Locust Grove, also known as Beech Neck, is a historic home located at La Plata, Charles County, Maryland, United States. It is a two-story, three bay Federal style frame house, with a fine view of the Port Tobacco Valley. The original section of the house was built prior to 1750, with a significant expansion occurring about 1825.
Locust Grove was listed on the National Register of Historic Places in 1998.