Only the portion of income that you earned from work you actually performed in New York State is taxable by New York.
You must file a New York non-resident tax return (NY Form IT-203) if your NY-adjusted federal income exceeds your NY Standard Deduction.
https://www.tax.ny.gov/pit/file/nonresidents.htm
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
