Connecticut State Department of Revenue Services

Walk-in services at all DRS branch office locations remain suspended. Email DRS at drs@po.state.ct.us. Email the Priority One Taxpayer Assistance Program: DRSPriorityOne_CollectionsAssist@po.state.ct.us. Please check our Frequently Asked Questions page.

Individual Income Tax Information

Welcome to the Connecticut Department of Revenue Services Individual Income Tax Information portal.
  • FILING REQUIREMENTS - Use this section to learn income tax filing requirements for residents, part-year and nonresidents.
  • INCOME TAX INFORMATION- Use this section to obtain answers to specific income tax questions, issues, programs and common filing misconceptions.
  • RESOURCES - Use this section to get links related to outside agencies and resourceful information.