Baltimore County Jail is a historic jail located at Towson in Baltimore County, Maryland, United States. It was built in 1855 and is a two-story Italianate style stone building, measuring 52 feet wide and 62 feet deep. It consists of a five-bay-wide warden’s house with a central three story entry tower. In the rear is a cell block with three levels of jail cells and covered by a gable roof. The warden's house and tower features a low pyramidal hipped roof and walls. Attached to the warden's house is a stone garage built in 1940. It was used as a correctional facility until 2006. It was listed on the National Register of Historic Places on August 26, 2009. References External links , at Maryland Historical Trust Jails on the National Register of Historic Places in Maryland Jails in Maryland Buildings and structures in Baltimore County, Maryland Italianate architecture in Maryland Government buildings completed in 1855 Infrastructure completed in 1855 National Register of Historic Places in Baltimore County, Maryland