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Revenue Online

File state taxes and manage your state tax account.

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The Colorado Bureau of Investigation (CBI) maintains an online database of convicted sex offenders with search functionality.
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Licensed gaming businesses and employees can update their address or name on file using this online form.
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Look up and manage your license with the Department of Regulatory Agencies using the online licensing portal.
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The Collections section of the Department of Revenue Taxation Division provides resources on paying a debt owed to the state of Colorado.
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Using the online letter request form, a "Military Retirement" letter can be requested form the Governor. Military retirement letters thank a member of the armed forces for their service to the people of Colorado and the United States.
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You may renew your adult driver license or ID card at any time prior to the expiration date - you shouldn't wait until it expires‚ online renewals aren't possible if your license is expired over one year.
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With information on your personal Colorado vehicle use, Your CDOT Calculator will approximate how much you contribute annually in taxes and fees to support the transportation system you use. It also shows how CDOT uses that revenue to maximize each dollar spent on the state’s highway system.