[2] The buildings of Washington range from simple log cabins to late Georgian and early Federal styles constructed of home burned brick laid in Flemish bond.
Taking into account the time lag between architectural styles fashionable on the Atlantic seaboard and in the frontier, the lack of refined, period examples within the town that can be found elsewhere in the state becomes understandable.
They included the most important buildings historically and architecturally, for example: The founding of Washington dates back to May 1775, when a group of ten men arrived from farther east in Virginia to survey and improve lands.
In 1785, Simon Kenton sold 700 acres to two Virginians, Arthur Fox and William Wood, who decided to lay out a one-mile square grid-iron site, sell lots, and turn a profit.
This required a full day to drive a heavily loaded wagon the short distance and therefore most elected to stop overnight at the town before continuing the inland journey.
The Washington post office was designated as the mail distribution center for the entire Northwest Territory including the present states of Ohio, Indiana, Illinois, Michigan and Wisconsin.