The Assessors’ Reference Library (ARL) is a series of three manuals and a statutory index that addresses Colorado property assessment.
To search thesedocuments, view the ARL in your browser by clicking the relevant link then pressing ctrl+f on your keyboard to get a search box. To navigate within the table of contents, you will have to download the document.
The Statutory Index is a compilation of statutory references of title 39, articles 1-14 and related property tax statutes.
- Statutory Index-Updated April 2018
Volume 2: Administration Manual
ARL, Volume 2 is the volume within that series that focuses on the administration of property taxes. It contains assessment procedures, processing policies, and legal references for administration of the assessor’s office.
Volume 3: Real Property Valuation Manual
ARL, Volume 3 addresses real property valuation. Its purpose is to provide a reference source for assessment policies and procedures for real property valuations according to the Colorado Constitution and statutes.
- Volume 3: Real Property Valuation Manual - Updated April 2020
- Replacement Pages Only - Updated April 2020
Volume 5: Personal Property Manual
ARL, Volume 5, deals with personal property assessment. This manual provides a reference source for assessment and administrative policies and procedures for the valuation and administration of personal property.
To find older replacement pages or complete manuals, please visit the ARL Archives.
The Assessor's Reference Library Manuals may be purchased separately in paper format or together on one CD. To order, fill out the form, and return the form to our office with your check.