Gardiner, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Gardiner in?

Gardiner is in Park County, EPA Zone 1.

Q: How much does radon mitigation cost in Gardiner?

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

Park County

EPA Zone 1

Located in Park County near Yellowstone's northern gateway, Gardiner sits on volcanic and sedimentary formations that can produce variable radon levels. Current testing data for zip code 59030 is limited, making individual home testing essential for this mountain community. The area's mix of historic buildings and newer residential construction may experience different radon accumulation patterns depending on foundation type and proximity to geological features.

Gardiner, MT Radon Mitigation

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

Gardiner, MT Radon Testing

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

Gardiner Radon Facts

Key details about the radon risk profile for Gardiner and the 59030 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Park County, MT

Zip Code

59030

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Gardiner and the 59030 zip code are located in Park 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 Gardiner, MT

What EPA Radon Zone is Gardiner in?

Gardiner and the 59030 zip code are in Park 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 Gardiner?

Radon mitigation in Gardiner 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 Gardiner?

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