Department of Revenue

The Colorado Department of Revenue is committed to transparency and open government. Requestors can use the online form to make a CORA request.

Any person licensed by the Colorado Limited Gaming Control Commission, and any associated person to a licensee, must make written notification to the Division’s Lakewood office of any criminal conviction and/or criminal charge pending against such person within 10 days of such arrest, summons, or conviction.

File your individual income tax return, submit documentation electronically, or apply for a PTC Rebate.

The Colorado Department of Revenue offers an Electronic Funds Transfer (EFT) tax payment service. You may use EFT to pay more than 50 types of business and personal tax liabilities.

Each tax type has specific requirements regarding how you are able to pay your tax liability. Learn more about each tax type and how to pay them.

Individuals can track their tax refund using Revenue Online. The Department of Revenue offers step-by-step instructions on how to do this, as well as other resources regarding refunds.

Learn how to manage your tax account using Revenue Online.

Sign up for our free email subscription service to receive alerts when new tax information is available.

This website, brought to you by the Colorado State Treasurer's Office, will show you an approximation of how much you pay in state taxes and where your tax dollars go.