Say goodbye to the paper hassle. Revenue Online makes filing your return a simple and easy process. Revenue Online is FREE and available 24-hours a day, every day.
Electronic filing of your tax refund may speed up your refund.
More than 80 percent of Coloradans eFile. It's free and easy to do. Try it today!
Convenient, accurate, secure and fast. Avoid errors and processing delays.
Make payments by e-check, credit card or EFT through Revenue Online.
Still want to download a form? These forms won't calculate the tax for you but if you want to use a paper form, click the link below.