West Yellowstone, MT Radon Mitigation and Testing

Q: What is the average radon level in West Yellowstone, MT?

Based on 1 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is West Yellowstone in?

West Yellowstone is in Gallatin County, EPA Zone 1.

Q: How much does radon mitigation cost in West Yellowstone?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 7.00 pCi/L

Gallatin County

EPA Zone 1

1 user test

Gateway to Yellowstone National Park in Gallatin County, West Yellowstone shows an average radon level of 7.0 pCi/L, exceeding EPA action thresholds. This high-altitude community sits atop volcanic bedrock and glacial deposits that contribute to elevated radon production. Properties in zip code 59758, including both seasonal and year-round homes with basement foundations, should prioritize radon mitigation given the area's geological conditions.

7.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in West Yellowstone, MT. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

West Yellowstone, MT Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

West Yellowstone, MT Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

West Yellowstone, Montana Radon Levels

User-submitted radon test readings from homes in the West Yellowstone area.

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	West Yellowstone, MT	21-50 Years	Full Basement	Apr 2021

Have a radon test result for West Yellowstone? Submit your reading to help other homeowners.

West Yellowstone Radon Facts

Key details about the radon risk profile for West Yellowstone and the 59758 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Gallatin County, MT

Zip Code

59758

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

7.00 pCi/L

User Tests Submitted

West Yellowstone and the 59758 zip code are located in Gallatin County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for West Yellowstone, MT

What is the average radon level in West Yellowstone, MT?

Based on 1 user-submitted test, the average radon level in West Yellowstone is 7.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is West Yellowstone in?

West Yellowstone and the 59758 zip code are in Gallatin County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in West Yellowstone?

Radon mitigation in West Yellowstone typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in West Yellowstone?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Montana

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Butte	10.20 pCi/L	10
Missoula	6.25 pCi/L	8
Florence	11.67 pCi/L	3
Bozeman	10.33 pCi/L	3
Helena	8.67 pCi/L	3
Stevensville	7.67 pCi/L	3
Sidney	7.33 pCi/L	3
Billings	5.33 pCi/L	3
Miles City	3.33 pCi/L	3
Kalispell	7.50 pCi/L	2
Great Falls	4.50 pCi/L	2
Whitefish	4.00 pCi/L	2
Ennis	9.00 pCi/L	1
Livingston	No submissions	0