What is the altitude of polaris here in mamaroneck (approx 42 N )?

The altitude of Polaris, or the North Star, is approximately equal to the latitude of the observer. In Mamaroneck, which is located at about 42 degrees North latitude, Polaris would have an altitude of roughly 42 degrees above the northern horizon. This means that if you were to look north from Mamaroneck, Polaris would be positioned at an angle of 42 degrees.