Property Taxes in New Mexico: Rates, Exemptions, and How They Work (2026)
TL;DR
New Mexico assesses residential property at one-third of market value. The average effective rate is about 0.67%. The head of household exemption reduces assessed value by $2,000 for most homeowners, with higher amounts for veterans. Annual valuation increases are limited to 3% for residential property. County assessors handle valuations. Protest your assessment within 30 days of the notice of value to the county assessor, then to the county Valuation Protests Board.
Assessment
Residential property is assessed at 33.33% of market value. Non-residential property is assessed at the same ratio. Agricultural and livestock property uses special use valuations.
3% Cap
Annual increases in assessed value for residential property are limited to 3%, unless the property changes ownership or new improvements are added. The cap resets to current market value upon sale.
Exemptions
| Exemption | Benefit | Who Qualifies |
|---|---|---|
| Head of Household | $2,000 off taxable value | Any person who is head of household |
| Veteran | $4,000 off taxable value | Honorably discharged veterans |
| Disabled Veteran | Full exemption | 100% disabled veterans |
| Senior Valuation Freeze | Freezes value at current level | 65+ with modified gross income under $36,667 |
Protest Process
- County assessor: File protest within 30 days of the notice of value
- Valuation Protests Board: Hearing if assessor does not resolve
- District Court: Further appeal within 30 days
Check your New Mexico assessment with our free property tax analyzer.
Frequently Asked Questions
What should I know about property taxes in new mexico: rates, exemptions, and how they work (2026)?
New Mexico assesses residential property at one-third of market value. The average effective rate is about 0.67%. The head of household exemption reduces assessed value by $2,000 for most homeowners, with higher amounts for veterans.
What should I know about assessment?
Residential property is assessed at 33.33% of market value. Non-residential property is assessed at the same ratio. Agricultural and livestock property uses special use valuations.
What should I know about 3% cap?
Annual increases in assessed value for residential property are limited to 3%, unless the property changes ownership or new improvements are added. The cap resets to current market value upon sale.
What is the process for protest process?
Check your New Mexico assessment with our free property tax analyzer.