Hilton Union Square
333 O'Farrell Street
San Francisco, CA 94102
Parc 55
55 Cyril Magnin Street
San Francisco, CA 94102
Hotel Nikko
222 Mason Street
San Francisco, CA 94102


The OSIsoft room block is now full. If you need to make changes to your already existing reservations, please email
If you have not yet registered for the conference and need hotel accommodations, please click here for options.


To avoid cancellation charges, please email at least 72 hours in advance if you need to adjust or cancel your reservation.
If you would like more information, you may also email or call the hotel directly: 


All three hotels have certified compliance with the Americans with Disabilities Act (ADA). Accessible facilities are available for the blind, hearing impaired and wheelchair users. Please email if you have any particular needs or questions.


The Hilton Union Square is in the heart of the Downtown San Francisco. Situated near Union Square, the hotel has easy access to various forms of public transportation, including the Powell St. BART Station
The hotel is next door to our two hotels that will host sessions this year, the Parc 55 and Hotel Nikko.