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Contact Us

201 West Colfax Avenue

Room 2.H.9, Department 206

Denver, CO  80202

Phone: 3-1-1 (720-913-1311 outside Denver) 

Fax: 720-865-2881 

Office Hours: 8:00 a.m. to 4:00p.m., Monday through Friday only, no weekend hours. Please be in lobby by 2:30p.m. to be served the same day.

Compliments or Complaints?

If you have a complaint, compliment or concern about a business operating in Denver, please complete the Business License Compliment Form and return it to our Department. We will investigate any complaint regarding the business licenses that we issue for the City and County of Denver. 

Download compliment / complaint form