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515 Mason Street  San Francisco  California  94102  USA 

Our best rate. Guaranteed.


To make reservations by phone, call 1-800-228-9290 in the USA and Canada (or any of our worldwide reservation telephone numbers).

Hotel Details

JW Marriott San Francisco Union Square

515 Mason Street

San Francisco, California 94102 USA

Sales Fax:

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JW Marriott San Francisco Union Square

JW Marriott San Francisco Union Square JW Marriott San Francisco Union Square

515 Mason Street

San Francisco, California 94102

  • Check-in: 4:00 PM
  • Check-out: 11:00 AM
  • Express Check-In and Express Checkout
  • Video Review Billing , Video Checkout
  • Guest rooms Wireless, Wired
    • High Speed: Check email + browse the Web for 9.95 USD/day
    • Enhanced High Speed: Video chat, download large files + stream video for 16.95 USD/day
  • Lobby and public areas: Complimentary Wireless
  • Meeting rooms: Wireless, Wired
  • Valet parking, fee: 66 USD daily
  • Valet parking ONLY USD 66 plus 14 percent tax per night - SUVs and oversized vehicles USD 76 plus tax
  • Electric car charging stations : 1 , Complimentary
  • 21 floors , 290 rooms , 51 suites
  • 14 meeting rooms, 12,446 sq ft of total meeting space
  • 1 concierge level
  • Pets Welcome
  • Non-refundable fee: 75 USD
  • Pets up to 25 lbs allowed with USD 75 non-refundable fee for each pet per stay
  • Contact hotel for details
  • All public areas non-smoking
  • Beauty shop, nearby (referral at front desk)
  • Buffet breakfast, fee from: 29.00 USD
  • Cash machine/ATM
  • Coffee/tea in-room
  • Concierge Lounge Hours
  • Concierge desk
  • Continental breakfast, fee from: 21.00 USD
  • Foreign exchange
  • Full American breakfast, fee from: 29.00 USD
  • Gift/newsstand
  • Hot breakfast, fee from: 29.00 USD
  • Housekeeping service daily
  • Mobility accessible rooms
  • Newspaper delivered to room, on request
  • Newspaper in lobby
  • Phone calls: toll-free
  • Room service, 6:00 AM-11:00 PM
  • Safe deposit boxes, front desk
  • Valet dry-cleaning
  • Virtual Concierge Available

General Room Amenities

  • Air conditioning
  • Alarm clock
  • Coffee maker/tea service
  • Crib/Play Yard : Portable play yard-type crib, Traditional crib Complimentary
  • Individual climate control
  • Iron and ironing board
  • Luxurious bedding - down comforters, custom duvets, cotton-rich linens
  • Pillows: down/feather
  • Pillows: foam
  • Pull-out sofa bed
  • Rollaway bed : 40.00 USD Per Room Daily
  • Safe

Bathroom Amenities

  • Bathrobe
  • Hair dryer
  • Separate tub and shower

Room Entertainment

  • Cable channel: CNN
  • Cable channel: ESPN
  • Cable channel: HBO
  • Cable/satellite TV
  • Color TV
  • Movies/videos, pay-per-view
  • Plug In Panel

Kitchen Amenities

  • Refrigerator
  • Water purification system

Business Amenities

  • Electrical outlet: desk level
  • Phone feature: cordless
  • Phone feature: speakerphone
  • Phone feature: voice mail
  • Two-line phone
    • Phone:  +1-415-929-2087
    • California
    • Open for breakfast, lunch and dinner
    • Take San Francisco dining to the next level at a sophisticated Nob Hill restaurant. As one of the top restaurants in San Francisco Union Square, Level III offers sharable dishes and handcrafted cocktails in a sleek environment.
    • Phone:  +1-415-771-8600
    • Eclectic
    • Open for lunch and dinner
    • Unwind with a custom cocktail created by our courteous bartenders while savoring light snacks at one of the most distinguished bars in Union Square. Northern California grapes are prominently featured at this wine bar, flanked by a cozy fireplace.


  • Fitness Center


  • Harding Park 11.1 miles
    Flemming Course
    Harding Park Course
  • Presidio 5.3 miles
  • Olympic Golf Course 11.6 miles
    Olympic Golf Course
  • San Geronimo Golf Course 26 miles
    San Geronimo Golf Course
  • Lincoln Park Golf Course 4.9 miles
    Lincoln Park Golf Course


  • Bowling 0.8 miles
  • Horseback riding 11 miles
  • Jogging/fitness trail 1.3 miles
  • Sailing 1 miles
  • Squash 1.5 miles
  • Surfing 6 miles
  • San Francisco International Airport - SFO

    Airport Phone: +1 650 821 8211

    Hotel direction: 14 miles NE

    This hotel does not provide shuttle service.

    • Alternate transportation: Super Shuttle - (415) 558-8500 /; fee: 17 USD (one way) ;reservation required
    • Estimated taxi fare: 40 USD  (one way)

    Visit SFO airport website  

    Take US-101 N. Slight right onto I-80 E (signs for Bay Bridge/Oakland). Take exit 1A toward US-101 N. Merge onto 7th St. Turn right onto Folsom St. Turn left onto 6th St. Continue onto Golden Gate Ave/Taylor St. Turn right onto Taylor St. Turn right onto Post St. Destination will be on the left.

  • Oakland International Airport - OAK

    Airport Phone: +1 510 563 3300

    Hotel direction: 20 miles NW

    This hotel does not provide shuttle service.

    • Alternate transportation: Super Shuttle - (415) 558-8500 /; fee: 27 USD (one way) ;reservation required
    • Estimated taxi fare: 60 USD  (one way)

    Visit OAK airport website  

    Merge onto I-880 N via the ramp to Downtown/Oakland. Take exit 46A on the left for I-80 W toward San Francisco/Bay Bridge. Keep left at the fork and merge onto I-80 W. Take exit 2C to merge onto Fremont St. Turn left onto Mission St. Turn right onto 3rd St. Turn left onto Geary St. Turn right onto Taylor St. Take the 2nd right onto Post St. Destination will be on the left.

  • Copy service
  • Fax service
  • Full-service business center
  • Messenger service
  • Network/Internet printing
  • Notary public
  • Overnight delivery/pickup
  • Post/parcel

For more information call the general manager of the hotel

  • Accessible guest rooms have a 32 inch wide opening
  • Fitness center entrance is accessible
  • Meeting spaces are all accessible
  • Registration desk is accessible
  • Route to accessible guest rooms is accessible
  • Business center entrance is accessible
  • Main entrance is accessible
  • Pathway to registration desk is accessible
  • Restaurants and lounges are all accessible
  • Service animals allowed for persons with disabilities

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