Columbia Historic District I is a national historic district located in the Arsenal Hill neighborhood at Columbia, South Carolina.

The district encompasses nine contributing buildings and includes a complex of fine mansions and attractive homes built before the American Civil War.

They include the Governor's Mansion, Caldwell-Hampton-Boylston House, Lace House, and Palmetto Iron Works and Armory.

[2][3] It was added to the National Register of Historic Places in 1971.

This article about a Registered Historic Place in Columbia, South Carolina is a stub.