Yes, in both New Jersey and New York, a license is required for most types of home improvement work. In New Jersey, a Home Improvement Contractor (HIC) registration is required for any contractor who engages in residential construction or improvement work and receives more than $500 for the job. Similarly, in New York, a contractor must have a Home Improvement Contractor license if they are performing home improvement work on a property. It is important to hire a licensed and insured contractor to ensure that the work is performed safely, correctly, and in compliance with state and local regulations.