In 1952, the independent City of Alexandria annexed the small Fairfax County portion of Fairlington, rendering the name an anachronism. In 1966, a mutual agreement between Arlington and Alexandria adjusted the city-county boundary through North Fairlington that had followed the original District of Columbia-Virginia line. The new boundary followed the north and east sides of State Route 7 (King Street), 30th Street South, South Columbus Street, and 28th Street South. In 1954, the well-preserved Fort Reynolds was leveled to construct the Park Shirlington apartments.