Department of Planning and Development

Due to COVID-19 social distancing guidelines; notices will not be placed on door hangers but will be posted on or near fences, mail boxes, or another visible location on the property.


The Department of Planning & Development/Planning is responsible for guiding the orderly growth and development of St. Tammany Parish.


The Department of Planning & Development/Code Enforcement is responsible for enforcing the codes of the Parish to promote, protect, and improve the health, safety and welfare of the citizens of St. Tammany Parish.


Contact Us

  • Administrative Complex
    21490 Koop Dr.
    Mandeville, LA 70471

    Hours of Operation:
    Monday through Friday
    8:00am to 4:30pm