MT
Radon Test Kits in Cascade County, MT
Cascade County sells a $25 long-term radon test kit at its Great Falls health department office. The office for this county is 325 2nd Ave North in Great Falls. Phone 406-454-6950. Serves residents of Cascade County, Montana, including Great Falls.
We checked this on October 1, 2026. Confirm the official page before you travel. Prices and stock change.
Where to get a kit
Cascade County Radon Test Kits: $25
Cascade County sells a $25 long-term radon test kit at its Great Falls health department office.
Buy in person (call to confirm stock):
- Cascade City-County Health Department, 325 2nd Ave North, 406-454-6950
One test, or keep watching
One test: $25
A lab kit from the program above. Good for a first look. One test is a snapshot, not a pattern.
Keep watching: Airthings Corentium Home 2, $179.99
New readings every day for as long as you own it. Good if you want to know, not guess. Price checked October 1, 2026.
If you buy through our Airthings link, we may earn a commission. You don't pay extra. Add your name and shipping, then enter ARS10-10OFF. The link does not apply the code by itself.