How much Connecticut property tax can I deduct in 2026?

Connecticut uses 2% to 6.99% progressive income tax rates in the current TaxGuide Pro calculator data. Estimate the property tax portion of your federal SALT deduction for 2025, 2026, or 2027 planning. Enter Connecticut property taxes paid and filing status to see how much property tax is deductible after applying the federal SALT cap.

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Connecticut property tax deduction

Quick answer

Connecticut uses 2% to 6.99% progressive income tax rates in the current TaxGuide Pro calculator data. Estimate the property tax portion of your federal SALT deduction for 2025, 2026, or 2027 planning. Enter Connecticut property taxes paid and filing status to see how much property tax is deductible after applying the federal SALT cap.

Also answers

  • Connecticut property tax deduction calculator
  • Connecticut tax calculator 2026
  • Connecticut income tax rate 2026
  • Connecticut state tax refund status

Good fit when

  • Connecticut residents checking 2026 tax planning
  • Part-year or nonresident Connecticut filers
  • Comparing state tax, withholding, refund, and deduction scenarios

Have ready

  • Filing status and residency
  • State taxable income or benefit amount
  • Withholding, payments, deductions, credits, or filing date as relevant

Result you get

State-specific estimate, next-step notes, and official Connecticut source links.

Connecticut state facts

Rate rules and worked examples

Examples use 2026 taxable income before credits or residency allocation. Use the official state source below to verify final filing guidance.

Income tax rule

Connecticut uses 2% to 6.99% progressive income tax rates in the current TaxGuide Pro calculator data.

Single example

$60,000 single taxable income -> about $2,550 state income tax before credits.

Joint example

$120,000 married filing jointly taxable income -> about $5,100 state income tax before credits.

Deductions and exemptions

This is a federal deduction estimate, not a Connecticut tax calculation.

Credits to review

Review dependent, household, income-based, and other Connecticut credits in the state credit finder, then confirm eligibility in official instructions.

Filing deadline

For a 2026 return filed in 2027, confirm the due date in published Connecticut instructions. State deadlines and disaster relief can differ from federal dates.

Refund processing

Connecticut does not guarantee one refund date for every return. E-filed, accurate returns with direct deposit are generally processed faster than paper or reviewed returns.

Official verification: Schedule A Instructions.

How this calculation works

  • Uses property tax paid as the deductible base.
  • Applies the federal SALT cap for the selected filing status.
  • Shows the deductible property tax amount.

Common mistakes and caveats

  • This is a federal deduction estimate, not a Connecticut tax calculation.
  • Other SALT items reduce the available cap for property tax.
  • Local tax rules vary by municipality.

FAQ

Do I need to itemize to deduct property tax?

Yes. Property tax deductions are only available when you itemize.

What is the Connecticut income tax rate for 2026?

Connecticut uses 2% to 6.99% progressive income tax rates in the current TaxGuide Pro calculator data. The examples on this page use taxable income before credits, so final results can change when state deductions, credits, or residency allocation apply.

Does Connecticut tax retirement income?

Connecticut retirement income treatment can depend on the income type, age, and state exclusions. Use the Connecticut retirement tax checker for a state-specific review.

Does Connecticut tax Social Security benefits?

Connecticut Social Security treatment can differ from federal treatment. Use the Connecticut Social Security checker and verify the result with the official state source.

When will I get my Connecticut tax refund?

Connecticut refund timing depends on e-file versus paper filing, direct deposit, return accuracy, identity verification, and seasonal volume. Use the Connecticut refund timeline estimator and the official refund-status source for live updates.

Where should I verify my Connecticut tax result?

Use the official Connecticut revenue or tax agency sources linked in the sources section. TaxGuide Pro is an educational estimator and does not replace a filed state return or agency notice.

Last updated & sources

Last updated August 20, 2026.

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