Colorado Department of Licensing and regulations

The Tax & License division assists City of Boulder constituents with a variety of business licenses, sales & use tax account services, other regulatory city licenses, and community information.

Please note that each business entity, organization or person that is engaged in business within the city limits of the City of Boulder must have a city business license and may also need an additional regulatory license to legally conduct business.

Sales Tax, Use Tax, Business License, and Regulatory license application forms, instructions, and fee information handled by the Tax & License division are separately linked in the right hand menu on this page.

Sales & Use Tax / Business Licensing

The Sales/Use Tax part of our division manages business licensing, sales tax, use and other tax filings, construction use tax reconciliation returns and various tax auditing functions.

Regulatory Licenses

The Regulatory Licenses part of the division manages licensing for the following: auctions, dog tags, circus and carnivals, itinerant merchant for door to door sales, liquor, medical marijuana businesses, recreational marijuana businesses, mobile food vehicles, second hand dealer/pawnbrokers, and special event liquor permits for non-profits.

Division Hours

8AM to 5PM each weekday.

Mailing Address