Eaton County Michigan has 20 places on the National Register of Historic Places including 5 places of Statewide significance. Significant places include 9622nd Army Air Corps Reserve Recovery Unit--Civil Air Patrol Quonset Huts, First Congregational Church, Reynolds, Isaac N., House, Sunfield Grand Army of the Republic Post No. 283 Hall and Vermontville Chapel and Academy.
Some of the country's most noteable architects helped create the Eaton County places including Unknownven, Butler Manufacturing Co., Gibbs & Co., Rawson & Brown, John York, Charles H. Marsh, Spier & Rohns, Cramer & Horn Miles, D.W. Gibbs and W.H. & Bros. Wells. Prominent architectural styles found in Eaton Country are Late Victorian, Gothic Revival and Colonial Revival.