Last Updated: Dec 03, 2018 02:16PM PST

To reserve 9 rooms or less:
  • Visit ADA's 79th Scientific Sessions Room Block Request.
  • Complete the information on the Room Block Request page and select 'Submit Block Request'.
  • All online reservation requests require a credit card guarantee.
  • An ADA Housing Support Agent will contact you once your block request is confirmed and will send you a Group Booking Contract to sign and return within 48 hours.
  • An online housing username and password will be emailed to the group contact for online room block management once the Group Booking Contract has been processed.
Note that rooms requested through this site may not request breakfast/packaged coupons or porterage. To reserve an all-inclusive, International group package, please visit the CMR Global Group Services Website

Should you need to change your original request after submitting it, please send us a message through the ADA Registration & Housing Support Center or call (866) 290-9910 (U.S. & Canada) or (415) 268-2086 (International).