What is the deadline to file state taxes in Colorado?

Asked a year ago
The deadline to file state taxes in Colorado is typically April 15th, the same as the federal tax filing deadline. However, if the 15th falls on a weekend or a holiday, the deadline is extended to the following business day. For example, if April 15th falls on a Saturday, the new deadline would be Monday, April 17th. It's important to note that this deadline applies to both filing the state tax return and paying any taxes owed. If you need more time to gather your documents or complete your return, you can request an extension until October 15th; however, this does not extend the deadline for paying any taxes owed. Failing to file and pay taxes by the deadline may result in penalties and interest charges.
Christian Allen is the editor / author responsible for this content.
Answered May 3, 2024

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