Total monthly cost of ownership
Cost to Own a Home in King Arthur Park, Montana
A $334,000 home here costs
$2,477per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,717. The real number is $760 higher every month — 44% 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.
King Arthur Park against Gallatin County and Montana
| Measure | King Arthur Park | Gallatin County |
|---|---|---|
| Median home value | $333,500 | $604,900 |
| Median property tax | — | $3,625 |
| Effective tax rate | 0.599% | 0.599% |
| Median gross rent | $2,201 | $1,574 |
| Population | 2,343 | 122,194 |
The weather behind that power bill
King Arthur Park 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 King Arthur Park?
A $334,000 home in King Arthur Park, Montana costs approximately $2,477 per month with 20% down at 6.66%. That is $1,717 principal and interest, $167 property tax, $115 homeowners insurance, $200 utilities and $278 set aside for maintenance.
What is the property tax rate in King Arthur Park?
Place-level tax data is not published for King Arthur Park, so the Gallatin County rate of 0.599% applies here.
What is the average home price in King Arthur Park?
The median owner-occupied home value in King Arthur Park, Montana is $333,500, against $604,900 across Gallatin County.
Is it cheaper to rent or buy in King Arthur Park?
Median gross rent in King Arthur Park is $2,201 a month, against $2,477 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 King Arthur Park — 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.