MassTaxConnect (MTC) is DOR's, web-based application for filing and paying taxes in the Commonwealth. With MTC, taxpayers are able to: 

  • Access information 24 hours a day, 7 days a week
  • Submit and amend returns* (no PIT returns)
  • Make payments or set up payment plans
  • Send and receive secure messages with attachments and view DOR letters and notices
  • Allow 3rd party (tax professionals) access to your account

*Personal income tax returns cannot be filed through MassTaxConnect. Check out the free filing options.

MassTaxConnect Update Coming Soon

Coming July 17, MassTaxConnect will be updated with a new look and feel. MTC will be simplified with a more streamlined appearance.

One exciting new feature is that MTC will now be mobile friendly. No need to download an app, you’ll be able to make bill payments, check your refund, reset login credentials and more. Other MTC update features include:

  • New customer and account homepage
  • One-click navigation
  • Easier 3rd party account settings

Plan Ahead

MassTaxConnect will not be available over the weekend of July 15 and 16 while the update is implemented.