James M. Dinwiddie House

James M. Dinwiddie House, also known as Maple Grove Stock Farm, is a historic home located near Dover, Lafayette County, Missouri. It was built about 1840, and is a two-story, central passage plan, vernacular Greek Revival style brick I-house. It has a one-story rear ell. The front facade features a classic one-story portico.

It was listed on the National Register of Historic Places in 1997.