Maj. Gen. William S. Harney Summer Home

Maj. Gen. William S. Harney Summer Home
U.S. National Register of Historic Places
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Location	332 S. Mansion Ave., Sullivan, Missouri
Coordinates	38°12′13″N 91°9′48″W / 38.20361°N 91.16333°W / 38.20361; -91.16333Coordinates: 38°12′13″N 91°9′48″W / 38.20361°N 91.16333°W / 38.20361; -91.16333
Area	2.3 acres (0.93 ha)
Built	1856 (1856), 1869-1872
NRHP Reference #	84002144
Added to NRHP	April 19, 1984

Maj. Gen. William S. Harney Summer Home, also known as the Harney Mansion, is a historic home located at Sullivan, Crawford County, Missouri. It was built in 1856, and is a 1 3/4-story, eclectic dwelling constructed of native brown sandstone. The house has a rear wing added between 1869 and 1872. It was the summer home of William S. Harney, who purchased it in 1869. It is operated as a historic house museum.

It was listed on the National Register of Historic Places in 1984.