High Quality Content by WIKIPEDIA articles! The Wilkes County Courthouse is a historic government building and clock tower located in the city of Washington, Georgia, the seat of Wilkes County. The latest in a string of courthouses in the county`s history, the current building was completed in 1904 and since that date has been the official home of Wilkes County`s Superior Court, and the base of the county`s government. On September 18, 1980, the building was added to the National Register of Historic Places.