La. Stat. tit. 33 § 4721
For the purpose of promoting health, safety, morals, or the general welfare of the community, the governing authority of all municipalities may regulate and restrict the height, number of stories, and size of structures, the percentage of lot that may be occupied, the size of yards, courts, and other open spaces, the density of population, and the location and use of the buildings, structures, and land for trade, industry, residence, or other purposes; provided that zoning ordinances enacted by the governing authority of municipalities or the acts of the zoning commission, board of adjustment as herein provided for, or zoning administrator shall be subject to judicial review on the grounds of abuse of discretion, unreasonable exercise of the police powers, an excessive use of the power herein granted, or the denial of the right of due process, provided, further, that the right of judicial review of a zoning ordinance shall not be limited by the foregoing.
La. R.S. § 33:4721