Cost to Own
United StatesWashingtonKing CountyTukwila Population 21,479 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Tukwila, Washington

A $463,000 home here costs

$3,394

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

A standard mortgage calculator would have told you $2,380. The real number is $1,013 higher every month — 43% more than the payment most buyers budget for.

Tukwila median: $462,800
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, $370,400 borrowed $2,380
Property tax0.924% effective rate for Tukwila itself $357
Homeowners insuranceWashington averages $1,001/yr (NAIC), or 0.178% of home value $69
Electricity14.95¢/kWh — Washington residential average, EIA $134
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $386
Total monthly $3,394

Tukwila against King County and Washington

MeasureTukwilaKing County
Median home value$462,800$811,200
Median property tax$4,278$6,785
Effective tax rate0.924%0.836%
Median gross rent$1,786$2,035
Population21,4792,262,713

The weather behind that power bill

Tukwila 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 Tukwila?

A $463,000 home in Tukwila, Washington costs approximately $3,394 per month with 20% down at 6.66%. That is $2,380 principal and interest, $357 property tax, $69 homeowners insurance, $202 utilities and $386 set aside for maintenance.

What is the property tax rate in Tukwila?

Tukwila has an effective property tax rate of 0.924%, based on a median home value of $462,800 and median real estate taxes of $4,278. That is higher than the King County average of 0.836%.

What is the average home price in Tukwila?

The median owner-occupied home value in Tukwila, Washington is $462,800, against $811,200 across King County.

Is it cheaper to rent or buy in Tukwila?

Median gross rent in Tukwila is $1,786 a month, against $3,394 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 Tukwila — 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