Union City Library (map) 34007 Alvarado-Niles Road Union City, CA, 94587 United States ✚ gCal ✚ iCal Who: Children who receive free or reduced-price meals during the school year.When: 10:00 am—8:00 pm July 6, July 20 and August 3 While supplies last; one bag per familyWhere: Union City Library, 34007 Alvarado-Niles Rd.