A HISTORIC RESOURCE can be a site, property, building, structure, landscape, district, or object, including its appurtenances and environmental settings, that is fifty years or older and is significant in national, state, or local history, architecture, archaeology, or culture.
Harford County contains more than 2,500 documented historic resources that range from 19th century grist mills to Victorian houses, from African American schools to 19th century iron truss-bridges to soaring natural rock outcrops. The documented historic resources in Harford County include both surveyed and designated resources, such as those listed on or eligible for the National Register of Historic Places, the Maryland Inventory of Historic Properties, Harford County Historic Landmarks, and Maryland Historical Trust Easement Properties.