Cost to Own
United StatesWashingtonKing CountyFairwood CDP (King County) Population 18,437 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Fairwood CDP (King County), Washington

A $658,000 home here costs

$4,771

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

A standard mortgage calculator would have told you $3,383. The real number is $1,388 higher every month — 41% more than the payment most buyers budget for.

Fairwood CDP (King County) median: $658,000
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, $526,400 borrowed $3,383
Property tax0.985% effective rate for Fairwood CDP (King County) itself $540
Homeowners insuranceWashington averages $1,001/yr (NAIC), or 0.178% of home value $98
Electricity14.95¢/kWh — Washington residential average, EIA $134
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $548
Total monthly $4,771

Fairwood CDP (King County) against King County and Washington

MeasureFairwood CDP (King County)King County
Median home value$658,000$811,200
Median property tax$6,480$6,785
Effective tax rate0.985%0.836%
Median gross rent$2,152$2,035
Population18,4372,262,713

The weather behind that power bill

Fairwood CDP (King County) 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 Fairwood CDP (King County)?

A $658,000 home in Fairwood CDP (King County), Washington costs approximately $4,771 per month with 20% down at 6.66%. That is $3,383 principal and interest, $540 property tax, $98 homeowners insurance, $202 utilities and $548 set aside for maintenance.

What is the property tax rate in Fairwood CDP (King County)?

Fairwood CDP (King County) has an effective property tax rate of 0.985%, based on a median home value of $658,000 and median real estate taxes of $6,480. That is higher than the King County average of 0.836%.

What is the average home price in Fairwood CDP (King County)?

The median owner-occupied home value in Fairwood CDP (King County), Washington is $658,000, against $811,200 across King County.

Is it cheaper to rent or buy in Fairwood CDP (King County)?

Median gross rent in Fairwood CDP (King County) is $2,152 a month, against $4,771 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 Fairwood CDP (King County) — 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