Treasurer & Public Trustee


2025 property taxes are now available.

CLICK HERE TO MAKE AN ONLINE PAYMENT 

Dual Residential Assessment Rates

Beginning with the 2025 property tax year, payable in 2026, Colorado Law created two different residential assessment rates - one for school district taxes and one for all other local government taxes. 

For the 2025 tax year (Payable in 2026), the residential assessment rates are: 

  • 7.05% for school district taxes
  • 6.25% for other local government taxes

Removal of Assessed Value from Tax Statements

Because two different assessment rates now apply to the same residential property, a single assessed value no longer accurately represents how taxes are calculated. As a result, the assessed value has been removed from the property tax statement.

This change was made to: 

  • Avoid confusion for taxpayers
  • Ensure consistency with current Colorado property tax law
  • Align with statewide guidance on presenting tax information

The calculation of property tax consists of three segments: the actual value, the assessment rates, and the mill levy. The Assessor establishes the actual value of the property and the classification. The Colorado Constitution states that the general assembly determines the assessment rates, and the taxing entities control the mill levies. The Colorado Department of Local Affairs has more information about Understanding Property Taxes in Colorado.

The Treasurer cannot raise or lower taxes. If you believe your property has been incorrectly valued or classified, you may file an appeal with the Alamosa County Assessor.

The Treasurer is an elected official, serving a four year term of office. 

They are responsible for collecting property taxes, and disbursing taxes to the taxing authorities (school districts, cities/towns, the county, special districts, etc.)

The Public Trustee is obligated to follow Colorado State Statutes in the functions of the office.

  1. Treasurer Duties
  2. Public Trustee Duties
  • Mailing Property Tax Statements to the owner of record
  • Receiving all monies sent to Alamosa County
  • Maintaining correct and proper accounting of all monies
  • Disbursing monies for obligations of the County on the orders of the Board of County Commissioners
  • Investing all monies until they are needed
  • The Treasurer does not determine the amount of tax to be collected

Article XIV, Section 8 of the Constitution of the State of Colorado is the authority by which the Treasurer operates. Activities of the office are directed by the Legislature of the State of Colorado through Statutes.

Forms

Treasurer Forms

  1. Register bidder for Sale (PDF)
  2. Alamosa County CORA Policy and Request Form (PDF)
  3. Registration Form For county held buyers (PDF)
  4. W-9 (PDF)
  5. ASSIGNMENT OF TAX SALE CERTIFICATE(PDF)

Public Trustee Required Forms

  1. GTS Foreclosure Import Template
  2. GTS Import Template Definitions (PDF)
  3. Release of Deed Of Trust Form - With Production of Evidence (PDF)
  4. Release of Deed Of Trust Form - Without Production of Evidence (PDF)
  5. Instructions for Release of Deed of Trust Form - Without Evidence of Debt (PDF)
  6. Instructions for Release of Deed Of Trust Form - With Production of Evidence (PDF)