Property Tax 101

Los Alamos County, New Mexico - Assessor's Office

The Los Alamos County Assessor is responsible for appraising real estate and assessing a property tax on properties located in Los Alamos County, New Mexico. You can contact the Los Alamos County Assessor for:

• Appealing your property tax appraisal
• Checking the Los Alamos County property tax due date
• Paying your property tax
• Your property tax bill
• Information on your property's tax assessment
• Reporting upgrades or improvements

Notice: Trying to access array offset on value of type null in /home/propertytax101/public_html/assessor_localities.php on line 237

Notice: Trying to access array offset on value of type null in /home/propertytax101/public_html/assessor_localities.php on line 239
The Los Alamos County Assessor's Office is located in Los Alamos, New Mexico.
Warning: count(): Parameter must be an array or an object that implements Countable in /home/propertytax101/public_html/assessor_localities.php on line 252

Los Alamos County Assessor Contact Information

Los Alamos County Assessor's Office Services

There are three major roles involved in administering property taxes - Tax Assessor, Property Appraiser, and Tax Collector. Note that in some counties, one or more of these roles may be held by the same individual or office. For example, the Los Alamos County Tax Assessor may also serve as the Los Alamos County Tax Appraiser.

1. The Los Alamos County Tax Assessor is responsible for setting property tax rates and collecting owed property tax on real estate located in Los Alamos County.
2. The Los Alamos County Property Appraiser is responsible for determining the taxable value of each piece of real estate, which the Tax Assessor will use to determine the owed property tax.
3. The Los Alamos County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Los Alamos County, and work with the sheriff's office to foreclose on properties with delinquent taxes.

When contacting Los Alamos County about your property taxes, make sure that you are contacting the correct office. You can call the Los Alamos County Tax Assessor's Office for assistance at 505-662-8030. Remember to have your property's Tax ID Number or Parcel Number available when you call!

If you have documents to send, you can fax them to the Los Alamos County assessor's office at 505-663-1764. Please call the assessor's office in Los Alamos before you send documents or if you need to schedule a meeting.
Warning: count(): Parameter must be an array or an object that implements Countable in /home/propertytax101/public_html/assessor_localities.php on line 352

Learn More

Find the tax assessor for a different New Mexico county

Find property records for Los Alamos County

The median property tax in Los Alamos County, New Mexico is $1,446.00

All of the Los Alamos County information on this page has been verified and checked for accuracy.
If any of the links or phone numbers provided no longer work, please let us know and we will update this page.