The Washington County Courthouse is located at 205 Putnam Street in Marietta, Ohio. The courthouse is constructed of rusticated stone blocks for the foundation with smooth blocks rising to the roofline. The courthouse is the third for the county. The courthouse was designed and constructed by Samuel Hannaford & Sons, the same architects on the Monroe County Courthouse. The courthouse is included in the Marietta Historic District which was added to the National Register on 1974-12-19.Further readingThrane, Susan; Ohio County Courthouses; Indiana University Press; Bloomington, Indiana; 2000 Stebbins, Clair; Ohio's Court Houses; Columbus Dispatch; Columbus, Ohio; 1980Marzulli, Lawrence J.; The Development of Ohio's Counties and Their Historic Courthouses; Gray Printing Company; Fostoria, Ohio; 1983
