Certification of Value for Taxing Authorities

The assessor is required to certify  (by August 25) to each taxing entity the total assessed value of property within the entity's boundaries, and the value attributable to:

  • Annexation
  • Federal property that has become taxable
  • Inclusion
  • Increased production of mines and oil and gas
  • New construction

The assessor must re-certify to each taxing entity any changes in value made after the August 25 certificate of value by the suggested deadline of December 1 no later than December 10. Local taxing entities, please visit the Colorado Department of Local Affairs website Budgeting and Finance page to view all required forms and documentation with DLG.

Certification Documents