Hills branch

Langley Park is an unincorporated area and census-designated place (CDP) in Prince George's County, Maryland. It is located inside the Capital Beltway, on the northwest edge of Prince George's County, bordering Montgomery County, Maryland. Langley Park is contained between University Boulevard to the south, the Northwest Branch Anacostia River to the north, Phelps Road to the east, and the Prince Georges County / Montgomery County line to the west.

Langley Park, also known as McCormick-Goodhart Mansion, is a Colonial Revival style estate mansion in Langley Park, Prince George's County, Maryland. In 1924, the McCormick-Goodhart family erected an 18,000-square-foot (1,700 m2), 28-room Georgian Revival mansion, designed by architect George Oakley Totten, Jr., at a cost of $100,000 that remains a community landmark on 15th Ave."Langley Park" references the 540-acre (2.2 km2) estate established in 1923, by the McCormick-Goodhart family in the Chillum District of Prince George's County, Maryland.