Proving you are a New Massachusetts resident requires gathering documentation that supports your residency in Massachusetts. A new lease signed with a landlord and a new mortgage on a property you purchased is two examples that can be used to indicate your residency. For a complete list, please refer to the next question many readers have.   New residents should consider their situation and focus on the documents that are easiest to obtain. Over time, more items will qualify as proof, for example, utility bills, driver's licenses, etc.