619 S. Walnut St.
Street number prior to 1925: 411 Walnut

This home dates back to 1921 and was built by Martin Boldt & Sons. A photo of this home under construction appears in The Fox Heritage: A History of Wisconsin's Fox Cities (1984) by Ellen Kort, p. 192. Martin's son Oscar J. Boldt and his family lived there until at least 1951.