Town Hall Address 75 Railroad Ave Hilda, SC 29812-4503 United States- Barnwell County Zoning 803-671-4043 57 Wall Street Barnwell, SC 29812 United States Fire District 803-793-4665 56 Collins Ave Barnwell, SC 29812 United States Town Clerk 803.793.3818 75 Railroad Ave Hilda, SC 29812-4503 United States Water 803-541-1110 48 Ammie Ave Barnwell, SC 29812 United States Sewer 803-541-1110 48 Ammie Ave Barnwell, SC 29812 United States Tax Collector 803.793.3818 75 Railroad Ave Hilda, SC 29812-4503 United States Code Enforcement 803-671-4043 57 Wall Street Barnwell, SC 29812 United States Town Hall Hours Tu,Th 10-12 County Barnwell