Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Taxes: State Tax Information

Links to federal and state tax sites including publications and forms.

State Tax Forms

The Central Library does not have any 2020 Colorado State Tax forms as of 8/20/21

State Tax Information Links

Contact the Colorado Department of Revenue