Hyatt Regency RochesterThe Hyatt Regency Rochester is a hotel in Rochester, New York. Standing at tall with 25 floors, it is the seventh tallest building in Rochester.HistoryGround was broken for the $40 million hotel in 1986, with opening set for late 1987, but construction stalled in early 1987 with just the steel framework complete. Work was restarted in 1990 and the hotel opened in 1992.