Below are links to many county property tax and assessment databases MARYLANDMaryland State Department of Assessments and TaxationAssessment Offices by County Tax Assessments Montgomery County, Maryland Prince George’s County, Maryland Allegany County, Maryland Anne Arundel County, Maryland Baltimore City, Maryland Baltimore County, Maryland Calvert County, Maryland Caroline County, Maryland Carroll County, Maryland Cecil County, Maryland Charles County, Maryland Dorchester County, Maryland Frederick County, Maryland Garrett County, Maryland Harford County, Maryland Howard County, Maryland Kent County, Maryland Queen Anne’s County, Maryland St. Mary’s County, Maryland Somerset County, Maryland Talbot County, Maryland Washington County, Maryland Wicomico County, Maryland Worcester County, Maryland DISTRICT OF COLUMBIAReal Property Services VIRGINIACity of Alexandria, Virginia Arlington County, Virginia City of Manassas, Virginia Fairfax County, Virginia Loudoun County, Virginia Prince William County, Virginia