Colorado Tax Calendar

Real Estate

Date	Events	Notes
May 1	Assessed Values Issued	N/A
June 9	Appeal Deadline	N/A
January 1	Tax Bills Issued	January 1st of the following year
February 28	Tax Bills Due	February 28th of the following year. 1st half installment due
June 15	Tax Bills Due	June 15th of the following year. 2nd half installment due

Personal Property

Date	Events	Notes
May 1	Assessed Values Issued	N/A
April 15	PP Returns Due	Inventory Exempt
June 30	Appeal Deadline	N/A
January 1	Tax Bills Issued	N/A
February 28	Tax Bills Due	February 28 of the following year. 1st half installment due
June 15	Tax Bills Due	June 15th of the following year. 2nd half installment due