George Johnson House, also known as White Castle House, is a historic home located at Lexington, Lafayette County, Missouri. It was built about 1894, and is a -story, Queen Anne style frame dwelling. It has a cross-gable plan and features a one-story, wraparound verandah. Also on the property is the contributing two-story building used as a summer kitchen and servant quarters. style
It was listed on the National Register of Historic Places in 1993.