 It is bordered by College Park to the west, Greenbelt to the northeast, and Riverdale Park to the south.Beginning in the 1870s, the area northeast of Washington, D.C. was the scene of active and continuous development as the population of the city increased and railroad suburbs such as Berwyn Heights, originally platted as Charlton Heights, gradually grew and expanded around it.The O'Dea House, listed on the National Register of Historic Places, is one of the homes that was erected in 1888 by the Charlton Heights Improvement Company to spur development in the new subdivision.