31040 Alvarado-Niles RdUnion City, CA 94587 Phone: +1 510-475-5600Fax: +1 510-475-5300Toll Free: +800-426-7866 Hotel E-mailHotel Website Classification 3 Superior Tourist Class Commission Rooms Rates 10% 90 $219-$234 (USD) Hoteliers! Is your information accurate? Update Here Hampton Inn Union City Location & Neighborhood in the heart of California's Bay Area - 14.300 MI from Oakland Intl airport. OaklandHotel Location: Highway, Lake