The G. P. Sparks House is a historic private residence located at 509 East Logan Street in the city of Tecumseh in northeast Lenawee County, Michigan.

The first floor of the two story upright section contains a pair of windows with small hoods and shutters; the second floor contains paired, triangle-head, windows, above which is a bullseye topped by a drip molding.

The single story wing is slightly set back, and is fronted by a porch with narrow, squared posts and frieze panels, sheltering the entrance.

They apparently lived in the house for only five years before moving to the store building where Sparks's business was located.

[2] Because of its pristine detailing and well-preserved appearance, it is regarded as one of the most significant pieces of architecture in Tecumseh.