# New Mexico mortgages: the valuation reset, monthly costs and FirstHome help

> New Mexico home buying numbers: the median home’s payment, why taxes reset when a home sells, no transfer tax, and Housing New Mexico’s FirstDown help.

URL: https://mortgage-math-us.com/location/new-mexico/  
Last reviewed: 2026-10-29 · By the MortgageMath US Editorial team

## Quick answer

The median New Mexico home is valued at $279,900 and costs about **$2,104 a month** with 10% down at the 7.24% national average rate. Property tax is light at 0.63% of value, and there is no transfer tax — but a home’s taxable value, capped at 3% growth a year for the owner, resets to market value when it sells, so your bill can start higher than the seller’s. First-time buyers can pair Housing New Mexico’s FirstHome loan with FirstDown help of up to 4% of the price.

## Key facts

| Fact | Value | Source | As of |
|---|---|---|---|
| Median home value | $279,900 | [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B25077?g=040XX00US35) | 2024 ACS 1-year |
| Median household income | $67,816/yr | [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B19013?g=040XX00US35) | 2024 ACS 1-year |
| Homes lived in by their owners | 71.1% | [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B25003?g=040XX00US35) | 2024 ACS 1-year |
| Effective property tax rate | 0.63% | [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B25103?g=040XX00US35) | 2024 ACS 1-year |
| Yearly cap on taxable value growth | 3% | [New Mexico Legislative Finance Committee: Property Taxes in New Mexico](https://www.nmlegis.gov/Entity/LFC/Documents/Revenue_Reports/Property%20Taxes%20in%20NM%20brief_FINAL.pdf) | May 15, 2024 |
| FirstDown, up to (share of price) | 4% | [Housing New Mexico: Programs for Individuals and Families brochure](https://housingnm.org/uploads/documents/%28WEB-READY%29_Programs_for_Individual_and_Families_Brochure_8-25-26.pdf) | Aug 25, 2026 |
| Housing New Mexico minimum score | 620 | [Housing New Mexico: Mortgage Programs](https://housingnm.org/individuals-and-families/homebuyers/mortgage-programs) | Oct 29, 2026 |

## More owners, smaller incomes

71.1% of New Mexico’s occupied homes are lived in by their owners, the 12th-highest among the states and DC. Incomes are another story: the median household earns $67,816, the 8th-lowest among the states and DC. The median home is worth 4.1 times that income, lower than the national ratio of 4.4.

For buyers, one rule matters more than the averages: a home that hasn’t changed hands in years can carry a tax bill well below what a new owner will pay.

## Why your tax bill may start higher than the seller’s

New Mexico limits how fast a home’s taxable value can rise: by no more than 3% a year while the same owner keeps it. When the home sells, the valuation resets to market value. If prices have risen faster than the cap, the buyer’s first bill can be noticeably larger than the seller’s last one.

*Effect of the reset if market values rose 5% a year (example)*

| Seller owned the home | Seller’s taxable base per $100 of market value | Your first bill vs the seller’s |
|---|---:|---:|
| 5 years | $91 | about 10% higher |
| 10 years | $83 | about 21% higher |
| 15 years | $75 | about 33% higher |

The growth rate is an illustration, not a forecast. Ask the county assessor what the home’s value would be at your price, and build that number — not the seller’s current bill — into your payment and escrow.

The **head-of-household exemption** takes $2,000 off the taxable value of a primary home; apply with the county assessor once you own and live there. Overall, the state’s effective rate of 0.63% is the 16th-lowest among the states and DC and below the national 0.89%; the median owner pays $1,776 a year.

## Paying for the median New Mexico home

> **Worked example: $279,900 home, 10% down, 30-year fixed at 7.24%**
>
> | Part of the payment | Monthly |
> |---|---:|
> | Principal and interest on $251,910 | $1,717 |
> | Property tax at 0.63% a year | $147 |
> | Homeowners insurance at the national $4.90 per $1,000 (Freddie Mac) | $114 |
> | PMI (midpoint of Freddie Mac’s range) | $126 |
> | **Total** | **$2,104** |
> 
> The tax line uses the statewide ratio, which includes many owners whose values are still capped; at a recent purchase price, expect it to be higher.

At the median income, Freddie Mac’s 30% guideline allows $1,695 a month for housing, enough for about **$226,000** with 10% down — $53,900 below the median value. Buying the median home within the guideline takes roughly $84,000 a year. The [affordability calculator](https://mortgage-math-us.com/tools/affordability-calculator/?state=NM&income=67816) shows the price your income supports at different debt-to-income limits, and the [payment calculator](https://mortgage-math-us.com/tools/mortgage-payment-calculator/?price=280000&down=10&tax=0.63&state=NM) lets you raise the tax rate to match the reset.

## FirstHome, FirstDown and FirstDown Plus

Housing New Mexico (the state’s mortgage finance authority) lends through participating lenders, and its programs let qualified buyers purchase with as little as $500 of their own money. Every borrower needs a credit score of at least 620 and pre-purchase homebuyer counseling.

- **FirstHome** — a first mortgage for first-time buyers with low to moderate incomes, with income and price limits; homes in targeted areas get higher limits and don’t require first-time status.
- **FirstDown** — a fixed-rate second mortgage of up to 4% of the price for the down payment and closing costs, only with FirstHome.
- **FirstDown Plus** — a third mortgage of $10,000 more for first-time buyers using FirstHome and FirstDown.
- **HomeForward** — a first mortgage for repeat buyers or those over FirstHome’s limits, with its own second-mortgage assistance.

