Sales Tax & Business Licensing

The Sales Tax and Business Licensing Division is responsible for the following:
  • Business Licensing Administration - Facilitates the process and approval of new business license applications and annual license renewal; including compliance, remittance processes, customer service, and information.
  • Sales Tax Administration – Facilitates the process of sales tax collection from design of forms, remittance processes, customer service, and information.
  • Revenue Collection – Responsible for sales tax compliance and collection through vendor education, field audits, and legal proceedings.

The Town of Windsor is a home rule municipality and began administrating and collecting its own sales tax in 2005. Complete Sales and Use Tax regulations can be found in the Windsor Municipal Code Chapter 4 - Revenue and Finance, Article III - Sales and Use Tax.

The Town of Windsor lies within two taxing districts - Weld County and Larimer County. To locate a street address within those counties, see Windsor Information and Navigation Gateway (WING).

Windsor sales tax rate is currently 3.95% regardless which county the Windsor address is located in. The Windsor sales tax rate is in addition to, State of Colorado and Larimer County sales tax. Weld County currently has no sales tax. Larimer County and State of Colorado sales and use tax rates can be found online or by calling 970-494-9805.

Online Business License & Sales Tax Filing

The Town of Windsor Finance Department uses an online business license and sales tax tool called MUNIRevs. The platform is hosted at

To join, existing business owners receive an invitation through the mail from the Town of Windsor. The letter includes directions on how they  access their online Windsor MUNIRevs  account, including their business license number and activation code. 

New businesses or existing businesses that want to activate their account prior to receiving the letter can call Windsor’s Finance Department at 970-674-2486.

Additional Consideration for Retail Sales Tax Returns

Per Windsor Municipal Code Sec. 4-3-510, Sales Tax Returns are required even when there is no tax due. Your filing status determines when you will report and remit sales tax. The filing frequency is determined by the amount of sales tax due and is approved upon Licensing by the Sales Tax Division. Occasional Filing is not allowed. 

If more than $300 in tax will be remitted each month, you must file on a monthly basis.

If less than $300 in tax will be remitted each month, you may request to file on a quarterly basis. The Town may require a monthly filing status if the business becomes delinquent.

Non-retail and home-based businesses that are required to file a return may be permitted to file on an annual basis. The Town may require a monthly filing status if the business becomes delinquent.

To file sales tax returns, log onto Windsor MUNIRevs

To file a sales tax refund claim, download our Sales Tax - Refund Claim Form (PDF)

  1. New Business Requirements
  2. Special Event Requirements
  3. Mobile Vendor Requirements

Per Windsor Municipal Code Sec. 4-3-310, and Sec. 6-3-20 all businesses who conduct retail/wholesale sales and all businesses who only perform services to the public must obtain a license. 

The annual cost of the license can be found on the Town of Windsor Fee Schedule and expires one (1) year from date of issuance. Business may not be conducted until an approved Business/Sales Tax License is obtained. Please allow ten (10) business days for processing and approval.

For additional questions, see the FAQ's section or contact the Sales Tax/Business License Division.