* There are Special Districts within Castle Rock. A complete list of districts and current mill levies can be obtained at the Douglas County Assessor’s office. Or you can look up the total tax rate on a property at www.douglas.co.us/assessor/.

Corporate Income Tax Rates: 4.63%

Colorado offers businesses the choice of calculating their state tax liability on the basis of the standard three-factor formula (revenue, property and payroll) or a two-factor formula (revenue and property), whichever is less. The apportionment formula can be changed annually. There are tax credits available for investment, job training, etc.

Individual Income Tax: 4.63% of Federal Net Taxable Income (with adjustments)