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Pennsylvania Individual Income Tax Filing deadlines and extensions for 2025.
If you are a tax professional working with clients who are residents or have been involved in significant business operations within Pennsylvania, then they might be required to file Pennsylvania State Taxes. We look at the most important tax deadlines and tax extensions for Pennsylvania in 2025.
If your clients are residents or have been involved in significant business operations within Pennsylvania, then they might be required to file Pennsylvania State Taxes. We look at the most important tax deadlines and tax extensions for Pennsylvania in 2025.
Pennsylvania C Corporation Tax Deadlines for 2025
You must file and pay Corporate Income Taxes in Pennsylvania by May 15, 2026.
Extension to File Taxes in Pennsylvania for 2025
The Extension Deadline for Pennsylvania corporate income tax returns is November 15, 2026.
Pennsylvania automatically grants a six-month extension on filing corporate income tax returns if a federal extension is filed.
This is an extension to FILE, not an extension to PAY – payment is still due May 15, 2026.
Pennsylvania S Corporation & Partnership Tax Deadlines for 2025
You must file in Pennsylvania by April 15, 2026.
Extension to File S Corporation & Partnership Taxes in Pennsylvania for 2025
The Extension Deadline for Pennsylvania S Corporation and Partnership income tax returns is September 15, 2026.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2026.
Estimated Tax Deadline for Pennsylvania 2025
Estimated tax payments are due:
See Form PA-40ES for the amount to pay with each voucher.
Individual Tax Deadline for Pennsylvania 2025
You must file and pay Individual Income Taxes in Pennsylvania by April 15, 2026.
Extension to File Taxes in Pennsylvania for 2025
The Extension Deadline for Pennsylvania individual income tax returns is October 15, 2026.
Pennsylvania will automatically grant a six-month extension on filing personal income taxes if a federal extension is filed and there is no tax due. If you do NOT file a federal extension or have tax due, file Form REV-276. 100% of Pennsylvania tax liability must be paid by April 15, 2026 to avoid penalties.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2026.
Pennsylvania requires that you file within nine months of the date of the decedent’s death.
If at least 2/3 of your gross income for the taxable year is derived from farming, you may pay estimated tax at any time on or before January 15, 2026. If you wait until January 15, 2026, you must pay the entire balance of the estimated tax. However, if farmers file their tax return on or before March 1, 2026 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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