Important Dates in the Treasurer’s Office

Here are important dates in the Treasurer's Office, identifying critical points in the billing and payment of property taxes in Grant County. Have a question about these dates? Please give us a call!

Remember we are open to the public during the following business hours: Monday through Friday from 8 am until 5 pm. Closed for business on Saturdays, Sundays, and County Holidays.

January 1: Date of property assessment. Assessed values and ownership are determined as of this date.

February 28: Last day to notify the Assessor's Office of any changes in property value, apply for exemptions, or remove destroyed property from the tax roll. In April: Assessor prepares and mails Notice of Value.

October 1: The tax roll is transferred from the County Assessor to the County Treasurer.

November 1: Treasurer mails tax bills to property owners.

November 10: 1st half of taxes become due.

December 10: Last date for payment of 1st half taxes without penalty and interest.

Next Year:

January 10: Last day to file a Claim For Refund at District Court.

April 10: 2nd half of taxes become due.

May 10: Last date for payment of 2nd half taxes without penalty and interest.

In June: Delinquent Tax Notices are prepared and mailed to delinquent property owners.

July 1: The Treasurer's Office submits the property tax delinquency list to the State of New Mexico for collection. Includes only those properties with taxes delinquent for more than 2 years.