Contact Us

The Colorado Department of Revenue (CDOR) will provide quality service to our customers in fulfillment of our fiduciary and statutory responsibilities while instilling public confidence through professional and responsive employees.  

The Department values Communication Dedication Ownership and Responsible Government.

Click on the links below for Division contact information. 

Executive Director
Lu Córdova
Deputy Executive Director 
Heidi Humphreys
Executive Director's Office Mailing Address:
PO Box 17087 | Denver | Colorado |80217-0087
Executive Director's Office Physical Address:
1375 Sherman St. | Denver | Colorado |80261
CDOR Information Line 303-205-8411

Public Information and Legislative Consultant and
Citizens' Advocate
Melissa Martinez
Request Assistance - Inquiries are answered within one business day.
Phone: 303-866-4622
Hearings Main Office
1881 Pierce Street
Entrance B,  Room #112
Lakewood, CO 80214
Phone: 303-205-5606
Human Resources
Phone: 303-866-3716
Fax: 303-866-3718
Office of Research and Analysis