George W. F. Mulliss House

George W. F. Mulliss House, also known as "Hartwood'" is a historic home located near Martinsburg, Berkeley County, West Virginia. It was built in 1929 and is a large $2 1/2$-story, neo-Georgian Revival-style dwelling built of limestone reinforced with steel. It measures 97 feet wide and 39 feet deep, and consists of a seven bay central block with wings. Also on the property is a three bay, $1 1/2$-story garage.

It was listed on the National Register of Historic Places in 1991.