Can you register your car in New Hampshire if own a house there and are resident of Massachusetts?

No, you cannot register your car in New Hampshire if you own a house there and are a resident of Massachusetts. In order to register a vehicle in New Hampshire, you must be a resident of the state. This means that you must have a valid New Hampshire driver's license and proof of residency, such as a utility bill or lease agreement. If you are not a resident of New Hampshire, you cannot register your vehicle there, regardless of whether or not you own a house in the state.