About Whiteford, Maryland
Whiteford is an unincorporated community in Harford County, Maryland, United States. The town, a part of the Whiteford-Cardiff Historic District, was added to the National Register of Historic Places in 2005. Until 1978, this community was served by the Maryland and Pennsylvania Railroad at milepost 42.4. Also on the National Register are the Broad Creek Soapstone Quarries and Slate Ridge School.