If an accommodation or assistance is requested, please contact us directly at cda_a11y@state.co.us or 303-869-9290 or 1-844-235-3815.

Welcome to the Department of Agriculture AgLicense system.

Use the links at left for information on licensed pesticide applicators and dealers.

If you received a mailer with your registration information click the Logon/Register link on the left to create your user account.


To find out more about the Department of Agriculture click here.