The Wallace-Jagdfeld Octagon House built in 1860 is an historic octagonal house located at 171 Forest Avenue in Fond du Lac, Wisconsin

Fond du Lac, Wisconsin

Fond du Lac is a city in Fond du Lac County, Wisconsin, United States. The name is French for bottom of the lake, for it is located at the bottom of Lake Winnebago. The population was 42,203 at the 2000 census...

. The two-story home features clapboard siding, a front porch, and a central chimney.

On April 26, 2002, it was added to the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

, becoming the second octagon house

Octagon house

Octagon houses were a unique house style briefly popular in the 1850s in the United States and Canada. They are characterised by an octagonal plan, and often feature a flat roof and a veranda all round...

 in Fond du Lac on the National Register. It is located across the street from two other listings on the National Register, Hotel Calumet and the Chicago and Northwestern Railroad Depot.