State directory
Property tax resources in Maine
Browse 16 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 Maine county in one view
Sorted alphabetically for fast field use.
CountyResponsible officeAuthority
Androscoggin County23001Androscoggin County Treasurer's OfficeCounty TreasurerView profile Aroostook County23003Aroostook County Treasurer's OfficeCounty TreasurerView profile Cumberland County23005Cumberland County Regional Assessing ProgramCounty AssessorView profile Franklin County23007Franklin County Treasurer's OfficeCounty AssessorView profile Hancock County23009Hancock County Finance Department & Treasurer's OfficeCounty AssessorView profile Kennebec County23011Kennebec County Treasurer's OfficeCounty AssessorView profile Knox County23013Knox County Finance Director/TreasurerCounty AssessorView profile Lincoln County23015Lincoln County Finance Department / County TreasurerCounty AssessorView profile Oxford County23017Oxford County Treasurer's OfficeCounty AssessorView profile Penobscot County23019Penobscot County Treasurer's OfficeCounty AssessorView profile Piscataquis County23021Piscataquis County Finance Department / County TreasurerCounty AssessorView profile Sagadahoc County23023Sagadahoc County Treasurer's OfficeCounty AssessorView profile Somerset County23025Somerset County Finance Department / TreasurerCounty AssessorView profile Waldo County23027Maine Revenue Services Property Tax Division (Unorganized Territory); municipal assessors for organized townsCounty AssessorView profile Washington County23029Maine Revenue Services Property Tax Division (Unorganized Territory); Washington County Treasurer and municipal assessorsCounty AssessorView profile York County23031Maine Revenue Services Property Tax Division (Unorganized Territory); municipal assessors for organized townsCounty AssessorView profile