The Hilton Hotels of San Francisco Union SquareTwo Distinctive Hotels. One Unforgettable Experience.

Two iconic hotels have come together to show guests the ultimate San Francisco experience. We've blended comfort, convenience, and style in the heart of Union Square, with both hotels offering unparalleled access to the city's most vibrant dining, shopping, and entertainment. Whether you desire the sleek, contemporary style and artful installations of Parc 55 or the bold, sky-high style and hospitality of Hilton San Francisco Union Square, you'll experience exemplary service, modern amenities, and the flexibility to explore and indulge in the unique offerings of both.

a room with tables and chairs Link to Larger Item Photo, ListItemCarouselImage1
a group of people outside of a building Link to Larger Item Photo, ListItemCarouselImage2
a woman sitting on a chair with a dog on the balcony Link to Larger Item Photo, ListItemCarouselImage3
a person lying on a bed reading a newspaper Link to Larger Item Photo, ListItemCarouselImage4
a group of people sitting on a couch in a room with a large window Link to Larger Item Photo, ListItemCarouselImage5

The Height of San Francisco Hospitality

Welcome to your golden gateway to the City by the Bay. Hilton Union Square is the threshold to the most exciting opportunities in San Francisco, with the city’s highest hotel rooms offering stunning views of iconic landmarks. Enjoy the heated rooftop pool, a year-round delight, and be sure to visit Cityscape, San Francisco's highest sky bar, with 360-degree views of the city's beauty and vibrancy—an unforgettable backdrop for any occasion.

PROPERTY HIGHLIGHTS AT A GLANCE
Bar Icon White

46th Floor
Cityscape
Sky Bar

Hotel Room Icon White

Highest Hotel
Rooms in
the City

Swim Icon White

Outdoor
Heated
Pool

a lobby with a reception desk and columns Link to Larger Item Photo, ListItemCarouselImage1
a man lying on a bed with a woman taking a picture of a city Link to Larger Item Photo, ListItemCarouselImage2
a woman in a bathrobe holding a small object in her hand Link to Larger Item Photo, ListItemCarouselImage3
two women sitting on a couch holding drinks Link to Larger Item Photo, ListItemCarouselImage4
a man and woman sitting on a bed with a dog Link to Larger Item Photo, ListItemCarouselImage5

The Canvas for Your Next Masterpiece Adventure

No matter your interests, Parc 55 makes for the ideal retreat, featuring a melting pot of the art, cuisine, and neighborhood that define San Francisco. A striking sanctuary of contemporary comforts, Parc 55 features top-tier amenities, Michelin-starred dining, and a rich influence of the city's diverse culture. Find yourself steps from the city’s renowned museums, theaters, stadiums, and dining options, with Parc 55 as your perfect base for exploring all San Francisco has to offer.

PROPERTY HIGHLIGHTS AT A GLANCE
Flower Icon White

Michelin-Rated
Dining at
Kin Khao

Crokery Icon White

Breakfast, Lunch,
and Dinner at
Cable 55

Art Icon White

Art Installations
& Pop-up
Experiences

Guest Rooms and SuitesFind the Perfect Fit for Your Stay in San Francisco

a bed with white sheets and a lamp

1 King Bed Standard

Explore San Francisco rested and rejuvenates after night’s sleep in our standard King Bedroom.

a hotel room with two beds

2 Double Beds Balcony

Treat yourself to a large, private balcony with breathtaking views of San Francisco from the highest hotel tower in the city.

a hotel room with a tv and a bed

1 King Bed Junior Suite

With an open layout containing one King bed and a seating area, this junior suite is perfect for trios or solo travelers on extended stays

a bed with white sheets and a lamp

1 King Bed Standard

Dramatic bay-style windows really make a statement in our spacious standard King Bedroom.

a hotel room with a bed and a television

1 King Corner Room

Enjoy expansive views of the City by the Bay’s downtown hustle from two large bay-style windows.

a hotel room with two beds and a tv

2 Double Beds Junior Suite

Great for families needing more space, this suite has two Double beds and a twin pullout sofa.

Special Offers Upgrade Your Stay with Our Deals and Packages

Park and Stay

Park and Stay

Park easy then sleep in with our Park and Stay package. Receive daily complimentary self-parking at our hotel garage and late checkout (saving $100 per night). In and Out garage privileges permitted.

Park and Stay

Cityscape Weekend Escape

Enjoy a skyline view room and $50 credit in the Cityscape Lounge, San Francisco's highest sky bar, thanks to our Cityscape Weekend Escape package.

a woman holding a dog and a man standing at a reception desk

Tails of the City

Your next San Francisco won’t be as fun without your four-legged family members. This package includes dog treats, dog bags, and a guide to our favorite dog-friendly businesses in San Francisco.

a group of people walking on a sidewalk

Family Exploration Weekend

Make it a San Francisco family trip! You receive a guaranteed room with two beds and up to four passes for San Francisco's award-winning Big Bus Tour, with stops at the Golden Gate Bridge, museums, parks, and more.

Park and Stay

Park and Stay

Receive free daily parking for each night of your stay with us thanks to this convenient Park and Stay offer.

a man and woman sitting on a bench with a bridge in the background

Romance Package

Parc your heart in San Francisco. With this package, you receive an upgraded room view, chocolate-covered strawberries, and two tokens to our Moet Champagne vending machine to pop some bubbles (must book 48 hours in advance).

Romance Package

Tails of the City

Let us take care of your furry family members while you’re staying in San Francisco. Our Tails of the City package includes dog treats, dog bags, and a guide to our favorite dog-friendly businesses in San Francisco.


 
a group of women holding drinks

Bubbles & Bloom

Stop and smell the roses when you stay within walking distance to Union Square Bloom. Our famous Bubbles & Bloom deal includes overnight accommodations, 50% credit to "Bloom 55," and two tokens to our Moet Champagne vending machine to enjoy some bubbles!


