2024 Kansas State Tax Deadlines

Kansas Individual Income Tax Filing deadlines and extensions for 2024. If you are a resident or have been involved in significant business operations within Kansas then you might be required to file Kansas State Taxes. We look at the most important tax deadlines and tax extensions for Kansas in 2024.

Kansas Business Tax Deadlines for 2024

C Corporation

Kansas C Corporation Tax Deadlines for 2024
You must file & pay Corporate Income Taxes in Kansas by April 15, 2025.

  • File Online through the Kansas Department of Revenue website.
  • File by Mail must be postmarked by the due date.

Form K-120 – Kansas Corporation Income Tax Return

Extension to File Taxes in Kansas for 2024


You must send payment for taxes in Kansas for the tax year 2024 by April 15, 2025.

The Extension Deadline is October 15, 2025, to file your Kansas corporate income tax return.

Kansas automatically grants a 6-month extension on filing corporate income tax returns. This means you do not need to file for an extension in Kansas.

This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.

Pass-Throughs

Kansas S Corporation & Partnership Tax Deadlines for 2024

You must file in Kansas by April 15, 2025.

  • File Online through the Kansas Department of Revenue website.
  • File by Mail must be postmarked by the due date.

Form K-120S – S-Corporation Income Tax Return
Form K-65 – Partnership Income Tax Return

Extension to File S Corporation & Partnership Taxes in Kansas for 2024
You must send payment for taxes in Kansas for the tax year 2024 by May 15, 2025.

The Extension Deadline is October 15, 2025, to file your Kansas S Corporation or Partnership income tax return.

Kansas automatically grants a 6-month extension on filing pass-through entity tax returns. This means you do not need to file for an extension in Kansas.

This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.

Kansas Individual Tax Deadlines for 2024

Estimated Tax Deadline for Kansas 2024

Estimated tax payments are made:

  • April 15, 2024
  • June 17, 2024
  • September 16, 2024
  • January 15, 2025

See Form K-40ES for the amount to pay with each voucher.

Individual Tax Deadline for Kansas 2024

You must file & pay Individual Income Taxes in Kansas by April 15, 2025.

  • File Online through the Kansas Department of Revenue website
  • File by Mail must be postmarked by the due date

Applicable forms:

  • Form K-40 – Kansas Individual Income Tax Return

Extension to File Taxes in Kansas for 2024


You must send payment for taxes in Kansas for the fiscal year 2024 by April 15, 2025.

The Extension Deadline is October 15, 2025, to file your Kansas Individual Income tax return.

Kansas automatically grants a 6-month extension on filing personal income taxes. This means you do not need to file for an extension in Kansas.

This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.

Sources

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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