The W.P. Nimmons House is a historic residence located at 207 S. Townville Street in Seneca, South Carolina. It is part of the Seneca Historic District, which was listed on the National Register of Historic Places on December 31, 1974, with a boundary increase on April 23, 1987.

The house was constructed around 1902 and is recognized as a contributing property within the district. The Seneca Historic District encompasses a variety of architectural styles, including Victorian, Classical Revival, Bungalow, Tudor Revival, and Four-Square, reflecting the growth and development of Seneca during the late 19th and early 20th centuries.