The Putnam House is a historic building in the Harmar neighborhood of Marietta, Washington County, Ohio, United States, on the National Register of Historic Places. The house overlooks the Muskingum River. The building was finished in 1805 consisting of 16” sandstone blocks quarried locally on Harmer Hill. The home was built for David Putnam, grandson of General Israel Putnam and nephew of General Rufus Putnam. In 1807 it co-housed the first banking corporation in the Northwest Territory and Ohio. David Putnam lived here for 51 years until he died in 1856. The house remained in the Putnam family until 1933. 1981 saw the restoration of the house by the Putnam House Partners. Marietta's leading abolitionist, David Putnam, Jr. was born in this house in 1808. David Putnam, Jr. used another nearby house as his "station house" on the Underground Railroad, that house was torn down in 1953. References Buildings and structures in Marietta, Ohio Houses in Washington County, Ohio National Register of Historic Places in Washington County, Ohio Historic district contributing properties in Ohio Houses completed in 1805 1805 establishments in Ohio Houses on the National Register of Historic Places in Ohio