Town Hall Address 2055 Second St. Slidell, LA 70458 United States- St. Tammany County Website https://myslidell.com Zoning 985-646-4320 250 Bouscaren St., Suite 203 Slidell, LA 70458 United States Tax Collector 985-646-4316 2045 Second St. Slidell, LA 70458 United States County St. Tammany