Total monthly cost of ownership
Cost to Own a Home in Coulee Dam, Washington
A $213,000 home here costs
$1,654per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,095. The real number is $559 higher every month — 51% 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.
Coulee Dam against Grant County and Washington
| Measure | Coulee Dam | Grant County |
|---|---|---|
| Median home value | $212,900 | $275,700 |
| Median property tax | $1,769 | $2,268 |
| Effective tax rate | 0.831% | 0.823% |
| Median gross rent | $952 | $1,059 |
| Population | 1,457 | 100,428 |
Coulee Dam extends across 3 counties. Figures here use Grant County, where most of its housing sits.
The weather behind that power bill
Coulee Dam sits in Grant County, which averages a high of 89.3°F in its hottest month and a low of 23.5°F in its coldest, with 7.58" of precipitation a year and 38% of it in a single three-month stretch. That climate drives 843 cooling and 5,753 heating degree days, which is what sets the $134 electricity line above.
See the full climate breakdown for Grant County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Grant County
Full Grant County cost breakdown · Every county in Washington
Common questions
How much does it cost to own a home in Coulee Dam?
A $213,000 home in Coulee Dam, Washington costs approximately $1,654 per month with 20% down at 6.66%. That is $1,095 principal and interest, $148 property tax, $32 homeowners insurance, $202 utilities and $178 set aside for maintenance.
What is the property tax rate in Coulee Dam?
Coulee Dam has an effective property tax rate of 0.831%, based on a median home value of $212,900 and median real estate taxes of $1,769. That is in line with the Grant County average of 0.823%.
What is the average home price in Coulee Dam?
The median owner-occupied home value in Coulee Dam, Washington is $212,900, against $275,700 across Grant County.
Is it cheaper to rent or buy in Coulee Dam?
Median gross rent in Coulee Dam is $952 a month, against $1,654 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 Coulee Dam — 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.