Greycliff, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Greycliff in?

Greycliff is in Sweet Grass County, EPA Zone 2.

Q: How much does radon mitigation cost in Greycliff?

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

Sweet Grass County

EPA Zone 2

Positioned in Sweet Grass County along the Yellowstone River valley, Greycliff's sedimentary bedrock and alluvial soils typically produce moderate radon potential. Testing data for zip code 59033 is currently limited, though the EPA Zone 2 classification suggests moderate risk levels. Homeowners should consider baseline radon testing to understand their specific exposure, particularly in homes with basements or lower-level living areas.

Greycliff, MT Radon Mitigation

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

Greycliff, MT Radon Testing

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

Greycliff Radon Facts

Key details about the radon risk profile for Greycliff and the 59033 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Sweet Grass County, MT

Zip Code

59033

Predicted Screening Level

2–4 pCi/L (Zone 2)

Greycliff and the 59033 zip code are located in Sweet Grass County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Greycliff, MT

What EPA Radon Zone is Greycliff in?

Greycliff and the 59033 zip code are in Sweet Grass County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Greycliff?

Radon mitigation in Greycliff 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 Greycliff?

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