File your tax return for free online, on your smartphone, or get help at an in-person Colorado VITA site. You can file your tax return as soon as the IRS opens in late January.

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All State Offices will be closed January 1, 2026 for New Year's Day · Manage, file, and pay state-collected taxes and fees, including:

Choose one of these options: 1) Create an account with Colorado Revenue Online to submit your estimated payment or if you already have an account, log into your account and choose "Estimated Payment". 2) Pay via E-Check by sending tax payments from your bank account to Colorado Department of Revenue.

If you can’t find what you’re looking for online, contact Sales Tax staff at​​​ ​​[email protected]. New: The City of Boulder adopted changes to the Revenue Code amending the definition of vendor to include Marketplace Facilitators.

September 17, 2025 - To check the status of your Colorado state refund online, go to https://tax.colorado.gov/refund. There is no need to login. Simply choose the option “Check the Status of Your Refund” under “Welcome to Revenue Online.”

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The Colorado Department of Revenue, Division of Taxation, is hosting a virtual workgroup meeting to discuss the promulgation of new and amended tax rules regarding mandatory electronic filing and payment of certain taxes and fees.

All State Offices will be closed January 1, 2026 for New Year's Day · Each tax type has specific requirements regarding how you are able to pay your tax liability. Select a tax type below to view the available payment options

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Colorado Department of Revenue · Colorado Department of Labor and Employment - Businesses and Employers Unemployment Insurance New Hire Registry · Small Business Administration - Colorado Colorado State Agencies Colorado Department of Personnel & Administration ·

TaxSlayer helps you easily file your federal and state taxes online. Learn about our tax preparation services and get started for free today!

​(Please note that these instructions ... not register you for a new tax type.) Visit the CO-Department of Revenue online portal and click the "Sign Up" option under the Log-in section....

File and pay your taxes online, find out about the various business taxes that the City and County administers and collects and obtain registration forms and tax returns.

Fast. Secure. Convenient. Manage your business taxes anytime with our new GenTax-powered portal · Call: 719-385-5903, Option 1 Email: [email protected]

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Look up Colorado state sales tax by location. Store your vehicle registrations, insurance cards and other important documents in the digital wallet. Renew your driver license or state-issued ID, and connect to more than 20 additional online DMV services.

The employer is responsible for reporting and remitting both portions of the tax online via the Tax Payment Portal - Xpress Bill Pay

Free Online Filing · Upcoming Due Dates · You are encouraged to make an appointment to help minimize wait times and maintain the safety of our staff and customers. Customer Service Appointments · Check your eligibility and the status of your 2024 Georgia Surplus Tax Refund · Read more · Get the latest sales tax rate information. Learn more · All Tax Forms · Property Taxes · Subscribe to Revenue Emails ·