Colorado

state characteristics

Assessment Ratio: 7.2% properties w/ residential classifications
29% all other property types
Fiscal Tax Year: 01/01 – 12/31
Valuation Authority: County
Collection Authority: County
Level One Appeal Name: Formal Assessor Appeal
RE Rendition Required: No
PP Rendition Required: Yes
Consultant Certification or Licensing: State Licensed Appraiser to testify under oath about
an exact opinion of value
Real Estate Taxable? Yes
Personal Property Taxable? Yes
Inventory Taxable? No

key tax dates – real estate

Assessment Date: Jan 1  
Value Notices Issued: May 1  
Appeal Deadline: June 1  
Tax Bills Issued: Jan 1  
Tax Bills Due: Feb 28 
June 15
Apr 30
1st half installment
2nd half installment
Full amount

key tax dates – personal property

Assessment Date: Jan 1  
Tax Returns Due: Apr 15 Inventory exempt
Appeal Deadline: June 30  
Tax Bills Issued: Jan 1  
Tax Bills Due: Feb 28 
June 15 
Apr 30
1st half installment
2nd half installment
Full amount