Do I need to file a New York State tax return? How do I know if I am a resident of New York State for income tax purposes?(973) 694-1800 ext. 3349. The Assessment Department is open from a.m. Use the free New Jersey Online Filing Service to file your 2024 NJ-1040 return. It's simple and easy to follow the instructions, complete your NJ tax return,. Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address. Student must be a New York State resident for at least one full year prior to application. If New Jersey is your domicile, you are considered a resident for New Jersey tax purposes, unless: 1.