DOR Taxation web site

Other Individual Income Tax e-Services

Revenue Online
Taxpayers and tax professionals may access individual income tax returns, payment history, refund status and other information through the Revenue Online service. Offering these services online, in one place, will help taxpayers and tax professionals to quickly and easily submit documents online and transact tax business with the department. Revenue Online for Individuals includes the following:

  • Access Your Income Tax Account (Sign Up/Login) 
  • Add Power of Attorney (no need to log in, but you can do this when you are logged in)
  • Address Change
  • Amend a Return (2009 and forward)
  • Balance Inquiry
  • Copy of a Return (2009 and forward)
  • File a Protest
  • File a Return (2009 and forward, no need to log in)
  • Make a Payment (no need to log in, but you can do this when you are logged in)
  • Refund Status/Where’s My Refund? (no need to log in, but you can see the status when you are logged in)
  • Request a Payment Plan
  • Send a Secure Message to DOR about your account
  • Third Party access to accounts How to Set it Up
  • Upload Attachments
  • View 1099-Gs issued by the department
  • View Letters from the department
  • View Payments

Revenue Online is available at https://www.Colorado.gov/RevenueOnline
 

Electronic Funds Transfer (EFT)   -- Current year and estimated tax payments may be made through EFT. Taxpayers must first register to use the system. Payments may be made online or by telephone.