DOR Taxation web site

Say goodbye to the paper hassle. Revenue Online makes maintaining your tax account a simple and easy process. 

 

  • Have an address change? Change it now through through Revenue Online.

  • Need to notify the department of an account closure? Do it today through Revenue Online. No need to send in a paper form.

  • Revenue Onlineis FREE and available 24-hours a day, every day.

 

Create your own Login ID and Password. Then use them to get to your account. www.Colorado.gov/RevenueOnline


RevenueOnline 
 

Still want to download a form?