Cost to Own
United StatesOregonColumbia County FIPS 41009 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Columbia County, Oregon

A $391,000 home here costs

$2,992

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

A standard mortgage calculator would have told you $2,010. The real number is $982 higher every month — 49% more than the payment most buyers budget for.

County median: $390,600
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, $312,800 borrowed $2,010
Property tax0.755% effective rate — Columbia County assessor via Census ACS $246
Homeowners insuranceEstimated at 0.60% of home value per year $196
Electricity16.27¢/kWh — Oregon residential average, EIA $146
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year — the cost nobody budgets $326
Total monthly $2,992

How Columbia County compares

Columbia County ranks 1,792nd of 3,133 US counties by effective property tax rate, meaning property taxes here are lower than in 1,341 counties and higher than in 1,791. Within Oregon it ranks 20th of 36.

Columbia County 0.755% 10% lower than national
Oregon average 0.775%
National median0.837%
Highest in America — Menominee County, WI3.636%

The numbers behind this page

MeasureColumbia CountySource
Median home value$390,600ACS B25077
Median real estate taxes paid$2,948ACS B25103
Effective property tax rate0.755%Derived
Median gross rent$1,221ACS B25064
Occupied housing units20,710ACS B25003
Population53,178ACS B01003
Residential electricity price16.27¢/kWhEIA 5.6.A
30-year fixed mortgage rate6.66%Freddie Mac PMMS

Other counties in Oregon

Compare the cost of the same home elsewhere in the state.

All 36 counties in Oregon

Questions about owning here

What is the property tax rate in Columbia County?

The effective property tax rate in Columbia County, Oregon is 0.755% of home value per year. On the county's median home value of $390,600, that works out to about $2,948 annually, or $246 per month.

How much does it cost to own a home in Columbia County?

A $391,000 home in Columbia County, Oregon costs approximately $2,992 per month with 20% down at 6.66%. That breaks down as $2,010 principal and interest, $246 property tax, $196 insurance, $214 utilities and $326 set aside for maintenance.

Why is this higher than the payment my lender quoted?

Lender quotes usually show principal and interest only, and sometimes property tax and insurance. They almost never include electricity, water or a maintenance reserve. Here those add about $540 a month, which is why the real cost is 49% above the mortgage payment alone.

Is it cheaper to rent in Columbia County?

Median gross rent in Columbia County, Oregon is $1,221 per month, compared with $2,992 to own the median home outright. Renting is cheaper month to month, though rent does not build equity and is not fixed for 30 years.

How much is the electric bill in Columbia County?

Oregon residential electricity averages 16.27¢ per kWh. At the US average household usage of 899 kWh per month, that is about $146. Actual bills vary considerably with house size, insulation and climate.

Sources & methodology

  • Median home value, real estate taxes paid, gross rent, occupied units and population — US Census Bureau, American Community Survey ACS 2023 5-Year, tables B25077, B25103, B25064, B25003, B01003.
  • Effective property tax rate — median real estate taxes paid divided by median home value.
  • Mortgage rate — Freddie Mac PMMS, updated weekly.
  • Residential electricity price — US Energy Information Administration, Electric Power Monthly, Table 5.6.A.
  • Homeowners insurance (0.60%/yr), maintenance (1%/yr) and water and sewer ($68/mo) are modelled national estimates, not quoted figures. Every one is editable above.

Full methodology