[4] The house has been called "the most outstanding architectural combination of New England tradition and frontier necessity preserved in Ohio today.

Four-inch-thick by foot-wide hewn oak timbers were mortised and tenoned, and fastened with wooden dowels into a diagonal braced frame.

[6] After Putnam's daughter Elizabeth died in 1831, the house was sold to the Nye family, who occupied it for many years, followed by tenants late in the 19th century.

In 1917, the state bought the Campus Martius site, and placed it under the control of the Ohio Historical Society.

Few Putnam pieces remain to decorate the interior, so other pioneer families donated items about 1927, including the Meigs, Fearing, Devol, Blennerhassett, Mason, Hildreth, and Sprague.