The State Organization Index provides an alphabetical listing of government organizations, including commissions, departments, and bureaus.
Top-requested sites to log in to services provided by the state
Find tax refund information, tax forms, and advice to guide you through Massachusetts' tax system for individuals and businesses. Click on the titles of the boxes below, or the links within the boxes, for more specific information.
Learn how to file your income tax return, make a payment, check the status of your refund, and more.
Your resource for tax counsel, forms, and guidance.
The Department of Revenue's (DOR) Office of Appeals works with taxpayers to resolve tax disputes involving proposed or final tax assessments, amended returns, and other matters.
Learn what is and isn't subject to sales and use tax in Massachusetts.
Find information about taxes you may need to pay on money or property you’ve received from an estate.
Businesses come in all sizes — from large multinational corporations to sole proprietorships. This page has the information you need to fulfill your business tax obligations to the Commonwealth.
Learn what is and isn't subject to sales or use tax and how to register your business with the Department of Revenue.
The Massachusetts Department of Revenue manages state taxes and child support. We also help cities and towns manage their finances.
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