How to Appeal Your Property Tax in New Mexico
New Mexico homeowners can appeal their property tax assessment if they believe it's too high. This guide covers the 2026 appeal deadline, required evidence, and step-by-step process.
How New Mexico Assesses Property
New Mexico assesses residential property at 33.33% of market value. This means if your home is worth $213,000, your assessed value would be $70,993.
New Mexico assesses residential property at one-third (33.33%) of market value.
The Appeal Process
Appeals are heard by the County Valuation Protest Board. An informal review is available before filing a formal appeal.
County Assessor (Informal)
County Valuation Protest Board
District Court
New Mexico Appeal Deadline
What Overassessment Costs New Mexico Homeowners
The median home in New Mexico is worth $213,000. If your assessment is just 10% too high, you may be overpaying:
~$143/year
Effective tax rate: 0.67% · Median value: $213,000
Check Your New Mexico Assessment
Enter your address to see your estimated overassessment and New Mexico filing deadline.
New Mexico Counties
Guides & Resources
Property Tax Appeal Resources
Best Appeal Services Compared
7 companies compared — pricing, coverage, and pros/cons for 2026.
2026 Appeal Deadlines
Every state's deadline, filing method, and what happens if you miss it.
Assessment Ratios by State
Every state's assessment percentage — from 4% to 100% — with worked examples.
9 Ways to Lower Your Property Taxes
From homestead exemptions to formal appeals — every method that works.
Savings Calculator
Check if you're overassessed — enter your assessed value to see potential savings.