Total monthly cost of ownership
Cost to Own a Home in Tualatin, Oregon
A $596,000 home here costs
$4,326per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $3,064. The real number is $1,262 higher every month — 41% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Tualatin against Washington County and Oregon
| Measure | Tualatin | Washington County |
|---|---|---|
| Median home value | $595,800 | $558,500 |
| Median property tax | $5,583 | $4,852 |
| Effective tax rate | 0.937% | 0.869% |
| Median gross rent | $1,729 | $1,773 |
| Population | 27,710 | 600,266 |
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 $146 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
Common questions
How much does it cost to own a home in Tualatin?
A $596,000 home in Tualatin, Oregon costs approximately $4,326 per month with 20% down at 6.66%. That is $3,064 principal and interest, $465 property tax, $86 homeowners insurance, $214 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 $4,326 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 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.