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Ohio Individual Income Tax Filing deadlines and extensions for 2024.
If you are a tax professional working with clients who are residents or have been involved in significant business operations within Ohio, then you might need to file Ohio State Taxes on their behalf. This page outlines the most important tax deadlines and tax extensions for Ohio in 2024.
Ohio Individual Income Tax Filing deadlines and extensions for 2024.
If you are a tax professional working with clients who are residents or have been involved in significant business operations within Ohio, then you might need to file Ohio State Taxes on their behalf. This page outlines the most important tax deadlines and tax extensions for Ohio in 2024.
You must file & pay The Commercial Activity Tax (CAT) in Ohio by May 10, 2025.
There is no extension for time to file the Commercial Activity Tax return.
You must file & pay The Commercial Activity Tax (CAT) in Ohio by May 10, 2025.
There is no extension for time to file the Commercial Activity Tax return.
Estimated tax payments are due:
See Ohio IT-1040 ES for the amount to pay with each voucher.
You must file & pay Individual Income Taxes in Ohio by April 15, 2025.
You must send payment for taxes in Ohio for the fiscal year 2023 by April 15, 2024.
The Extension Deadline is October 15, 2025, to file your Ohio Individual Income tax return.
Ohio will automatically grant a 6-month extension on filing personal income taxes if a federal extension is filed. There is no Ohio-specific extension form; Federal Form 4868 serves as the Ohio extension request.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Ohio does not have an Estate Tax.
If at least 2/3 of your gross income for the taxable year is derived from farming, you may pay the estimated tax at any time on or before January 15, 2025. If you wait until January 15, 2025, you must pay the entire balance of the estimated tax. However, if farmers file their tax return on or before March 1, 2025, and pay the total tax at that time, they need not file estimated tax.
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The material discussed on this page is meant for general illustration and/or informational purposes only and is not to be construed as investment, tax, or legal advice. You must exercise your own independent professional judgment, recognizing that advice should not be based on unreasonable factual or legal assumptions or unreasonably rely upon representations of the client or others. Further, any advice you provide in connection with tax return preparation must comply in full with the requirements of IRS Circular 230.
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