 The portion of NY 327 north of the hamlet of Enfield was originally improved to state highway standards as part of a contract awarded by the state of New York on April 27, 1912.It was added to the state highway system on August 10, 1915, as part of unsigned State Highway 1001 (SH 1001).The remainder of modern NY 327 was rebuilt under a project let by the state on October 19, 1914, and accepted into the state highway system on October 19, 1918, as SH 1189.