South Main Street Historic District is a national historic district located at Mount Morris in Livingston County, New York.

The district encompasses both sides of a three block section of South Main Street (NY-36), one of Mount Morris' premier residential neighborhoods.

They comprise the largest and most impressive collection of predominantly high style domestic architecture in the village in a broad range of architectural styles.

[2] It was listed on the National Register of Historic Places in 1996.

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