| William Gonnerman House | |
| Location: | 521 W. Second St., Mount Vernon, Indiana |
| Coordinates: | 37.9289°N -87.9006°W |
| Built: | c. -1895 |
| Architecture: | Free Classic Style |
| Added: | December 19, 1985 |
| Area: | less than one acre |
| Refnum: | 85003192 |
William Gonnerman House is a historic home located at Mount Vernon, Posey County, Indiana. It was built between about 1887 and 1895, and is a massive two-story, irregular plan, Free Classic style frame dwelling. It sits on a brick and concrete block foundation and has a hipped and gable roof. It features a wraparound porch with 18 fluted columns and a porte cochere. A sun porch wing was added in the 1930s. Also on the property are the contributing carriage house and smokehouse.[1]
It was listed on the National Register of Historic Places in 1985.