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333 O'Farrell Street, San Francisco, California (Ca), CA 94102 , USA (show map)
Hotel Overview

Lock in a great price now and relax with our Price Guardian working for you
Hotel prices fluctuate. Book now, we will check prices each day for you and then let you know how to re-book if an even better price becomes available.Rooms List
Setup a Price Alert for Hilton San Francisco Union Square
Each day we'll check prices and send you an email for your selected dates at Hilton San Francisco Union Square. If you don't have specific dates but would like to check prices for say next weekend or say next month we can check the price too.
When the hotel goes on sale you will know straight away from the daily email and be able to book with confidence that you've got excellent value.
Facilities of Hilton San Francisco Union Square
General
On-site parking, Parking, Pets allowed, Private parking, WiFi everywhere
Services
Internet services, WiFi
Food & Drink
Bar, Restaurant, Vending machine (drinks)
Pools and wellness
Fitness centre, Hot tub, Outdoor pool, Outdoor pool (all year)
Transportation
Car hire, Electric vehicle charging station
Front-desk/reception area services
24-hour front desk, ATM/cash machine on site, Concierge service, Currency exchange, Express check-in/check-out, Luggage storage, Safety deposit box, Tour desk
Cleaning services
Daily maid service, Dry cleaning, Ironing service, Laundry
Business facilities
Business centre, Fax/photocopying, Meeting/banquet facilities
Shops
Mini-market on site
Miscellaneous
Air conditioning, Allergy-free room, Designated smoking area, Facilities for disabled guests, Family rooms, Heating, Lift, Non-smoking rooms, Non-smoking throughout
Room facilities [ These may vary room to room ]
Air Conditioning, Alarm clock, Balcony, Cable Channels, Desk, Flat-screen TV, Free toiletries, Hairdryer, Heating, Ironing Facilities, Pay-per-view Channels, Radio, Refrigerator, Safety Deposit Box, Seating Area, Tea/Coffee Maker, Telephone, TV, Video
Hotel Policies
Check-In
From 15:00:00 hours
Check-Out
-11:00:00 hours
Cancellation / Prepayment
Cancellation, prepayment and 'book now pay later' policies vary according to room type. Please check the room conditions when selecting your room above.
Accepted credit cards
The hotel reserves the right to pre-authorise credit cards prior to arrival.
The fine print
Please note:There is a per night incidental charge that is refundable after inspection.Due to fire code policies, 1 extra bed/baby cot is only available in King Rooms. Any type of crib or extra bed needs to be requested from Hilton San Francisco Union Square.Pets up to 34 kg (75 lbs) are permitted, and charges are applicable. Please notify Hilton San Francisco Union Square if you have further pet questions.If a guest books a room that offers a breakfast-included rate, this room will provide breakfast for 2 guests. All additional guests will be charged.Guests must join the Hilton Honors loyalty program in order to receive free WiFi.Guests are required to show a photo identification and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.
Traveller reviews

“Good option for a city-center hotel, but too close to Tenderloin”
24 Apr 2025
Good location in terms of access to relevant places. Good room with a large desk and a very comfortable bed. Light groceries, restaurants and bars IN the hotel, very convenient. Excellent breakfast.

“Superb”
12 Jan 2025
The location was great for exploring the downtown, and most of the city wasn't further away than 15 minutes with public transportation. And the room had a nice view ,the beds were comfortable.

“Pleasant but wouldn’t return.”
08 Nov 2024
Very modern and clean. Room facilities were great. Lots of parking available for a fee. We were able to leave our car in the car park during the day whilst we explored the city.

“Very good”
21 Sep 2024
Very friendly and accommodating staff with a nice location to Union Square and transportation.