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Division of Property Taxation

Welcome to the Division of Property Taxation Homepage


Diretor, Division of Property Taxation

JoAnn Groff,
Property Tax Administrator

1313 Sherman Street, Room 419
Denver, CO 80203
Fax 303.864.7799
Email: dpt.helpdesk@state.co.us

The Division coordinates and administers the implementation of property tax law throughout the 64 counties. It operates under the leadership of the property tax administrator, who is appointed by the State Board of Equalization (state board).


In promoting equalization of property valuation for property tax purposes and providing assistance to county assessors, the DPT's activities are divided into several sections including Administrative Resources, Appraisal Standards, Exemptions, and State Assessed Properties.


Our main telephone number is:  303-864-7777.

Our fax number is:  303-864-7799.