Cost to Own
United StatesWashingtonWalla Walla County FIPS 53071 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Walla Walla County, Washington

A $376,000 home here costs

$2,919

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $1,933. The real number is $986 higher every month — 51% more than the payment most buyers budget for.

County median: $375,600
Under 20% adds PMI
Freddie Mac PMMS
US 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, $300,800 borrowed $1,933
Property tax0.901% effective rate — Walla Walla County assessor via Census ACS $282
Homeowners insuranceEstimated at 0.60% of home value per year $188
Electricity14.95¢/kWh — Washington residential average, EIA $134
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year — the cost nobody budgets $313
Total monthly $2,919

How Walla Walla County compares

Walla Walla County ranks 1,414th of 3,133 US counties by effective property tax rate, meaning property taxes here are lower than in 1,719 counties and higher than in 1,413. Within Washington it ranks 2nd of 39.

Walla Walla County 0.901% 8% higher than national
Washington average 0.761%
National median0.837%
Highest in America — Menominee County, WI3.636%

The numbers behind this page

MeasureWalla Walla CountySource
Median home value$375,600ACS B25077
Median real estate taxes paid$3,386ACS B25103
Effective property tax rate0.901%Derived
Median gross rent$1,113ACS B25064
Occupied housing units23,390ACS B25003
Population62,102ACS B01003
Residential electricity price14.95¢/kWhEIA 5.6.A
30-year fixed mortgage rate6.66%Freddie Mac PMMS

Other counties in Washington

Compare the cost of the same home elsewhere in the state.

All 39 counties in Washington

Questions about owning here

What is the property tax rate in Walla Walla County?

The effective property tax rate in Walla Walla County, Washington is 0.901% of home value per year. On the county's median home value of $375,600, that works out to about $3,386 annually, or $282 per month.

How much does it cost to own a home in Walla Walla County?

A $376,000 home in Walla Walla County, Washington costs approximately $2,919 per month with 20% down at 6.66%. That breaks down as $1,933 principal and interest, $282 property tax, $188 insurance, $202 utilities and $313 set aside for maintenance.

Why is this higher than the payment my lender quoted?

Lender quotes usually show principal and interest only, and sometimes property tax and insurance. They almost never include electricity, water or a maintenance reserve. Here those add about $516 a month, which is why the real cost is 51% above the mortgage payment alone.

Is it cheaper to rent in Walla Walla County?

Median gross rent in Walla Walla County, Washington is $1,113 per month, compared with $2,919 to own the median home outright. Renting is cheaper month to month, though rent does not build equity and is not fixed for 30 years.

How much is the electric bill in Walla Walla County?

Washington residential electricity averages 14.95¢ per kWh. At the US average household usage of 899 kWh per month, that is about $134. Actual bills vary considerably with house size, insulation and climate.

Sources & methodology

  • Median home value, real estate taxes paid, gross rent, occupied units and population — US Census Bureau, American Community Survey ACS 2023 5-Year, tables B25077, B25103, B25064, B25003, B01003.
  • Effective property tax rate — median real estate taxes paid divided by median home value.
  • Mortgage rate — Freddie Mac PMMS, updated weekly.
  • Residential electricity price — US Energy Information Administration, Electric Power Monthly, Table 5.6.A.
  • Homeowners insurance (0.60%/yr), maintenance (1%/yr) and water and sewer ($68/mo) are modelled national estimates, not quoted figures. Every one is editable above.

Full methodology