Town Hall Address 800 North French Street Wilmington, DE 19801 United States- New Castle County Website https://www.wilmingtonde.gov/home Zoning (302) 576-2100 800 North French Street Wilmington, DE 19801 United States Fire District (302) 576-3950 22 S Heald ST Wilmington, DE 19801 United States Town Clerk (302) 576-2100 800 North French Street Wilmington, DE 19801 United States Water (302) 576-2100 800 North French Street Wilmington, DE 19801 United States Sewer 302-395-5700 187A Old Churchmans Road New Castle, DE 19720 United States Tax Collector (302) 576-2100 800 North French Street Wilmington, DE 19801 United States Code Enforcement (302) 576-2100 800 North French Street Wilmington, DE 19801 United States Town Hall Hours Monday-Friday: 8:30AM – 4:30PM County New Castle