South Ann Street–Mill Street Historic District is a national historic district located at Little Falls in Herkimer County, New York.

They relate to the history of transportation and commercial/industrial development of the city.

They include multi-story brick and stone commercial buildings, the former New York Central Railroad passenger station, remains of Erie Canal trunk and aqueduct, and a former hydroelectric power station and remains of the related dam.

[2] It was listed on the National Register of Historic Places in 2008.

This article about a historic property or district in Herkimer County, New York, that is listed on the National Register of Historic Places, is a stub.