Cost to Own
United StatesMontanaGallatin CountyWest Yellowstone Population 1,457 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in West Yellowstone, Montana

A $403,000 home here costs

$2,969

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

A standard mortgage calculator would have told you $2,072. The real number is $897 higher every month — 43% more than the payment most buyers budget for.

West Yellowstone median: $402,600
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, $322,400 borrowed $2,072
Property tax0.663% effective rate for West Yellowstone itself $223
Homeowners insuranceMontana averages $1,471/yr (NAIC), or 0.413% of home value $139
Electricity14.67¢/kWh — Montana residential average, EIA $132
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $336
Total monthly $2,969

West Yellowstone against Gallatin County and Montana

MeasureWest YellowstoneGallatin County
Median home value$402,600$604,900
Median property tax$2,671$3,625
Effective tax rate0.663%0.599%
Median gross rent$1,035$1,574
Population1,457122,194

The weather behind that power bill

West Yellowstone sits in Gallatin County, which averages a high of 85.4°F in its hottest month and a low of 9.7°F in its coldest, with 13.43" of precipitation a year and 47% of it in a single three-month stretch. That climate drives 232 cooling and 8,244 heating degree days, which is what sets the $132 electricity line above.

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

Other cities in Gallatin County

Full Gallatin County cost breakdown · Every county in Montana

Common questions

How much does it cost to own a home in West Yellowstone?

A $403,000 home in West Yellowstone, Montana costs approximately $2,969 per month with 20% down at 6.66%. That is $2,072 principal and interest, $223 property tax, $139 homeowners insurance, $200 utilities and $336 set aside for maintenance.

What is the property tax rate in West Yellowstone?

West Yellowstone has an effective property tax rate of 0.663%, based on a median home value of $402,600 and median real estate taxes of $2,671. That is higher than the Gallatin County average of 0.599%.

What is the average home price in West Yellowstone?

The median owner-occupied home value in West Yellowstone, Montana is $402,600, against $604,900 across Gallatin County.

Is it cheaper to rent or buy in West Yellowstone?

Median gross rent in West Yellowstone is $1,035 a month, against $2,969 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 West Yellowstone — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Montana.
  • 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