 Buildings in the district include the Meekins Library, a Classical Revival building designed in 1897 by Putnam and Bayley, the former Hampshire Hotel building, built c. 1800 (which also was owned by the local chapter of the Women's Christian Temperance Union), the 1841 former town hall (now home to the local historical society museum), and the 1835 Greek Revival First Congregational Church.The area that is now Williamsburg was originally partitioned as part of land grants from towns near the Connecticut River in the 17th century, and was incorporated in 1771 after permanent settlement began in the 1730s.The Mill River was an early site of industrial activity, and the crossing of Main Street was an important local feature, with a stagecoach stop.