The station was originally built by the
Philadelphia, Wilmington and Baltimore Railroad approximately in 1898, and inherited by the
Philadelphia, Baltimore and Washington Railroad. The current station is a modern structure built in 1943 by
Lester C. Tichy (1905–1981) for the
Pennsylvania Railroad, It contains a 1960s-style pedestrian tunnel, with one of the entrances located at the former north station house. It also contains a pedestrian bridge built in 1982. Aberdeen was also served by an 1886-built
Baltimore and Ohio Railroad station along what is now the
CSX Philadelphia Subdivision just north of this one on West Bel Air Avenue. Prior to the mid-1980s there was a
grade crossing located next to the station. It was removed after Amtrak completed the Northeast Corridor Improvement Project and replaced with an overpass. MARC Penn Line service was extended to on May 1, 1991, with intermediate stops at Aberdeen, , and . The station was restored in 1993 at a cost of $400,000. The work included a new roof for the fire-damaged building. ==References==