Town Hall Address 688 Hwy. 90 Bay St. Louis, MS 39520 United States- Hancock County Website https://www.baystlouis-ms.gov/ Zoning 228-466-5516 688 Hwy. 90 Bay St. Louis, MS 39520 United States Fire District 228-467-4736 543 Main St. Bay St. Louis, MS 39520 United States Town Clerk 228-466-5450 688 Hwy. 90 Bay St. Louis, MS 39520 United States Water 228-466-5450 688 Hwy. 90 Bay St. Louis, MS 39520 United States Sewer 228-466-5450 688 Hwy. 90 Bay St. Louis, MS 39520 United States Tax Collector 228-466-5450 688 Hwy. 90 Bay St. Louis, MS 39520 United States Code Enforcement 228-466-5516 688 Hwy. 90 Bay St. Louis, MS 39520 United States Town Hall Hours Monday - Friday 8:00 a.m. - 5:00 p.m. County Hancock