Tex. Local Government Code § 231.013: ZONING REGULATIONS GENERALLY.

The commissioners court of Cameron County or of Willacy County may, for the areas subject to this subchapter in its respective county, regulate:

(1) the height, number of stories, and size of buildings and other structures;

(2) the percentage of a lot that may be occupied;

(3) the size of yards, courts, and other open spaces;

(4) population density;

(5) the location and use of buildings, other structures, and land for business, industrial, residential, or other purposes; and

(6) the placement of water and sewage facilities, parks, and other public requirements.

Acts 1987, 70th Leg., ch. 149, Sec. 1, eff. Sept. 1, 1987.