Cost to Own
United StatesNew MexicoSan Juan CountyLa Plata Population 2,185 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in La Plata, New Mexico

A $187,000 home here costs

$1,489

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $961. The real number is $527 higher every month — 55% more than the payment most buyers budget for.

La Plata median: $187,000
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $149,600 borrowed $961
Property tax0.608% effective rate for La Plata itself $95
Homeowners insuranceNew Mexico averages $1,229/yr (NAIC), or 0.526% of home value $82
Electricity14.12¢/kWh — New Mexico residential average, EIA $127
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $156
Total monthly $1,489

La Plata against San Juan County and New Mexico

MeasureLa PlataSan Juan County
Median home value$187,000$185,100
Median property tax$1,137$1,249
Effective tax rate0.608%0.675%
Median gross rent$1,000$917
Population2,185121,178

The weather behind that power bill

La Plata sits in San Juan County, which averages a high of 93.3°F in its hottest month and a low of 19.2°F in its coldest, with 7.76" of precipitation a year and 34% of it in a single three-month stretch. That climate drives 995 cooling and 5,268 heating degree days, which is what sets the $127 electricity line above.

See the full climate breakdown for San Juan County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in San Juan County

Full San Juan County cost breakdown · Every county in New Mexico

Common questions

How much does it cost to own a home in La Plata?

A $187,000 home in La Plata, New Mexico costs approximately $1,489 per month with 20% down at 6.66%. That is $961 principal and interest, $95 property tax, $82 homeowners insurance, $195 utilities and $156 set aside for maintenance.

What is the property tax rate in La Plata?

La Plata has an effective property tax rate of 0.608%, based on a median home value of $187,000 and median real estate taxes of $1,137. That is lower than the San Juan County average of 0.675%.

What is the average home price in La Plata?

The median owner-occupied home value in La Plata, New Mexico is $187,000, against $185,100 across San Juan County.

Is it cheaper to rent or buy in La Plata?

Median gross rent in La Plata is $1,000 a month, against $1,489 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 La Plata — 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.

Full methodology