Future Kyle buildings may go vertical as city officials explored a new commercial zoning district last month. 

The district, called Mixed Use Zoning (MXD), is a proposed commercial zoning classification requiring a mix of commercial and residential uses within the same structure, according to city documents. 

The zoning district would allow structures to be constructed vertically. Buildings within the zone would be allowed a maximum height of 55 feet, or five stories, high. 

Under MXD, the upper...