The Sinnett Octagon House built in 1855 is a historic

octagon In geometry, an octagon (from the Greek ὀκτάγωνον ''oktágōnon'', "eight angles") is an eight-sided polygon or 8-gon. A '' regular octagon'' has Schläfli symbol and can also be constructed as a quasiregular truncated square, t, whi ...

al house in Muscatine,

Iowa Iowa () is a state in the Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wisconsin to the northeast, Illinois to the ...

. The two-story brick home with wrap-around porch and windowed cupola is now used as an office building. On July 18, 1974, it was added to the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

References

Octagon houses in Iowa Houses completed in 1855 Houses on the National Register of Historic Places in Iowa Houses in Muscatine County, Iowa National Register of Historic Places in Muscatine County, Iowa Buildings and structures in Muscatine, Iowa {{MuscatineCountyIA-NRHP-stub