Gregory, MI Radon Levels

Q: What EPA Radon Zone is Gregory in?

Gregory is in Livingston County, EPA Zone 2.

Q: How much does radon mitigation cost in Gregory?

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

Check local Gregory radon levels and find certified testing and mitigation professionals to keep your home safe

Gregory, MI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Livingston County, MI

Zip Code 48137

Located in Livingston County within both the Ann Arbor and Detroit Metro areas, Gregory sits on glacial deposits that can influence radon accumulation patterns. Testing data for zip code 48137 remains limited, making individual home testing essential. Michigan's glacial geology and the area's predominantly basement-equipped housing create conditions where radon can concentrate in enclosed below-grade spaces.

7.55

pCi/L area average

Above EPA Action Level

Livingston County average: 7.55 pCi/L, based on 11 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Gregory itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Gregory, MI Radon Mitigation

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

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Radon Readings Near Gregory, MI

No homeowner tests have been submitted for Gregory yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Pinckney	9.3 mi	7.33 pCi/L	3
Fowlerville	11.4 mi	13.00 pCi/L	1
Munith	12.1 mi	3.00 pCi/L	1
Dexter	13.4 mi	4.00 pCi/L	1
Howell	13.6 mi	7.50 pCi/L	4
Pleasant Lake	15.1 mi	13.00 pCi/L	1
Grass Lake	16.5 mi	6.00 pCi/L	1
Brighton	16.9 mi	6.00 pCi/L	3

Livingston County Radon Profile

Livingston County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 4 cities in Livingston County average 7.55 pCi/L across 11 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Livingston County.

Radon FAQ for Gregory, MI

What EPA Radon Zone is Gregory in?

Gregory and the 48137 zip code are in Livingston 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.

Why are radon readings shown from areas near Gregory?

No homeowner radon tests have been submitted for Gregory yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Livingston County average—are the best available indicator of local conditions until Gregory homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Gregory?

Radon mitigation in Gregory 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 Gregory?

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.