Filing is the fastest way to file your Massachusetts personal income tax returns and receive refunds from DOR. Learn how to file your income tax return, make a payment, check the status of your refund, and more.If you expect to owe MA taxes: Submit Form M-4868 with payment. The Massachusetts individual income tax filing deadlines generally follow the federal deadline of April 15. Make your check or money order payable to the Commonwealth of Massachusetts and write your Social Security number on the front of your check or money order. You can pay your Massachusetts state taxes online at MassTaxConnect (through the state's Department of Revenue) or via mail. The deadline to file a Massachusetts state tax return is Tuesday, April 15, 2025. Federal tax returns are also due on Tuesday, April 15.