Say goodbye to the paper hassle. Revenue Online makes filing your return a simple and easy process.
Electronic filing of your tax refund may speed up your refund.
Convenient, accurate, secure and fast. Avoid errors and processing delays.
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 calculate the tax for you but if you want to use a paper form, click the link below.