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West Virginia Individual Income Tax Filing deadlines and extensions for 2025.
If you are a resident or have been involved in significant business operations within West Virginia, then you might be required to file West Virginia State Taxes. We look at the most important tax deadlines and tax extensions for West Virginia in 2025.
If your clients are residents or have been involved in significant business operations within West Virginia, then they might be required to file West Virginia State Taxes. This guide outlines important tax deadlines and tax extensions for West Virginia in 2025.
West Virginia C Corporation Tax Deadlines for 2025
You must file and pay Corporate Income Taxes in West Virginia by April 15, 2026.
Extension to File Taxes in West Virginia for 2025
The Extension Deadline for West Virginia corporate income tax returns is October 15, 2026.
West Virginia automatically grants a six-month extension on filing corporate income tax returns if a federal extension is filed. If a federal extension has not been requested but a state extension is needed, file Form CIT-120EXT, West Virginia Extension Corporation Net Income Tax Return by April 15, 2026.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2026.
West Virginia S Corporation & Partnership Tax Deadlines for 2025
You must file in West Virginia by March 15, 2026.
Extension to File S Corporation & Partnership Taxes in West Virginia for 2025
The Extension Deadline for West Virginia S Corporation & Partnership income tax returns is September 15, 2026.
West Virginia automatically grants a six-month extension on filing pass-through entity income tax returns if a federal extension is filed. If a federal extension is not requested but a state extension is needed, or if you expect to owe nonresident withholding tax, file Form PTE-100EXT, Extension of Time to File Information Returns, on or before March 15, 2026.
This is an extension to FILE, not an extension to PAY – payment is still due March 15, 2026.
Estimated Tax Deadline for West Virginia 2025
Estimated tax payments are due:
See Form IT-140V for instructions on the amount to pay with each voucher.
Individual Tax Deadline for West Virginia 2025
You must file and pay Individual Income Taxes in West Virginia by April 15, 2026.
Extension to File Taxes in West Virginia for 2025
The Extension Deadline for West Virginia individual income tax returns is October 15, 2026.
West Virginia will automatically grant a six-month extension on filing personal income taxes if a federal extension is filed. This means you do not need to file for an extension in West Virginia if you file a federal extension. If you do NOT file a federal extension, file Form 740EXT.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2026.
Estate Tax Deadline for West Virginia 2025
West Virginia does not have an Estate Tax.
Farmer and Fisherman Taxes for West Virginia 2025
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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