Assessor Forms
Contact Info

All Assessment related forms necessary for processing your property taxes, exemptions, livestock reporting, and more. Most of these forms can be filled out electronically, however, please note that all forms require an original signature. 

Forms can be delivered or mailed to the following address:

Los Alamos County Assessor's Office
1000Central Ave Suite 210
Los Alamos, NM87544

Assessor Forms


Change of Address
Use this form to make a change to your name, mailing address or both.

Head of Family Exemption Request Form
If you are head of family, and a New Mexico resident you may be eligible for this exemption.

Veteran's Exemption Request Form
This form must be filled out and returned to the Assessor's Office along with your Veteran's Certificate of Eligibility in order to qualify for this exemption. Must be submitted no later than 30 day after the mailing of the Notices of Value.

Veteran's Tax Exemption Application
This form must be mailed to the New Mexico Department of Veterans' Services, P.O. Box 2324, Santa Fe, NM 87504-2324

Property Valuation Limitation-Based on Age, Income or Disability Application
Application and instructions for Low Income Owners 65 Years of Age or Older or Disabled.

Affordable Housing Valuation Adjustment
Owners of residential affordable housing should complete this form and submit it to the county assessor for verification of the affordable housing adjustment.

Personal Property Declaration
All personal property used in your business entity that is depreciated for Federal Income Tax purposes in the prior calendar year is subject to valuation for property taxation purposes in the State of New Mexico (Property Tax Statute 7-36-8, Sub Section B). Personal Property Reporting Forms will be mailed out in the month of December. Any person who fails to make a required report by the last day of February is liable for a civil penalty. (7-38-8 Sub Section B, E, and H). Click on the link below for a copy of our Business Personal Property Reporting Form.

Livestock Reporting
All livestock located in Los Alamos County must be valued for property taxation purposes pursuant to 7-36-21 NMSA. Any person who fails to make a report by the last day of February is liable for a civil penalty. Click on the link below for a copy of our livestock reporting form.

Permanent Foundation Valuation Change
Use this form if you have recently changed your manufactured home to a permanent foundation.

Real Property Declaration Affidavit
Use this form to declare the transfer of real property to another entity.

Protest Form
Use this form to protest a property tax valuation or status.