Information Session: Union City, CA Posted on 18 April, 2012 by ehlsguest Loading Map.... Union City Library34007 Alvarado-Niles Road - Union CityDetails 37.587455 -122.027016 Date/Time: Wednesday, April 18, 2012 1:00 pm - 3:00 pm Location: Union City Library 34007 Alvarado-Niles Road Union City, CA 94587