State directory
Property tax resources in Massachusetts
Browse 14 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 Massachusetts county in one view
Sorted alphabetically for fast field use.
CountyResponsible officeAuthority
Barnstable County25001N/ACounty AssessorView profile Berkshire County25003N/ACounty AssessorView profile Bristol County25005N/ACounty AssessorView profile Dukes County25007Dukes County government/GIS; Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile Essex County25009Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile Franklin County25011Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile Hampden County25013Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile Hampshire County25015Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile Middlesex County25017Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile Nantucket County25019Town and County of Nantucket Assessor’s Office and Town CollectionCounty AssessorView profile Norfolk County25021Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile Plymouth County25023Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile Suffolk County25025Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile Worcester County25027Massachusetts Department of Revenue, Division of Local Services/Bureau of Local Assessment; municipal assessors and tax collectorsCounty AssessorView profile