Massachusetts Tax Information 

Auerr, Zajac & Associates, LLP.


​MassTaxConnect is the DOR's web-based application for businesses that you can use to:

  • File sales, meals, rooms, corporate, and most other business taxes.
  • File returns, forms, and make payments for the current or previous tax periods.
  • Research, update, amend, and maintain your tax accounts.  
  • Reduce the time spent dealing with paper checks and returns which results in faster, easier and more accurate results than paper processing methods.
  • ​File your return early and schedule a payment in advance so there is no need to rush to the Post Office on the due date of a return.
  • Confirm that the DOR has received your return and payment versus calling the DOR and spending time on hold.  With MassTaxConnect you can view your account anytime, the website updates on a nightly basis to provide you with the most current information possible.
  • View and print electronic versions of notices or letters from the DOR.

Have a question regarding MassTaxConnect?  Visit them at or call the DOR at 617-887-6367


Secretary of the Commonwealth - Corporations Division

The Corporations Division of Secretary of the Commonwealth files and maintains certain records of business, nonprofit corporations, limited liability entities, 

and business trusts and more.

Online filing

Online filing is essentially the same as paper filing; however, you can save valuable time and money filing online.

Advantages to online filing:

  • Reduced filing fees
  • No need to print, complete & mail
  • Faster delivery
  • Validation makes errors less likely
  • Easier to complete
  • Verification of delivery

Click here for FAQs about Online Filing

Individual Tax Information 

Looking for your Individual Tax Return Refund?  Click here for the online tool

Make sure to have the following information on hand:   

  • Social Security Number of the first taxpayer
  • Filing Status
  • Amount of Refund

Call toll free at 1-800-392-6089 or Click above to  track your refund online (you must currently be registered with the Massachusetts Department of Revenue or you may register at this time)