For the purpose of this chapter, the city is hereby divided into districts as follows:

The location and boundaries of the districts herein established are shown upon the official zoning map, which is hereby incorporated into this chapter. The zoning map is maintained at city hall.

Uses not specifically listed are prohibited.

No building which is not constructed of a material approved for use by a national model code published within the last three code cycles that applies to the construction, renovation, maintenance, or other alteration of the building, shall be designated for use for any purpose or in any manner moved, relocated or permanently installed within the corporate limits of the city; provided, however Texas Manufactured Housing, or Texas Industrialized Housing, no older than five years of age, and used for residential purposes in a district zoned residential, shall be exempt from this section.