- 2 bd
- 1 ba
- 1,200 sqft

The average Big Arm, MT home value is $900,255, down 0.3% 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: $900,255
1-Year Value Change: -0.3%
(Data through August 31, 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 $900,255 as of August 2026. This represents a 0.1% increase compared to last month and a 0.3% decrease year-over-year.
Home values in Big Arm, MT have increased by 0.1% month-over-month and 0.3% year-over-year.
The median home value in Big Arm, MT ($900,255) compares to: Lake County ($602,510), Montana ($471,746), and the U.S. national median ($368,697).