Business and Tax Licensing

Business and tax licenses are required
All businesses operating in the Town of Castle Rock must hold a business license. Prior to opening for business, you must apply for a business and tax license through the Town of Castle Rock. License applications may be obtained at:

Town of Castle Rock
Town Hall
100 N. Wilcox St.
Castle Rock, CO 80104

To download and print a license application, please select the applicable form below:
 Application for Castle Rock home-based businesses
 Application for Castle Rock storefront/commercial locations
 Application for out-of-Town businesses
Please submit your application with a check for $10 payable to:

Town of Castle Rock
Attn: Sales Tax
100 N. Wilcox St
Castle Rock, CO 80104

Please allow a minimum of two weeks for your license to be approved.

If you have questions regarding business licensing, call 303-660-1397 or email us.

All applications for in-Town businesses are subject to zoning review and additional steps and/or fees may be required.

Please note that address changes for existing businesses in Castle Rock must fill out and submit a new application. There is no fee for these changes. Out of Town businesses need to submit address changes in writing by mail or email.

If you decide to close your business, please fill out the Business Closure Form and send it to the address listed above.

Other licensing 
Are you looking for door-to-door solicitor's licenses (No Knock List) or contractor's licenses?

Special event promoter/organizer information

Special event vendor list

Vendor sales tax worksheet