> **Worked example: First-time buyer, median home, minimum down payment**
>
> Needed: 3.5% down ($9,797) plus closing costs at the midpoint of the CFPB’s 2%–5% range ($9,797) = $19,593. FirstDown at 4% of the price is $11,196; with FirstDown Plus the help totals **$21,196**, which covers the estimate, leaving only the program minimum for you to bring.

Both are loans: ask the lender for their rates, payments and what happens when you sell or refinance, and add any payment to your monthly budget. Compare with other options in the [first-time buyer programs guide](https://mortgage-math-us.com/first-time-buyers/programs/).

## New Mexico closing costs: recording fees, no transfer tax

New Mexico has no real estate transfer tax, so the deed carries no state tax at closing — only recording fees. Buyers’ costs are mainly lender charges, title insurance and prepaid taxes and insurance: $5,598–$13,995 on the median home at the CFPB’s rule of thumb. Itemize yours with the [closing cost estimator](https://mortgage-math-us.com/tools/closing-cost-calculator/?state=NM).

## Frequently asked questions

### Do property taxes go up when you buy a house in New Mexico?

They can. While one owner holds a home, its taxable value can rise no more than 3% a year, but the valuation resets to market value when it sells. If prices have risen faster than the cap, your bill will be higher than the seller’s.

### What is the property tax rate in New Mexico?

Census data put the median bill at $1,776 a year, about 0.63% of median home value. Rates vary by county, city and school district.

### Does New Mexico have a transfer tax?

No. New Mexico has no real estate transfer tax; buyers and sellers pay recording fees and their usual closing costs.

### What first-time homebuyer programs does New Mexico have?

Housing New Mexico’s FirstHome mortgage can be paired with FirstDown, up to 4% of the price, and FirstDown Plus, $10,000 more. You need a score of at least 620 and homebuyer counseling.

### What is the head-of-household exemption in New Mexico?

It reduces the taxable value of your primary home by $2,000. Apply with your county assessor.

### How much income do you need to buy a house in New Mexico?

For the median $279,900 home with 10% down at today’s average rate, keeping housing under 30% of gross income takes roughly $84,000 a year.

## Sources

- [Freddie Mac Primary Mortgage Market Survey](https://www.freddiemac.com/pmms) — 30-year fixed rate, national weekly average (Week of Oct 29, 2026)
- [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B25077?g=040XX00US35) — Median value of owner-occupied homes (2024 ACS 1-year)
- [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B19013?g=040XX00US35) — Median household income (2024 ACS 1-year)
- [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B25103?g=040XX00US35) — Effective property tax rate (median taxes ÷ median home value); Median real estate taxes paid by homeowners (2024 ACS 1-year)
- [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B25077?g=010XX00US) — Median value of owner-occupied homes (2024 ACS 1-year)
- [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B19013?g=010XX00US) — Median household income (2024 ACS 1-year)
- [Freddie Mac Research](https://www.freddiemac.com/research/insight/homeowners-insurance-costs) — Average homeowners insurance premium per $1,000 of home value (2023 data)
- [Freddie Mac My Home](https://myhome.freddiemac.com/buying/breaking-down-pmi) — Typical PMI cost, low end; Typical PMI cost, high end (Oct 28, 2026)
- [Freddie Mac My Home](https://myhome.freddiemac.com/blog/homebuying/how-much-can-you-afford) — Freddie Mac guidance: housing costs below this share of gross income (Jan 22, 2026)
- [New Mexico Legislative Finance Committee: Property Taxes in New Mexico](https://www.nmlegis.gov/Entity/LFC/Documents/Revenue_Reports/Property%20Taxes%20in%20NM%20brief_FINAL.pdf) — New Mexico yearly limit on growth in a home's taxable value (reset to market value at sale); New Mexico head-of-household exemption (deducted from taxable value of a primary home) (May 15, 2024)
- [Housing New Mexico: Programs for Individuals and Families brochure](https://housingnm.org/uploads/documents/%28WEB-READY%29_Programs_for_Individual_and_Families_Brochure_8-25-26.pdf) — Housing New Mexico FirstDown second mortgage, up to (share of the purchase price); Housing New Mexico FirstDown Plus third mortgage (Aug 25, 2026)
- [CFPB](https://www.consumerfinance.gov/owning-a-home/prepare/figure-out-how-much-you-want-to-spend/) — Minimum FHA down payment; Typical closing costs, low end (share of purchase price); Typical closing costs, high end (share of purchase price) (Oct 28, 2026)
- [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B25003?g=040XX00US35) — Share of occupied homes lived in by their owners (2024 ACS 1-year)
- [US Census Bureau, American Community Survey 2024 1-year](https://data.census.gov/table/ACSDT1Y2024.B25103?g=010XX00US) — Effective property tax rate (median taxes ÷ median home value) (2024 ACS 1-year)
- [Housing New Mexico: Homebuyers](https://housingnm.org/homebuyers) — Housing New Mexico programs: buyer funds required, as little as (Oct 29, 2026)
- [Housing New Mexico: Mortgage Programs](https://housingnm.org/individuals-and-families/homebuyers/mortgage-programs) — Housing New Mexico mortgage programs minimum credit score (Oct 29, 2026)
- [Housing New Mexico: Mortgage programs](https://housingnm.org/individuals-and-families/homebuyers/mortgage-programs)
- [Housing New Mexico: Programs for individuals and families (brochure)](https://housingnm.org/uploads/documents/%28WEB-READY%29_Programs_for_Individual_and_Families_Brochure_8-25-26.pdf)
- [New Mexico Legislative Finance Committee: Property taxes in New Mexico](https://www.nmlegis.gov/Entity/LFC/Documents/Revenue_Reports/Property%20Taxes%20in%20NM%20brief_FINAL.pdf)

_General information, not financial advice._