State directory
Property tax resources in Delaware
Browse 3 county-level administrative profiles. Each profile brings together the local valuation authority, property lookup tools, collection channel, and 2026 relief and appeal guidance.
County directory
Every Delaware county in one view
Sorted alphabetically for fast field use.
CountyResponsible officeAuthority
Kent County10001Kent County Levy Court, Division of AssessmentCounty AssessorView profile New Castle County10003New Castle County Office of Finance, Assessment DivisionCounty AssessorView profile Sussex County10005Sussex County Assessment DivisionCounty AssessorView profile