What actually sets New Mexico apart
New Mexico's 3% cap resets when you buy, which produces the same buyer-versus-neighbour gap seen in California and Florida, though on a much smaller absolute base. The state's low median values keep the dollar amounts modest even where the rate is ordinary.
Property taxes in New Mexico at a glance
- Average effective tax rate: 0.72% of home value per year
- Median home value: $232,200
- Estimated tax on a median-value home: $1,669 per year (about $139 per month)
- Rank by tax rate: 34th of 50, highest first
- Rank by amount actually paid: 39th of 50, highest first
- Where these figures come from: U.S. Census Bureau, American Community Survey 5-year estimates, for the New Mexico statewide averages shown above — ACS 2019-2023 5-year estimates, last reviewed September 2026.
What the New Mexico rate leaves out
New Mexico is 34th of the fifty by rate and 39th by the bill a median-value owner receives — a shift of 5 places, and the $232,200 median home value is what causes it. The rate is a reasonable shorthand here, but it is not the whole answer, and both numbers are worth checking before comparing New Mexico with anywhere else.
How New Mexico works out what you owe
Property is assessed at one third of market value, and the rate is split between residential and non-residential taxpayers under the state's yield control formula.
Annual growth in the assessed value of owner-occupied residential property is capped at 3%, with the cap lifted when the property changes hands or is physically improved.
Exemptions New Mexico homeowners should claim
Each of these reduces a New Mexico bill every year you hold the property, and almost none are granted without a claim:
- Head of family exemption: A reduction in taxable value available to a New Mexico resident who heads a household, claimed once with the county assessor.
- Veteran and disabled veteran exemptions: A standard veterans' exemption on taxable value, and a full exemption from property tax on the primary residence of a veteran with a total service-connected disability.
Where you buy inside New Mexico changes the bill
A statewide average hides its extremes. Where they show up in New Mexico:
- Bernalillo County: Albuquerque, holding roughly a third of the state's population and its largest school district
- Santa Fe County: the highest values in the state, with a second-home market that does not benefit from the 3% cap after sale
- Doña Ana County: Las Cruces and the border region, with lower values and a large share of exempt federal land
New Mexico and its neighbours
The same $232,200 — the New Mexico median — taxed at each neighbouring state's average rate:
- Colorado at 0.49%: about $1,138 a year, roughly $531 less than the $1,669 a New Mexico owner would pay on the same value.
- Oklahoma at 0.82%: about $1,904 a year, roughly $235 more than the $1,669 a New Mexico owner would pay on the same value.
- Texas at 1.58%: about $3,669 a year, roughly $2,000 more than the $1,669 a New Mexico owner would pay on the same value.
- Arizona at 0.52%: about $1,207 a year, roughly $462 less than the $1,669 a New Mexico owner would pay on the same value.
- Utah at 0.53%: about $1,231 a year, roughly $438 less than the $1,669 a New Mexico owner would pay on the same value.
Appealing a New Mexico assessment
If the assessed value on your New Mexico home overstates what it is worth, the route is an appeal to the county assessor protest, then the county valuation protest board. The window is within 30 days of the notice of value mailed on 1 April, and it is strict — missing it means waiting a full cycle.
Frequently asked questions
When are New Mexico property taxes due, and when must exemption claims be filed?
Bills are mailed on 1 November, with instalments due 10 December and 10 May. Claims are filed with the county assessor, generally by 30 days after the notice of value or by the end of February.
Does this calculator use my exact New Mexico county tax rate?
No — it applies the New Mexico statewide average of 0.72%. Rates are set locally, and the spread inside New Mexico is wide enough to matter: on a $232,200 home, $617 a year separates New Mexico from an averagely taxed state before any county variation is counted. Check the parcel's own rate with its New Mexico county before relying on this figure.
Reference sources
Related calculators
How this estimate is built
Principal and interest come from the standard amortization formula, worked through in full on the formula reference page. Property tax, insurance, PMI and loan-program figures layer on top from published assumptions — each one sourced, dated and listed on the methodology page. Every result here is an estimate built from public data, not a quote: confirm the specifics with a lender before relying on it.
For developers
This calculation is also available as a REST API and through an MCP server, both running the same engine as this page — so the figures match by construction rather than by convention. No key required.