Bonaventura Heinz House (second)
U.S. National Register of Historic Places
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Location	1130 W. 5th St. Davenport, Iowa
Coordinates	41°31′30″N 90°35′20″W / 41.52500°N 90.58889°W / 41.52500; -90.58889
Area	less than one acre
Built	1860
Architectural style	Greek Revival
MPS	Davenport MRA
NRHP reference No.	83002444 [1]
Added to NRHP	July 7, 1983

The Bonaventura Heinz House is a historic building located in the West End of Davenport, Iowa, United States. It has been listed on the National Register of Historic Places (NRHP) since 1983.^[1] Another house was also attributed to him, Bonaventura Heinz House (first), which was also listed on the NRHP in 1983. It was delisted in 2005.^[2]

Bonaventura Heinz was born in Baden, present day Germany, and immigrated to the United States in 1845.^[3] He settled in St. Louis, Missouri before enlisting in the United States Army to fight in the war with Mexico. He returned to St. Louis where he married Margueretta Trenkenshuh. They eventually moved to Davenport, where they raised four children. He became the wharf manager and was connected to river transportation. He also took an active role in public affairs in Davenport. He died in 1899 at the age of 72.