Cost to Own
United StatesWashingtonYakima CountyUnion Gap Population 6,511 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Union Gap, Washington

A $186,000 home here costs

$1,482

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

A standard mortgage calculator would have told you $956. The real number is $526 higher every month — 55% more than the payment most buyers budget for.

Union Gap median: $186,200
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, $148,800 borrowed $956
Property tax0.909% effective rate for Union Gap itself $141
Homeowners insuranceWashington averages $1,001/yr (NAIC), or 0.178% of home value $28
Electricity14.95¢/kWh — Washington residential average, EIA $134
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $155
Total monthly $1,482

Union Gap against Yakima County and Washington

MeasureUnion GapYakima County
Median home value$186,200$281,100
Median property tax$1,693$2,299
Effective tax rate0.909%0.818%
Median gross rent$1,111$1,068
Population6,511256,605

The weather behind that power bill

Union Gap sits in Yakima County, which averages a high of 89.9°F in its hottest month and a low of 23.1°F in its coldest, with 8.01" of precipitation a year and 44% of it in a single three-month stretch. That climate drives 606 cooling and 5,756 heating degree days, which is what sets the $134 electricity line above.

See the full climate breakdown for Yakima County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Yakima County

Full Yakima County cost breakdown · Every county in Washington

Common questions

How much does it cost to own a home in Union Gap?

A $186,000 home in Union Gap, Washington costs approximately $1,482 per month with 20% down at 6.66%. That is $956 principal and interest, $141 property tax, $28 homeowners insurance, $202 utilities and $155 set aside for maintenance.

What is the property tax rate in Union Gap?

Union Gap has an effective property tax rate of 0.909%, based on a median home value of $186,200 and median real estate taxes of $1,693. That is higher than the Yakima County average of 0.818%.

What is the average home price in Union Gap?

The median owner-occupied home value in Union Gap, Washington is $186,200, against $281,100 across Yakima County.

Is it cheaper to rent or buy in Union Gap?

Median gross rent in Union Gap is $1,111 a month, against $1,482 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 Union Gap — 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.

Full methodology