DOR manages state taxes and child support. We also help cities and towns manage their finances, and administer the Underground Storage Tank Program. Similarly, our mission includes rulings and regulations, tax policy analysis, communications, and legislative affairs.
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Tax Information
Your resource for tax counsel, forms, and guidance.
- Tax Forms & Instructions
- Estimated Tax Payments
- Due Dates & Extensions
- Personal Income & Corporate Excise Tax Law Changes
- Tax Guides
- Legal Library
- Tax Bills, Collections, Audits & Appeals
- Tax Software Developers
- Information for Tax Professionals
- Office of the Taxpayer Advocate
- Press Releases & Reports
- Go With DOR on Social Media
- Subscribe to Receive DOR Updates
Individuals
Your tax resource center for individuals.
Business
Your business tax resource center.
- Business Taxes
- Paid Family & Medical Leave FAQs
- Register Your Business with MassTaxConnect
- Tax Information for Businesses New to Massachusetts
- Sales & Use Tax for Businesses
- Withholding Taxes on Wages
- Short-term Rentals Room Occupancy Tax
- Corporate Excise Tax
- Employer Tax Obligations
- Types of Businesses
- Business Tax Credits
Tax Self-Help
Resources to help you with taxes.
- Log in to MassTaxConnect
- About MassTaxConnect
- Check the Status of Your Tax Refund
- Request a Certificate of Good Standing and/or Corporate Tax Lien Waiver
- Amend a Tax Return
- File an Appeal or Abatement
- Request Copies of Filed Tax Returns, Payments, & Records
- Set up a Payment Agreement
- Sales & Use tax on boats, recreational off-highway vehicles, & snowmobiles
- DOR Notices in Spanish
Child Support Services
Your DOR child support resource center.
Tax Programs & Services
Your resource for assorted tax programs and services.