Town Hall Address 71 Morris St Barnwell, SC 29812 United States- Barnwell County Zoning 803-671-4043 57 Wall Street Barnwell, SC 29812 United States Fire District 803-671-1364 71 Morris St, Barnwell, SC 29812 United States Town Clerk 803.259.4980 71 Morris St Barnwell, SC 29812 United States Water 803.259.3266 71 Morris St Barnwell, SC 29812 United States Sewer 803.259.3266 71 Morris St Barnwell, SC 29812 United States Tax Collector 803.259.3266 71 Morris St Barnwell, SC 29812 United States Code Enforcement 803-671-4043 57 Wall Street Barnwell, SC 29812 United States Town Hall Hours F 9-5 County Barnwell