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Home
Assessors Office
Clerks Office
Commissioners
County Managers Office
DWI Office
Emergency Manager
Fire Departments
GIS
Road Department
Sheriffs Office
Treasurers Office
FY 2020 Resolutions
FY 2022 Resolutions
CUCEDP

Assessor's Office

Hollie S. Sandoval, Assessor

Hollie.Sandoval@unionnm.us

200 Court Street
PO Box 430
Clayton, NM 88415
Office - 575.374.9441 Ext. 1
Fax - 575.374.2763

Duty of the Assessor to view property: It is the duty of the Assessor to make a reasonable and diligent effort to view the property in order to see that the property is adequately valued.

Cassie Newton, Chief Deputy Assessor

Cassie.Newton@unionnm.us

Brayden Walker, GIS Tech

Brayden.Walker@unionnm.us

Contact the Assessor's Office for:

Property tax assessments
Property tax appeals and reassessments
Property tax rates and tax roll
Union County GIS maps, property maps, plat maps and E-911 addresses
Property ownership records and deeds in Union County
Update mailing address, livestock, mobile home and personal property renditions or apply for an Exemption

When is the time to apply for an Exemption?

The time to apply for Exemptions / Valuation Freeze is from January 1st to 30 days after the mailing of the Assessor's Notice of Value (NOV) as shown on the Notice. The Union County Assessor's Office typically mails out NOVs on or before April 1st. If applied for after this 30 days it will be for the next tax year.