COVID-19 Updates
Tax filing extension information, closures and other updates related to COVID-19. Learn more >
SUTS is Coming Soon
Colorado has developed a new tool to help taxpayers comply with sales and use tax requirements. Learn more >>
CARES Act Tax Law Changes & Colorado Impact
The Department has published guidance on the federal CARES Act Tax Law and its impact on Colorado. Read guide >
Having Trouble Making Tax Payments?
Reach out to the Collections Section to apply for or request changes to a Payment Plan. Contact Collections >
TABOR Refunds
What do Coloradans need to know about TABOR this year? Learn more >
Taxpayer Identity Verification
Did you receive an "Action Needed Letter" from the Department? Here is what you should do next...
Need extra help with your income tax return?
Many community groups and nonprofit organizations offer filing assistance for Coloradans. Learn more...
Did You Receive a Letter From Us?
Review this FAQ to find out next steps.