The Hudson County Administration Building is home to the seat of government of Hudson County, New Jersey, US. It is located at 595 Newark Avenue in the Journal Square section of Jersey City in the abutting Five Corners and Hilltop neighborhoods The building houses government administrative offices, the hall of records, and courts for the county and state. Opened in 1957 and expanded in 1966, the International Style structure is considered obsolete and will be replaced upon completion of the Frank J. Guarini Justice Complex.