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Withholding Taxes: Colorado

Withholding Taxes requirements for other states

Federal law and guidance on this subject should be reviewed together with this section.

Authors: Stuart R. Buttrick, Susan W. Kline and Mary L. Will, Faegre Drinker Biddle & Reath LLP


  • Employers must withhold Colorado income tax from employee compensation if the compensation is subject to federal income tax withholding and the employee is a Colorado resident, or is a nonresident of Colorado performing services in Colorado. Certain nonresident motion picture and television production employees and nonresidents who work sporadically in Colorado are exempt from Colorado income tax withholding. See Withholding on Residents and Nonresidents.
  • Colorado employers determine withholding using IRS Form W-4. See Form W-4.
  • The withholding rate on supplemental wage payments, such as bonuses, is calculated differently depending on when the supplemental wage payments are made. See Supplemental Wages.
  • Employers are required to keep records of wages paid and taxes withheld for a certain number of years. See Recordkeeping Requirements.
  • Localities including Denver, Glendale and Sheridan have local requirements pertaining to income tax withholding. See Local Requirements.