Town Hall Address 1500 Upsan Downs Ardencroft, DE 19810 United States- New Castle County Town Clerk 302-529-1261 1500 Upsan Downs Ardencroft, DE 19810 United States Water 302-529-1261 1500 Upsan Downs Ardencroft, DE 19810 United States Sewer 302-395-5700 187A Old Churchmans Road New Castle, DE 19720 United States Tax Collector 302-529-1261 1500 Upsan Downs Ardencroft, DE 19810 United States Code Enforcement 302-395-5555 87 Read's Way New Castle, DE 19720 United States County New Castle