Town Hall Address 11 Poplar Avenue Elsmere, DE 19805 United States- New Castle County Website https://www.townofelsmere.com/ Zoning (302) 998-2215 11 Poplar Avenue Elsmere, DE 19805 United States Town Clerk (302) 998-2215 11 Poplar Avenue Elsmere, DE 19805 United States Water (302) 998-2215 11 Poplar Avenue Elsmere, DE 19805 United States Sewer 302-395-5700 187A Old Churchmans Road New Castle, DE 19720 United States Tax Collector (302) 998-2215 11 Poplar Avenue Elsmere, DE 19805 United States Code Enforcement 302-395-5555 87 Read's Way New Castle, DE 19720 United States County New Castle