| Official Name: | Rock Stream, New York |
| Pushpin Map: | New York#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Yates |
| Subdivision Type3: | Town |
| Subdivision Name3: | Starkey |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 879 |
| Coordinates: | 42.4711°N -76.9275°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 14878 |
| Area Code: | 607 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 962734 |
Rock Stream is a hamlet in the town of Starkey, Yates County, New York, United States. The community is located near New York State Route 14 and is southeast of Dundee. Rock Stream has a post office with ZIP code 14878, which opened on September 19, 1820.[1] [2]