Property Tax in New Mexico (2026): Rates, Exemptions, and Real Numbers

New Mexico Property Tax Rates by County

Highest and lowest effective rates within New Mexico

Property Tax Calculator — New Mexico

Pre-loaded with New Mexico's 0.66% effective rate and $306,200 median price

Property Tax by City in New Mexico

Annual and monthly property tax by city, based on local median prices and the statewide effective rate

New Mexico Homestead Exemption

How New Mexico Assesses Property Values

Assessment cycle: Annual assessment by county assessors at one-third of market value.

Property Tax's Impact on Your True Monthly Cost

On a $306,200 home in New Mexico

Property tax represents 7% of the true monthly cost in New Mexico.

Mortgage Calculator Including Property Tax — New Mexico

See your full PITI (principal, interest, taxes, insurance) payment

How New Mexico's Property Tax Affects Affordability

$168/month in property tax reduces the home price you can afford. Use the affordability calculator to see the real impact.

Property Tax After Refinancing in New Mexico

Refinancing changes your P&I but not your property tax. If your home was reassessed at a higher value, your tax bill increases regardless of your rate.

Frequently Asked Questions

What is the property tax rate in New Mexico?

New Mexico's effective property tax rate is 0.66%, ranking #36 nationally. The median annual property tax bill is $2,021 ($168/month). Rates range from 0.26% in Harding County to 0.43% in Los Alamos County. Source: Tax Foundation Property Taxes by State 2024.

Does New Mexico have a homestead exemption?

Yes — New Mexico offers a homestead exemption for primary residences. Head of Household Exemption: $2,000 reduction in taxable value for owner-occupied primary residences. Veteran Exemption: $4,000 reduction. Low-income and elderly relief programs also available. Properties assessed at one-third of market value.. Apply through your county assessor's office after purchasing your home.

How often is property reassessed in New Mexico?

New Mexico reassesses property on a annual assessment by county assessors at one-third of market value. basis. When your property is reassessed, your tax bill changes based on the new assessed value multiplied by the applicable rate. If you believe your assessment is too high, you can appeal — most counties allow 30-90 days after receiving your assessment notice.

How is property tax calculated in New Mexico?

Property tax = Assessed Value × Mill Rate (or effective rate). In New Mexico, the effective rate is 0.66% of market value. On a $306,200 home: $306,200 × 0.66% = $2,021/year. Assessments may use a fraction of market value — the effective rate accounts for this.

Can I appeal my property tax assessment in New Mexico?

Yes. If your assessed value is higher than comparable sales in your area, you can file an appeal with your county assessment board. Steps: (1) Get your assessment notice, (2) Research comparable recent sales, (3) File an appeal by the deadline (typically 30-90 days from assessment notice). Studies show 20-40% of appeals result in a reduction. The process is free and you represent yourself — no attorney required.

Are property taxes included in my mortgage payment in New Mexico?

Most lenders require an escrow account that collects $168/month ($2,021/year ÷ 12) along with your mortgage payment, then pays the county on your behalf. If your loan-to-value is below 80%, you may be able to opt out of escrow and pay taxes directly. Note: if your assessed value rises, your escrow payment adjusts and your total monthly cost increases.

What New Mexico counties have the highest and lowest property taxes?

New Mexico's highest effective rate is in Los Alamos County at 0.43%. The lowest is Harding County at 0.26%. That's a 0.17% spread — on a $306,200 home, the difference is $521/year.