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 resources, forms, and advice to guide you through Massachusetts' tax system for individuals and businesses.
Learn how to file your income tax return, make a payment, check the status of your refund, and more.
Resources to help you with taxes
The city or town where you live collects property, personal property, and motor vehicle excise taxes. Learn more about these taxes.
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.
Your personal income tax resource center
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.
Your resource for tax counsel, forms, and guidance.
The Massachusetts Department of Revenue manages state taxes and child support. We also help cities and towns manage their finances.
If you need to report child abuse, any other kind of abuse, or need urgent assistance, please click here.