The state of Colorado levies a 2.9% state sales tax rate on retail sales. Most counties and cities charge their own sales taxes in addition to the state rate. The range of sales tax charged within the state of Colorado ranges from 2.9% to 8.0%.
Use tax is due on all purchases brought into the state of Colorado. Use tax due is at the same rates as sales tax. Returns are to be filed on or before the 20th day of the month following the month in which the purchases were made. For example, purchases made in the month of January should be reported to the state of Colorado on or before February 20th. For more information on Colorado sales tax exemptions please visit the sites shown below.