Cost to Own
United States › Oregon › Washington County › Tualatin Population 27,710 Data vintage ACS 2023 5-Year Rates updated 2026-10-15
Before you budget for Tualatin FEMA rates natural hazard risk in Washington County Relatively High, with earthquake its highest-ranked hazard against other US counties. It shapes what insurers charge here. See what threatens homes in this county

Total monthly cost of ownership

Cost to Own a Home in Tualatin, Oregon

A $596,000 home here costs

$4,558

per month, all in, with 20% down at today's 7.40% 30-year fixed rate. By the 28% rule that takes a household income of about $195,500 a year.

P&I 72%Tax 10%Insurance 2%Utilities 5%Upkeep 11%

A standard mortgage calculator would have told you $3,301. The real number is $1,257 higher every month, 38% more than the payment most buyers budget for.

Compare Washington County with anywhere in America · full county breakdown

Tualatin median: $595,800
Under 20% adds PMI
Freddie Mac PMMS
OR 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, $476,800 borrowed $3,301
Property tax0.937% effective rate for Tualatin itself $465
Homeowners insuranceOregon averages $793/yr (NAIC), or 0.173% of home value $86
Electricity15.97ยข/kWh, Oregon residential average, EIA $141
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $497
Total monthly $4,558

Tualatin against Washington County and Oregon

MeasureTualatinWashington County
Median home value$595,800$558,500
Median property tax$5,583$4,852
Effective tax rate0.937%0.869%
Median gross rent$1,729$1,773
Population27,710600,266

Tualatin extends across 2 counties. Figures here use Washington County, where most of its housing sits.

The weather behind that power bill

Tualatin sits in Washington County, which averages a high of 82.2°F in its hottest month and a low of 32.6°F in its coldest, with 46.72" of precipitation a year and 50% of it in a single three-month stretch. That climate drives 347 cooling and 5,027 heating degree days, which is what sets the $141 electricity line above.

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

Other cities in Washington County

Full Washington County cost breakdown · Every county in Oregon

Talk to someone who works this market

These are Tualatin averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Tualatin every week. Free, no obligation, and we never sell your details to a list.

I'm looking to buy in Tualatin I already own here and may sell

Common questions

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

A $596,000 home in Tualatin, Oregon costs approximately $4,558 per month with 20% down at 7.4%. That is $3,301 principal and interest, $465 property tax, $86 homeowners insurance, $209 utilities and $497 set aside for maintenance.

What is the property tax rate in Tualatin?

Tualatin has an effective property tax rate of 0.937%, based on a median home value of $595,800 and median real estate taxes of $5,583. That is higher than the Washington County average of 0.869%.

What is the average home price in Tualatin?

The median owner-occupied home value in Tualatin, Oregon is $595,800, against $558,500 across Washington County.

Is it cheaper to rent or buy in Tualatin?

Median gross rent in Tualatin is $1,729 a month, against $4,558 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

What salary do you need to buy a home in Tualatin?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Tualatin, Oregon at today's rate takes a household income of roughly $195,500 a year. That covers the full $4,558 monthly cost, not just the mortgage payment.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Tualatin, US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance, NAIC average premium for Oregon.
  • 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