Sales Tax & Business Licensing

The Town of Windsor is a home rule municipality. 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 3.65% regardless of 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. Per Windsor Municipal Code Sec. 4-3-510, Sales Tax Returns are required even when there is no tax due.

New Sales Tax/Business Licenses and Renewals Requirements - SB 22-032

Effective July 1, 2023 any retailer holding a State of Colorado standard retail license, provided the retailer has no physical presence or incidental physical presence, will not be required to apply or renew a sales tax/business license. A state standard retail license can be obtained from My Biz Colorado

Local retailers with physical presence will be issued a sales tax/business license or renewal at no cost. 

All entities making taxable sales within Windsor's taxing jurisdiction is required to obtain a MUNIRevs account to file returns and remit sales tax payments. 

Carryout Bag Fee Information and Return

Information regarding the Colorado Mandated Carryout Bag Fee Carryout Bag Fee Information

Carryout bag fee returns and payments are due by the 20th day of the month following the reporting quarter. Returns should be filed through Windsor MUNIRevs. Please contact [email protected] for MUNIRevs Tasks and questions.

  1. Online Filing/Payment Requirements
  2. Special Event Requirements
  3. Mobile Vendor Requirements
  4. Contractor's License


Town of Windsor requires the use of our online portal for business licenses and sales tax filing. The platform is hosted at Windsor MUNIRevs. Online checks and credit cards are accepted through the portal.  To gain online access with an account number and activation code, contact [email protected].

To register a new business, create an account at Windsor MUNIRevs and complete the new business registration application.