Cost to Own
United StatesWashingtonKing CountyCarnation Population 2,476 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Carnation, Washington

A $776,000 home here costs

$5,501

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

A standard mortgage calculator would have told you $3,989. The real number is $1,512 higher every month — 38% more than the payment most buyers budget for.

Carnation median: $775,800
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, $620,800 borrowed $3,989
Property tax0.847% effective rate for Carnation itself $548
Homeowners insuranceWashington averages $1,001/yr (NAIC), or 0.178% of home value $115
Electricity14.95¢/kWh — Washington residential average, EIA $134
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $647
Total monthly $5,501

Carnation against King County and Washington

MeasureCarnationKing County
Median home value$775,800$811,200
Median property tax$6,573$6,785
Effective tax rate0.847%0.836%
Median gross rent$1,831$2,035
Population2,4762,262,713

The weather behind that power bill

Carnation sits in King County, which averages a high of 76.7°F in its hottest month and a low of 35.3°F in its coldest, with 63.28" of precipitation a year and 42% of it in a single three-month stretch. That climate drives 151 cooling and 4,991 heating degree days, which is what sets the $134 electricity line above.

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

Other cities in King County

Full King County cost breakdown · Every county in Washington

Common questions

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

A $776,000 home in Carnation, Washington costs approximately $5,501 per month with 20% down at 6.66%. That is $3,989 principal and interest, $548 property tax, $115 homeowners insurance, $202 utilities and $647 set aside for maintenance.

What is the property tax rate in Carnation?

Carnation has an effective property tax rate of 0.847%, based on a median home value of $775,800 and median real estate taxes of $6,573. That is higher than the King County average of 0.836%.

What is the average home price in Carnation?

The median owner-occupied home value in Carnation, Washington is $775,800, against $811,200 across King County.

Is it cheaper to rent or buy in Carnation?

Median gross rent in Carnation is $1,831 a month, against $5,501 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 Carnation — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Washington.
  • 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