Herbert and Katherine Jacobs First House

Herbert and Katherine Jacobs First House
Jacobs First House, street-side, June 2009
Interactive map showing Jacobs First House
Location	441 Toepfer Avenue Madison, Wisconsin United States
Coordinates	43°3′31″N 89°26′29″W / 43.05861°N 89.44139°W / 43.05861; -89.44139
Built	1937
Architect	Frank Lloyd Wright
Architectural style(s)	Modern Movement, Other
Governing body	Private
UNESCO World Heritage Site
Criteria	Cultural: (ii)
Designated	2019 (43rd session)
Part of	The 20th-Century Architecture of Frank Lloyd Wright
Reference no.	1496-006
Region	Europe and North America
U.S. National Register of Historic Places
Designated	July 24, 1974[1]
Reference no.	74000073
U.S. National Historic Landmark
Designated	July 31, 2003[2]
Location of Herbert and Katherine Jacobs First House in Wisconsin Show map of Wisconsin Herbert and Katherine Jacobs First House (the United States) Show map of the United States

Herbert and Katherine Jacobs First House, commonly referred to as Jacobs I, is a single family home located at 441 Toepfer Avenue in Madison, Wisconsin, United States. Designed by noted American architect Frank Lloyd Wright, it was constructed in 1937 and is considered by most to be the first Usonian home. It was designated a National Historic Landmark in 2003.^[2] The house and seven other properties by Wright were inscribed on the World Heritage List under the title "The 20th-Century Architecture of Frank Lloyd Wright" in July 2019.^[3]