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.
Revenue Online will do all the calculations for you as you file the return.
Taxes and rates for your location are available in Revenue Online. No need to look them up.
Make payments by e-check, credit card or EFT through Revenue Online.
Create your own Login ID and Password. Then use them to get to your account and File Now. www.Colorado.gov/RevenueOnline
Still want to download a form? These forms won't have the tax rates but if you want to use a paper form, click a link below. Note: Fill-in forms are not saveable and will not file the return for you. You must print the return and mail it. However, you can file the return now through Revenue Online.