The Maj. James W. McMullin House is a historic residence located in Oskaloosa, Iowa, United States.

McMullin received his commission in the army during the American Civil War.

He returned to Oskaloosa after his service where he established a successful transport and livery business that served Mahaska County's coal industry.

McMullin meant for his Queen Anne style home to be a showplace.

This article about a property in Mahaska County, Iowa on the National Register of Historic Places is a stub.