Footprint: 240.16 liters per room night
Environmental Practices
Guest Room Recycling
Frequently Asked Questions
The check-in time at JW Marriott San Francisco Union Square is 4:00 pm and the check-out time is 11:00 am.
The pet policy at JW Marriott San Francisco Union Square is:
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: $100.00
Maximum Pet Weight: 25.0lbs
Maximum Number of Pets in Room: 1
The parking options at JW Marriott San Francisco Union Square are:
Valet: Daily: $79.00
Valet is also available for oversized vehicles for $89 plus tax per night. Max height of vehicle is 6 feet 4 inches.
The property amenities at JW Marriott San Francisco Union Square are:
Restaurant
Fitness Center
Daily Housekeeping
Meeting Space
Convenience Store
Dry Cleaning Service
Room Service
Wake up Calls
Mobile Key
Digital Check In
Service Request
Guest Room Entertainment
Yes, JW Marriott San Francisco Union Square has in-room Wi-Fi available to hotel guests. Marriott Bonvoy members receive complimentary in-room Internet access when they book direct. Sign up for Marriott Bonvoy for free as you complete your JW Marriott San Francisco Union Square booking.
The closest airport near JW Marriott San Francisco Union Square is San Francisco International Airport (SFO). SFO is located approximately 14.0 Miles from the hotel.
No, JW Marriott San Francisco Union Square does not have electric vehicle charging stations.
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