2024 Oregon State Tax Deadlines

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

Oregon Business Tax Deadlines for 2024

C Corporation

Oregon C Corporation Tax Deadlines for 2024
C Corporations in Oregon must file and pay Corporate Income Taxes by May15, 2025.

  • File Online with Oregon's Revenue Online.
  • File by Mail must be postmarked by the due date.

Applicable Form:

Form OR-20 – Oregon Corporation Excise Tax Return.

Extension to File Taxes in Oregon for 2024

Payment for taxes due for the fiscal year 2024 must be made by May15, 2025.

The extension deadline to file your Oregon corporate income tax return is November 15, 2025.

Oregon automatically grants 7 months extensions on filing corporate income tax returns, if a federal extension is filed. This means you do not need to file for an extension in Oregon. 

This is an extension to file, not an extension to pay – payment is still due by May 15, 2025.

Pass-Throughs

Oregon S Corporation & Partnership Tax Deadlines for 2024

S Corporations and Partnerships in Oregon must file by April 15, 2025.

  • File Online with Oregon's Revenue Online.
  • File by Mail must be postmarked by the due date.

Applicable Forms:

  • Form OR-20-S – S-Corporation Tax Return.
  • Form OR-65 – Partnership Return of Income.

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

Payment for taxes due for the fiscal year 2024 must be made by April 15, 2025.

The extension deadline to file is October15, 2025.

Oregon automatically grants 7 months extensions on filing partnership income tax returns, if a federal extension is filed. This means you do not need to file for an extension in Oregon.

This is an extension to file, not an extension to pay – payment is still due by April 15, 2025.

Oregon Individual Tax Deadlines for 2024

Estimated Tax Deadline for Oregon 2024
Estimated tax payments should be made on:

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

See the Oregon Department of Revenue instructions for the amount to pay with each voucher.

Individual Tax Deadline for Oregon 2024
You must file & pay Individual Income Taxes in Oregon by April 15, 2025.

  • File Online with Oregon's Revenue Online.
  • File by Mail must be postmarked by the due date.

Applicable forms:

  • Form 40 – Oregon Individual Income Tax Return for Residents.
  • Form 40N – Oregon Individual Income Tax Return for Nonresidents.
  • Form 40P – Oregon Individual Income Tax Return for Part-Year Residents.

Extension to File Taxes in Oregon for 2024

Payment for taxes due for the fiscal year 2024 must be made by April 15, 2025.

The extension deadline to file your Oregon Individual Income tax return is October 15, 2025.

Oregon will automatically grant a 6 months extension on filing personal income taxes if a federal extension is filed and there is no tax due. This means you do not need to file for an extension in Oregon if you file a federal extension, attach the federal extension to the state return and have no tax due in Oregon. If you do NOT file a federal extension or have tax due, file Form OR-40-V. 

This is an extension to file, not an extension to pay – payment is still due by April 15, 2025.

Estates Tax Deadline for Oregon 2024

You must file Form OR-706 within nine months of the date of the decedent’s death. 

Farmer and Fisherman Taxes for Oregon 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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