| State Street Historic District | |
| Nrhp Type: | hd |
| Nocat: | yes |
| Location: | 249-401 State St., 246-274 State St. and 106-108 Mechanic St., Carthage, New York |
| Coordinates: | 43.9778°N -75.61°W |
| Built: | 1862 |
| Architect: | Multiple |
| Architecture: | Italianate, Romanesque, Richardsonian |
| Added: | September 22, 1983 |
| Refnum: | 83001684 |
State Street Historic District is a national historic district located at Carthage in Jefferson County, New York. The district includes 26 contributing buildings. They are attached brick commercial buildings built between 1860 and 1900 in a variety of styles.[1]
It was listed on the National Register of Historic Places in 1983.