Total monthly cost of ownership
Cost to Own a Home in Rainier, Washington
A $389,000 home here costs
$2,814per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $2,000. The real number is $814 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.
Rainier against Thurston County and Washington
| Measure | Rainier | Thurston County |
|---|---|---|
| Median home value | $388,900 | $451,500 |
| Median property tax | $2,761 | $4,043 |
| Effective tax rate | 0.710% | 0.895% |
| Median gross rent | $1,128 | $1,634 |
| Population | 2,499 | 296,640 |
The weather behind that power bill
Rainier sits in Thurston County, which averages a high of 78.0°F in its hottest month and a low of 32.3°F in its coldest, with 50.62" of precipitation a year and 47% of it in a single three-month stretch. That climate drives 113 cooling and 5,378 heating degree days, which is what sets the $134 electricity line above.
See the full climate breakdown for Thurston County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Thurston County
Full Thurston County cost breakdown · Every county in Washington
Common questions
How much does it cost to own a home in Rainier?
A $389,000 home in Rainier, Washington costs approximately $2,814 per month with 20% down at 6.66%. That is $2,000 principal and interest, $230 property tax, $58 homeowners insurance, $202 utilities and $324 set aside for maintenance.
What is the property tax rate in Rainier?
Rainier has an effective property tax rate of 0.710%, based on a median home value of $388,900 and median real estate taxes of $2,761. That is lower than the Thurston County average of 0.895%.
What is the average home price in Rainier?
The median owner-occupied home value in Rainier, Washington is $388,900, against $451,500 across Thurston County.
Is it cheaper to rent or buy in Rainier?
Median gross rent in Rainier is $1,128 a month, against $2,814 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 Rainier — 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.