State Reference · Tax Year 2026
Connecticut (CT)
Graduated 2%–6.99%
Connecticut Department of Revenue Services · Main form: Form CT-1040 · Due April 15, 2027
Rates & brackets
Top rate6.99%
Standard deductionN/A (uses personal exemption phaseout)
Personal / dependentPersonal exemption $15,000 single / $24,000 MFJ (phased out)
Filing logistics
Main formForm CT-1040
Filing dueApril 15, 2027
E-file portalmyconneCT
AgencyConnecticut Department of Revenue Services
Major credits
- CT EITC (40% of federal)
- Property tax credit ($300 max)
- CT Child Tax Rebate
Sales & property tax
Sales tax6.35% state (no local)
Property taxLocally assessed; motor-vehicle prop tax deductible on CT return
Preparer notes
- Tax-recapture applies at high incomes — flattens brackets.
- Pension/annuity income subtraction phased in fully in 2025+.
Related deduction & credit lessons
Deepen state-specific credit hunting with these lessons.