Whitaker's Mill Historic District is a national historic district near Joppa, Harford County, Maryland, United States.

It includes three early- to mid-19th-century buildings: the 2+1⁄2-story rubble stone Whitaker's Mill built in 1851, the 1+1⁄2-story rubble stone miller's house, and the log-and-frame Magness House, begun about 1800 as the miller's house for the first mill on the site.

51, constructed in 1878, and the oldest such span in the county.

[2] It was added to the National Register of Historic Places in 1990.

This article about a Registered Historic Place in Harford County, Maryland is a stub.