Cost to Own
United StatesWashingtonSnohomish CountyMartha Lake Population 22,740 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Martha Lake, Washington

A $725,000 home here costs

$5,150

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

A standard mortgage calculator would have told you $3,727. The real number is $1,423 higher every month — 38% more than the payment most buyers budget for.

Martha Lake median: $725,400
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, $580,000 borrowed $3,727
Property tax0.842% effective rate for Martha Lake itself $509
Homeowners insuranceWashington averages $1,001/yr (NAIC), or 0.178% of home value $108
Electricity14.95¢/kWh — Washington residential average, EIA $134
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $604
Total monthly $5,150

Martha Lake against Snohomish County and Washington

MeasureMartha LakeSnohomish County
Median home value$725,400$644,600
Median property tax$6,110$5,121
Effective tax rate0.842%0.794%
Median gross rent$2,014$1,866
Population22,740834,648

The weather behind that power bill

Martha Lake sits in Snohomish County, which averages a high of 73.0°F in its hottest month and a low of 36.0°F in its coldest, with 33.37" of precipitation a year and 40% of it in a single three-month stretch. That climate drives 97 cooling and 5,039 heating degree days, which is what sets the $134 electricity line above.

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

Other cities in Snohomish County

Full Snohomish County cost breakdown · Every county in Washington

Common questions

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

A $725,000 home in Martha Lake, Washington costs approximately $5,150 per month with 20% down at 6.66%. That is $3,727 principal and interest, $509 property tax, $108 homeowners insurance, $202 utilities and $604 set aside for maintenance.

What is the property tax rate in Martha Lake?

Martha Lake has an effective property tax rate of 0.842%, based on a median home value of $725,400 and median real estate taxes of $6,110. That is higher than the Snohomish County average of 0.794%.

What is the average home price in Martha Lake?

The median owner-occupied home value in Martha Lake, Washington is $725,400, against $644,600 across Snohomish County.

Is it cheaper to rent or buy in Martha Lake?

Median gross rent in Martha Lake is $2,014 a month, against $5,150 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 Martha 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