Total monthly cost of ownership
Cost to Own a Home in Kennewick, Washington
A $344,000 home here costs
$2,526per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,769. The real number is $757 higher every month — 43% 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.
Kennewick against Benton County and Washington
| Measure | Kennewick | Benton County |
|---|---|---|
| Median home value | $343,600 | $369,400 |
| Median property tax | $2,602 | $2,910 |
| Effective tax rate | 0.757% | 0.788% |
| Median gross rent | $1,199 | $1,256 |
| Population | 84,389 | 210,224 |
The weather behind that power bill
Kennewick sits in Benton County, which averages a high of 92.5°F in its hottest month and a low of 27.3°F in its coldest, with 7.62" of precipitation a year and 38% of it in a single three-month stretch. That climate drives 788 cooling and 5,011 heating degree days, which is what sets the $134 electricity line above.
See the full climate breakdown for Benton County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Benton County
Full Benton County cost breakdown · Every county in Washington
Common questions
How much does it cost to own a home in Kennewick?
A $344,000 home in Kennewick, Washington costs approximately $2,526 per month with 20% down at 6.66%. That is $1,769 principal and interest, $217 property tax, $51 homeowners insurance, $202 utilities and $287 set aside for maintenance.
What is the property tax rate in Kennewick?
Kennewick has an effective property tax rate of 0.757%, based on a median home value of $343,600 and median real estate taxes of $2,602. That is lower than the Benton County average of 0.788%.
What is the average home price in Kennewick?
The median owner-occupied home value in Kennewick, Washington is $343,600, against $369,400 across Benton County.
Is it cheaper to rent or buy in Kennewick?
Median gross rent in Kennewick is $1,199 a month, against $2,526 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 Kennewick — 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.