Town Hall Address 100 S. Pennsylvania Avenue Delmar, DE 21875 United States- Sussex County Website https://www.townofdelmar.us/ Zoning (302) 846-2664 100 S. Pennsylvania Avenue Delmar, DE 21875 United States Fire District (302) 846-2530 301 E Grove St Delmar, DE 19940 United States Town Clerk (302) 846-2664 100 S. Pennsylvania Avenue Delmar, DE 21875 United States Water (302) 846-2664 100 S. Pennsylvania Avenue Delmar, DE 21875 United States Sewer (302) 846-2664 100 S. Pennsylvania Avenue Delmar, DE 21875 United States Tax Collector (302) 846-2664 100 S. Pennsylvania Avenue Delmar, DE 21875 United States Code Enforcement (302) 846-2664 100 S. Pennsylvania Avenue Delmar, DE 21875 United States County Sussex