Hyatt Union Square New York Meeting Rooms & Events Meeting Capacity: 2 meeting roomsMeeting Space: 3,500 sq ft Hyatt Union Square New York Business Services Business CenterCopier FaxAdministrative Services 134 Fourth AvenueNew York, NY 10003View Large Map Phone: +1 212-253-1234Fax: +1 212-253-5900Toll Free: +800-233-1234 Hotel E-mailHotel Website Classification 7 Superior First Class Commission Rooms Rates 10% 178 $329-$749 (USD) Hoteliers! Is your information accurate? Update Here