It is a Federal-style, two-story, five-bay frame house with brick ends, which is two rooms deep and has a gable roof.
Each brick end contains a large double exterior chimney.
The house is a large and fully developed Federal period house exhibiting one of the most important characteristics of Southern Maryland's 18th-century architecture: brick ends with frame facades.
Woodlawn was listed on the National Register of Historic Places in 1980.
This article about a Registered Historic Place in St. Mary's County, Maryland is a stub.