Cost to Own
United StatesMontanaSweet Grass CountyBig Timber Population 1,530 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Big Timber, Montana

A $235,000 home here costs

$1,794

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

A standard mortgage calculator would have told you $1,208. The real number is $586 higher every month — 49% more than the payment most buyers budget for.

Big Timber median: $235,100
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, $188,000 borrowed $1,208
Property tax0.560% effective rate for Big Timber itself $110
Homeowners insuranceMontana averages $1,471/yr (NAIC), or 0.413% of home value $81
Electricity14.67¢/kWh — Montana residential average, EIA $132
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $196
Total monthly $1,794

Big Timber against Sweet Grass County and Montana

MeasureBig TimberSweet Grass County
Median home value$235,100$295,500
Median property tax$1,317$1,452
Effective tax rate0.560%0.491%
Median gross rent$1,009$1,073
Population1,5303,713

The weather behind that power bill

Big Timber sits in Sweet Grass County, which averages a high of 86.2°F in its hottest month and a low of 19.5°F in its coldest, with 16.93" of precipitation a year and 46% of it in a single three-month stretch. That climate drives 374 cooling and 6,910 heating degree days, which is what sets the $132 electricity line above.

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

Other cities in Sweet Grass County

No other places of this size are published in Sweet Grass County.

Full Sweet Grass County cost breakdown · Every county in Montana

Common questions

How much does it cost to own a home in Big Timber?

A $235,000 home in Big Timber, Montana costs approximately $1,794 per month with 20% down at 6.66%. That is $1,208 principal and interest, $110 property tax, $81 homeowners insurance, $200 utilities and $196 set aside for maintenance.

What is the property tax rate in Big Timber?

Big Timber has an effective property tax rate of 0.560%, based on a median home value of $235,100 and median real estate taxes of $1,317. That is higher than the Sweet Grass County average of 0.491%.

What is the average home price in Big Timber?

The median owner-occupied home value in Big Timber, Montana is $235,100, against $295,500 across Sweet Grass County.

Is it cheaper to rent or buy in Big Timber?

Median gross rent in Big Timber is $1,009 a month, against $1,794 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 Big Timber — 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