Colorado State Business Tax Extension Filing Instructions
975 views | Last modified 3/20/2023 1:42:52 AM EST | Added by ExpressExtension Team

Businesses operating in Colorado (C-Corporations, Partnerships & S-Corporation) can receive an automatic six-month extension of time to file their Colorado income tax return. 

Extension Form to use    

There is no state-specific form to request an CO business extension, as the state of Colorado automatically provides the extension for up to 6 months for businesses to file an income tax return with the state. 

Due Date to file Colorado tax Extension    

  • Corporations - Returns are due by the 15th day of the fourth month following the close of the taxable year. Generally April 15 for a calendar year corporation.
  • S-Corporations - Returns are due by the 15th day of the fourth month following the close of the taxable year. Typically April 15 for a calendar year S-Corporation.
  • Partnerships - Returns are due by the 15th day of the fourth month following the close of the taxable year. Typically April 15 for a calendar year Partnership
  • Fiduciary & Estate - April 15 - Returns are due by the 15th day of the fourth month following the close of the taxable year.

Colorado tax extension Filing Method (Paper/Electronic)

State of Colorado supports only paper filing for Colorado tax extension

How to pay the state tax due?    

You can use any of the following options to pay your balance due to the state:

Pay electronically

Pay through Check or Money Order

  • Colorado C-Corporation Income Tax Return - Use payment Extension Form DR 0158-C
  • Colorado Pass-through entity Income Tax Return - Use Payment Extension Form DR 0158-N.
  • Colorado Fiduciary Income Tax Return- Use Payment Extension Form DR 0158

Does ExpressExtension support this State filing?    

Colorado business extensions are automatic, which means there is no application to submit.

Any Special Requirements?

Colorado tax extension does NOT grant you more time to pay your state tax. To avoid incurring late payment penalties, you must pay at least 90% of your net tax liability by the original deadline of your return.                                             

For more information regarding Colorado business state tax extensionclick here.

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