The Grenville M. Dodge House is a historic house museum at 605 South 3rd Street in Council Bluffs, Iowa. This Second Empire mansion, built in 1869, was the home of Grenville M. Dodge (1831-1916), a Union Army general, politician, and a major figure in the development of the railroads across the American West. The house was declared a National Historic Landmark in 1961 for its association with Dodge;[3][4] it is now owned by the city of Council Bluffs and is open for tours.