The Aroostook County Courthouse and Jail is located on Court Street in the center of Houlton, Maine. The building was built in 1859 and was added to the National Register of Historic Places on January 26, 1990. Its oldest portion dates to 1859, built to a design by Gridley J. F. Bryant, and was the county's first purpose-built court facility. Later additions in 1895 and 1928 added wings that give the building its present shape. It was listed on the National Register of Historic Places in 1990.