 

Dining & DrinksFrom Michelin Stars to Sky Bars, We Have Everything

a room with a large window overlooking a city

Cityscape Sky Bar

Top-shelf spirits, locally inspired craft cocktails, a wide selection of wine and beers, small plates, and 360-degree city views—all this and more await you 46 stories above Union Square at Cityscape, San Francisco’s tallest sky bar.

a room with tables and chairs

Poached

At Poached, coffee is life—and breakfast is better with options. Start your day the right way with our substantial breakfast buffet, filled with delicious staples and healthy alternatives with options for special diets.

a food store with a sign

Herb N' Kitchen

Find bakers' confections, artisanal salads and sandwiches, fresh coffee, and gourmet bites prepared from scratch at our convenient on-the-go urban market.

a group of men sitting at a bar

The Lobby Bar

A classic drinking destination in any setting, The Lobby Bar is the perfect place to relax and connect over creative cocktails and California wines in a warm, welcoming atmosphere.

a table with plates of food and a glass of wine

Cable 55

American classic infused with a light California flair are on the menu for breakfast, lunch, and dinner at Cable5 55. As a Surfrider Foundation Ocean Friendly Restaurant, Cable 55 is dedicated to sustainability serving you.

a restaurant with tables and chairs

Kin Khao

Seasonal produce and sustainably sourced meats and seafood pair perfectly with fresh homemade curry pastes, sauces, and relishes at our Michelin-rated Kin Khao, serving Thai food that stays true to its origin.

a pair of hands holding up a glass of alcohol

The Lobby Bar

Craft cocktails and delicious food are on the menu at The Lobby Bar, where you can relax with friends and enjoy views of Market Street right in the heart of the hotel.

 
a person holding a paper bag and a coffee cup

The Morning Market

Grab a coffee and a quick breakfast from our convenient Morning Market, located right in the lobby. What a great way to kickstart your day!

 

Amenities From the Pool to the Pillow, We’ve Got You Covered

  • Connecting Room
  • Smoke Free
  • Digital Key
  • Concierge
  • EV Charging
  • On-site Restaurant
  • Michelin Star
  • Fitness Center
  • E-bikes
  • Pet Friendly
  • Business Center
  • Meeting Room
  • Outdoor Pool
 
a couple of people riding bicycles on a path near a bridge

E-Bikes

Fun to ride and eco-friendly as well, eBikes make for an efficient and convenient way to explore the city. See the sites from a speedy perspective with our eBike rentals.

a woman doing yoga in front of a window

Fitness Center

Stay active and energized during your stay thanks to our fully equipped fitness centers. Guests have access to modern exercise equipment, free weights, and cardio machines.

a vending machine with flowers on top

Moet Vending Machine

Everything’s better with a little bit of the bubbly! Both hotel lobbies feature Moet vending machines providing a sparkling treat whenever you’re thirsty.

a large printer in a room

FedEx Business Center

Work without interruption during your stay in our fully equipped FedEx business centers. We provide a wide range of convenient and efficient equipment and services for your business needs.

a dog sitting in a suitcase

Pet-Friendly Hotel

At Hiltons of Union Squar, we know that no trip is complete without your furry companions. We offer pet-friendly accommodations applicable to pets under 50 lbs. with a $50 fee.

The Best of Both Worlds

No matter where you stay — Hilton San Francisco Union Square or Parc 55 — we share amenities and services seamlessly, elevating your stay with us to new heights

a group of people jumping into a pool
a group of people holding drinks

Enter Our Golden Gateway
to San Francisco

Because our properties are only a few blocks away from all modes of transportation you’ll need, we place you in the heart of San Francisco. You’re never far from the city's iconic landmarks and sites.

Iconic Sights within Walking Distance

Iconic Sights within 2 Miles

Iconic Landmarks Easily Accessible by Public Transportation

a city with many tall buildings Link to Larger Item Photo, ListItemCarouselImage1
a hand holding a cup of coffee Link to Larger Item Photo, ListItemCarouselImage2
a sign with flowers on it Link to Larger Item Photo, ListItemCarouselImage1
a man walking in a restaurant Link to Larger Item Photo, ListItemCarouselImage2

Event Space

a large room with a large ceiling and chandelier Link to Larger Item Photo, ListItemCarouselImage1
a large room with tables and chairs Link to Larger Item Photo, ListItemCarouselImage2
a large room with tables and chairs Link to Larger Item Photo, ListItemCarouselImage3

The Largest Hotel in California

More than 130,000 square feet of endlessly customizable meeting and event space awaits you at Hilton San Francisco Union Square. This property host grand events of up to 3,400 guests, with 73 unique spaces such as ballrooms, executive-style meeting space, and outdoor terraces.

  • 150,293 sq. ft.

    Total Event Space
  • 29,637 sq. ft.

    Largest Room Setup
  • 44

    Meeting Rooms
  • 1,921

    Guest Rooms
a large room with blue carpet and lights Link to Larger Item Photo, ListItemCarouselImage1
a room with rows of chairs Link to Larger Item Photo, ListItemCarouselImage2
a large room with blue and white carpet Link to Larger Item Photo, ListItemCarouselImage3

Parc 55 — Inspired Event Spaces

Contemporary, modern design, room for events from 10 to 500 guests, and 30,000 square feet of meeting space — Parc 55 offers ballrooms, pre-function spaces, and conference rooms to accommodate all kinds of events.

  • 30,685 sq. ft.

    Total Event Space
  • 6,840 sq. ft.

    Largest Room Setup
  • 21

    Meeting Rooms
  • 1,024

    Guest Rooms