- 2 bd
- 1 ba
- 1,200 sqft

The average Big Arm, MT home value is $892,531, up 0.1% over the past year. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $892,531
1-Year Value Change: +0.1%
(Data through September 30, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Big Arm, MT is $892,531 as of September 2026. This represents a 0.1% decrease compared to last month and a 0.1% increase year-over-year.
Home values in Big Arm, MT have decreased by 0.1% month-over-month and 0.1% year-over-year.
The median home value in Big Arm, MT ($892,531) compares to: Lake County ($595,594), Montana ($467,275), and the U.S. national median ($366,157).