Total monthly cost of ownership
Cost to Own a Home in Portales, New Mexico
A $133,000 home here costs
$1,105per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $684. The real number is $422 higher every month — 62% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Portales against Roosevelt County and New Mexico
| Measure | Portales | Roosevelt County |
|---|---|---|
| Median home value | $132,900 | $136,000 |
| Median property tax | $690 | $593 |
| Effective tax rate | 0.519% | 0.436% |
| Median gross rent | $870 | $863 |
| Population | 12,023 | 19,002 |
The weather behind that power bill
Portales sits in Roosevelt County, which averages a high of 92.0°F in its hottest month and a low of 24.7°F in its coldest, with 16.67" of precipitation a year and 50% of it in a single three-month stretch. That climate drives 1,442 cooling and 3,613 heating degree days, which is what sets the $127 electricity line above.
See the full climate breakdown for Roosevelt County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Roosevelt County
No other places of this size are published in Roosevelt County.
Full Roosevelt County cost breakdown · Every county in New Mexico
Common questions
How much does it cost to own a home in Portales?
A $133,000 home in Portales, New Mexico costs approximately $1,105 per month with 20% down at 6.66%. That is $684 principal and interest, $58 property tax, $58 homeowners insurance, $195 utilities and $111 set aside for maintenance.
What is the property tax rate in Portales?
Portales has an effective property tax rate of 0.519%, based on a median home value of $132,900 and median real estate taxes of $690. That is higher than the Roosevelt County average of 0.436%.
What is the average home price in Portales?
The median owner-occupied home value in Portales, New Mexico is $132,900, against $136,000 across Roosevelt County.
Is it cheaper to rent or buy in Portales?
Median gross rent in Portales is $870 a month, against $1,105 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Portales — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for New Mexico.
- Electricity price — EIA Electric Power Monthly Table 5.6.A.
- Mortgage rate — Freddie Mac PMMS, refreshed weekly.
- Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.