Cost to Own
United StatesWashingtonIsland CountyLangley Population 1,090 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Langley, Washington

A $670,000 home here costs

$4,641

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

A standard mortgage calculator would have told you $3,444. The real number is $1,197 higher every month — 35% more than the payment most buyers budget for.

Langley median: $670,100
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, $536,000 borrowed $3,444
Property tax0.603% effective rate for Langley itself $337
Homeowners insuranceWashington averages $1,001/yr (NAIC), or 0.178% of home value $99
Electricity14.95¢/kWh — Washington residential average, EIA $134
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $558
Total monthly $4,641

Langley against Island County and Washington

MeasureLangleyIsland County
Median home value$670,100$535,300
Median property tax$4,043$3,765
Effective tax rate0.603%0.703%
Median gross rent$1,413$1,631
Population1,09086,747

The weather behind that power bill

Langley sits in Island County, which averages a high of 70.5°F in its hottest month and a low of 36.2°F in its coldest, with 21.74" of precipitation a year and 38% of it in a single three-month stretch. That climate drives 22 cooling and 5,402 heating degree days, which is what sets the $134 electricity line above.

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

Other cities in Island County

Full Island County cost breakdown · Every county in Washington

Common questions

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

A $670,000 home in Langley, Washington costs approximately $4,641 per month with 20% down at 6.66%. That is $3,444 principal and interest, $337 property tax, $99 homeowners insurance, $202 utilities and $558 set aside for maintenance.

What is the property tax rate in Langley?

Langley has an effective property tax rate of 0.603%, based on a median home value of $670,100 and median real estate taxes of $4,043. That is lower than the Island County average of 0.703%.

What is the average home price in Langley?

The median owner-occupied home value in Langley, Washington is $670,100, against $535,300 across Island County.

Is it cheaper to rent or buy in Langley?

Median gross rent in Langley is $1,413 a month, against $4,641 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 Langley — 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