 The neighborhood consists of 1,684 townhouse-type condominium apartments in more than 200 buildings on built in 1941 and 1942 by Metropolitan Life Insurance Company of New York at the request of U.S. President Franklin Roosevelt to provide housing near the new Pentagon.Like the neighboring Arlington County neighborhood of Fairlington, Parkfairfax is listed on both the National Register of Historic Places and on the Virginia Landmarks Register.The name is similar to those of other Metropolitan Life projects that use a local area name preceded by "park" (e.g., Parkchester, Parklabrea, and Parkmerced) despite the area not having been a part of Fairfax County since 1801.