Cost to Own
United StatesWashingtonPierce CountyBonney Lake Population 22,776 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Bonney Lake, Washington

A $559,000 home here costs

$4,058

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

A standard mortgage calculator would have told you $2,874. The real number is $1,184 higher every month — 41% more than the payment most buyers budget for.

Bonney Lake median: $558,900
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, $447,200 borrowed $2,874
Property tax0.929% effective rate for Bonney Lake itself $433
Homeowners insuranceWashington averages $1,001/yr (NAIC), or 0.178% of home value $83
Electricity14.95¢/kWh — Washington residential average, EIA $134
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $466
Total monthly $4,058

Bonney Lake against Pierce County and Washington

MeasureBonney LakePierce County
Median home value$558,900$484,400
Median property tax$5,194$4,555
Effective tax rate0.929%0.940%
Median gross rent$2,212$1,722
Population22,776924,106

The weather behind that power bill

Bonney Lake sits in Pierce County, which averages a high of 76.5°F in its hottest month and a low of 32.9°F in its coldest, with 45.13" of precipitation a year and 42% of it in a single three-month stretch. That climate drives 120 cooling and 5,397 heating degree days, which is what sets the $134 electricity line above.

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

Other cities in Pierce County

Full Pierce County cost breakdown · Every county in Washington

Common questions

How much does it cost to own a home in Bonney Lake?

A $559,000 home in Bonney Lake, Washington costs approximately $4,058 per month with 20% down at 6.66%. That is $2,874 principal and interest, $433 property tax, $83 homeowners insurance, $202 utilities and $466 set aside for maintenance.

What is the property tax rate in Bonney Lake?

Bonney Lake has an effective property tax rate of 0.929%, based on a median home value of $558,900 and median real estate taxes of $5,194. That is lower than the Pierce County average of 0.940%.

What is the average home price in Bonney Lake?

The median owner-occupied home value in Bonney Lake, Washington is $558,900, against $484,400 across Pierce County.

Is it cheaper to rent or buy in Bonney Lake?

Median gross rent in Bonney Lake is $2,212 a month, against $4,058 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 Bonney Lake — 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