Oak Park, MI Radon Levels

Q: What EPA Radon Zone is Oak Park in?

Oak Park is in Oakland County, EPA Zone 2.

Q: How much does radon mitigation cost in Oak Park?

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

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

Oak Park, MI Radon Facts

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

County Oakland County, MI

Zip Code 48237

Positioned in Oakland County within the Detroit Metro area, Oak Park sits in EPA Zone 2 where glacial deposits over sedimentary bedrock create moderate radon potential. With testing data currently limited for the 48237 zip code, residents should consider radon testing to establish baseline readings for their specific properties.

7.30

pCi/L area average

Above EPA Action Level

Oakland County average: 7.30 pCi/L, based on 50 user-submitted tests across 22 cities in the county. No homeowner readings have been submitted for Oak Park 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+

Oak Park, 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 Oak Park, MI

No homeowner tests have been submitted for Oak Park 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
Franklin	5.2 mi	8.00 pCi/L	1
Birmingham	5.6 mi	6.00 pCi/L	1
Troy	8.1 mi	3.00 pCi/L	1
Bloomfield Hills	8.4 mi	4.00 pCi/L	1
Warren	8.6 mi	5.67 pCi/L	3
Farmington	10.1 mi	2.00 pCi/L	1
Sterling Heights	11.4 mi	7.00 pCi/L	1
West Bloomfield	12.3 mi	5.25 pCi/L	4

Oakland County Radon Profile

The soils and bedrock of Oakland County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 22 cities in Oakland County average 7.30 pCi/L across 50 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Oakland County to test, as levels can differ between neighboring homes.

Radon FAQ for Oak Park, MI

What EPA Radon Zone is Oak Park in?

Oak Park and the 48237 zip code are in Oakland 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 Oak Park?

No homeowner radon tests have been submitted for Oak Park yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Oakland County average—are the best available indicator of local conditions until Oak Park 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 Oak Park?

Radon mitigation in Oak Park 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 Oak Park?

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.