Washington County Courthouse (Minnesota)
 The historic Washington County Courthouse in Washington County Minnesota United States is one of the oldest standing courthouses in Minnesota. It is located in the county seat of Stillwater Minnesota. It was listed on the National Register of Historic Places in 1971.The courthouse was designed by Augustus Knight of St. Paul in the Italianate style. When the courthouse opened in 1870 the county was doing a booming business in the lumber industry.