John McKoon House

John McKoon House, also known as Johnson House, was a historic home located at La Grange, Lewis County, Missouri. It was built about 1857, and was a two-story, five-bay, brick I-house with Greek Revival style design elements. It had a $1 1/2$-story brick rear ell enlarged about 1876. It featured an original two story portico with square wood columns and a simple wide cornice with delicately scaled dentil molding. It has been demolished.

It was listed on the National Register of Historic Places in 1999.