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Income tax

TL;DR

Income tax itself is not deductible on federal tax returns. However, certain state and local income taxes can be deducted if you itemize deductions on your federal return.

Detailed Answer

Federal income taxes paid are not deductible on your federal tax return. However, state and local income taxes can be deducted as an itemized deduction on Schedule A of Form 1040. This deduction is subject to the SALT (State and Local Taxes) cap, which limits the total deduction for state and local taxes, including property taxes, to $10,000 ($5,000 if married filing separately). It's important to note that you must choose between deducting state and local income taxes or state and local sales taxes, but not both. For example, if you paid $8,000 in state income taxes and $3,000 in local property taxes, you can deduct $10,000 due to the SALT cap.

Where to Put It on the Tax Form

Schedule A (Form 1040), Line 5a for state and local income taxes.

Real World Example

A freelance graphic designer living in California paid $6,000 in state income taxes and $2,500 in local property taxes. When itemizing deductions on their federal return, they can deduct a total of $8,500 for state and local taxes, as it is under the $10,000 SALT cap.

Audit Risk & Documentation Tips

The audit risk for claiming state and local income taxes is moderate, especially if the amounts are high or inconsistent with prior years. Taxpayers should keep copies of state and local tax returns, W-2s, 1099s, and any other documentation showing taxes paid. It's also advisable to maintain records of any estimated tax payments made throughout the year.

IRS Reference

IRS Publication 17, Your Federal Income Tax; IRS Publication 530, Tax Information for Homeowners; IRC §164.

Relevant Industries

FreelancersSmall Business OwnersConsultantsIndependent Contractors

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Disclaimer: This is for informational purposes only and should not be construed as tax or legal advice. Always consult your tax advisor.

Page created on April 4, 2026

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