2024 Missouri State Tax Deadlines

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

Missouri Business Tax Deadlines for 2024

C Corporation

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

  • File Online with Missouri Department of Revenue
  • File by Mail must be postmarked by the due date.

Applicable forms:

Form MO-1120 – Missouri Corporation Income Tax Return

Extension to File Taxes in Missouri for 2024

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

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

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

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

Pass-Throughs

Missouri S Corporation & Partnership Tax Deadlines for 2024

You must file in Missouri by April 15, 2025.

  • File Online with Missouri Department of Revenue
  • File by Mail must be postmarked by the due date.

Applicable forms:

Form MO-1120S – S-Corporation Income Tax Return
Form MO-1065 – Partnership Return of Income

Extension to File S Corporation & Partnership Taxes in Missouri for 2024

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

The Extension Deadline is October15, 2025, to file your Missouri S Corporation or Partnership income tax return.

Missouri 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 Missouri.

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

Missouri Individual Tax Deadlines for 2024

Estimated Tax Deadline for Missouri 2024

Estimated tax payments are made:

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

See Form MO-1040ES instructions for the amount to pay with each voucher.

Individual Tax Deadline for Missouri 2024

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

  • File Online with Missouri Department of Revenue
  • File by Mail must be postmarked by the due date

Applicable forms:

Form MO-1040 – ResidentsForm MO-1040P – Part-Year Residents and Nonresidents

Extension to File Taxes in Missouri for 2024

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

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

Missouri will automatically grant a 6 months extension on filing personal income taxes if a federal extension is filed. This means you do not need to file for an extension in Missouri if you file a federal extension and attach the federal extension to the state return. If you do NOT file a federal extension, file Form MO-60.

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

Estates Tax Deadline for Missouri 2024

Missouri does not have an Estate Tax.

Farmer and Fisherman Taxes for Missouri 2024

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, 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.

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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