Connecticut State Tax Forms & Schedules for 2026
The tax forms on this page can be essential for your Connecticut state tax return. Each form automatically calculates the relevant deductions and tax amounts based on the 2026 Connecticut State tax tables.
Quick Access Tools
We are currently updating the tax forms for Connecticut to reflect the 2026 tax year. If you were looking for a specific tax form for Connecticut, please contact us and we will prioritize this.
Tip: Use the Connecticut Tax Calculator to fine-tune your refundable and non-refundable tax credits. Complete, calculate, print, and save your tax calculation for later use.
Frequently Asked Questions
Quick answers for Connecticut filers on income brackets, credits, property tax relief, and refund timing.
Are commuter benefits pre-tax in CT?
Yes—pre-tax commuter and parking benefits follow federal limits and reduce taxable wages.
Does Connecticut offer tax relief for seniors?
Yes—CT provides income-based exemptions for retirement and Social Security income.
Can I claim deductions for 529 plan contributions?
Yes—CT allows limited deductions for CHET 529 contributions (state plan only).
Is overtime taxed differently in CT?
No—overtime pay is taxed as regular income, though withholding may vary per paycheck.
Does Connecticut have a marriage penalty?
Rates and deductions may create a small marriage penalty at certain income levels; check married-joint vs single results.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.