the william strongman house is a historic house at 85 old county road in dublin, new hampshire. the oldest portion of this house is its northern ell, a 1-1/2 story structure built in the late 18th century by william strongman, son of henry strongman, who was dublin's first settler. the main block of the house, a 2-1/2 story wood frame colonial revival structure, was built by william wyman in 1899 to resemble typical late-17th century houses. the house was listed on the national register of historic places in 1983.