 New York State Route 331 | ||||
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 Map of the Mohawk Valley with NY 331 highlighted in red | ||||
| Route information | ||||
| Maintained by Montgomery County and NYSDOT | ||||
| Length | 3.10 mi[1] (4.99 km) | |||
| Existed | 1930[2]–present | |||
| Major junctions | ||||
| South end | Crum Creek Road / Kennedy Road in St. Johnsville | |||
| North end |  NY 29 in Oppenheim | |||
| Location | ||||
| Country | United States | |||
| State | New York | |||
| Counties | Montgomery, Fulton | |||
| Highway system | ||||
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New York State Route 331 (NY 331) is a north–south state highway located in the Mohawk Valley of New York in the United States. The route extends for 3.10 miles (4.99 km) from an intersection with Kennedy Road in the Montgomery County town of St. Johnsville to a junction with NY 29 in the Fulton County town of Oppenheim. Heading northbound, state maintenance of NY 331 begins at the Montgomery–Fulton county line as the Montgomery County section of the route is county-maintained as part of County Route 57 (CR 57). NY 331 was assigned as part of the 1930 renumbering of state highways in New York.