The City of Cortez is a home rule municipality and self-collects it’s sales tax. City sales tax is directly remitted to the City of Cortez and not the State of Colorado. The City's current sales tax rate for sales within the City of Cortez is 4.05%.

Important Update:

The City of Cortez has implemented mandatory on-line registration for new sales tax licenses and also for the filing and remittance of sales tax returns.

Applying for a New License

Please go to

  1. Click on New Users to register. Once you have entered your e-mail address instructions will be emailed to you.
  2. Once you are registered, the approval process for a new license takes about 7-10 days. You will then be e-mailed with your new account number. You may then begin to file and remit your returns on-line.

To File a Return:

Please go to Click on Existing Users. It will prompt you for your e-mail address and password. Once you have signed on, please check the Action Center on the top left of the screen. You will have an “Alert” that will indicate you have a return to complete.

If you have any questions or are having problems, please contact our help-line at

Support or 1-888-751-1911. Unlimited phone and web support is available Monday through Friday from 9 am to 5 pm.

For information on obtaining a State of Colorado business or sales tax license please visit the State of Colorado website.