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Denver Business Licensing Center

Security Services

In 2017, Denver City Council approved an ordinance that altered the licensing requirements for individuals and companies that provide security services. This new law will take effect on November 1, 2018. For for information go to our WEBPAGE.

Welcome to the Denver Business Licensing Center, the official website for the Department of Excise and Licenses. Information regarding Sales Tax ,FDA, Lodger's, Occupational Privilege Tax, Special Event Sales Tax, Telecommunication Business Tax, and or Property Tax; please contact the Treasury. If you do not see your type of business on our index, we cannot issue a license to you.

 
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Contact Us

201 West Colfax Avenue
Room 2.H.9, Department 206
Denver, CO  80202

Phone: 3-1-1

Dial (720) 913-1311 (if calling from outside of the City and County of 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 3:00p.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 (PDF)