Cost to Own
United StatesOregonMalheur CountyOntario Population 11,728 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Ontario, Oregon

A $218,000 home here costs

$1,700

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

A standard mortgage calculator would have told you $1,121. The real number is $579 higher every month — 52% more than the payment most buyers budget for.

Ontario median: $217,500
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, $174,400 borrowed $1,121
Property tax0.834% effective rate for Ontario itself $152
Homeowners insuranceOregon averages $793/yr (NAIC), or 0.173% of home value $31
Electricity16.27¢/kWh — Oregon residential average, EIA $146
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $182
Total monthly $1,700

Ontario against Malheur County and Oregon

MeasureOntarioMalheur County
Median home value$217,500$221,300
Median property tax$1,813$1,799
Effective tax rate0.834%0.813%
Median gross rent$790$819
Population11,72831,701

The weather behind that power bill

Ontario sits in Malheur County, which averages a high of 87.7°F in its hottest month and a low of 20.5°F in its coldest, with 11.3" of precipitation a year and 35% of it in a single three-month stretch. That climate drives 457 cooling and 6,473 heating degree days, which is what sets the $146 electricity line above.

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

Other cities in Malheur County

Full Malheur County cost breakdown · Every county in Oregon

Common questions

How much does it cost to own a home in Ontario?

A $218,000 home in Ontario, Oregon costs approximately $1,700 per month with 20% down at 6.66%. That is $1,121 principal and interest, $152 property tax, $31 homeowners insurance, $214 utilities and $182 set aside for maintenance.

What is the property tax rate in Ontario?

Ontario has an effective property tax rate of 0.834%, based on a median home value of $217,500 and median real estate taxes of $1,813. That is higher than the Malheur County average of 0.813%.

What is the average home price in Ontario?

The median owner-occupied home value in Ontario, Oregon is $217,500, against $221,300 across Malheur County.

Is it cheaper to rent or buy in Ontario?

Median gross rent in Ontario is $790 a month, against $1,700 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 Ontario — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Oregon.
  • 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