The Ridge is a historic home located at Derwood, Montgomery County, Maryland, United States. It is a 1 1/2-story Flemish bond brick house on a fieldstone foundation. The decorative detailing in the main house reflects Georgian, Federal, and Greek Revival influences. Also on the property is an 18th-century two-story log building. It was the home of Zadok Magruder and his descendants, until 1956. The Ridge was listed on the National Register of Historic Places in 1988.