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Novi, MI Radon Levels

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


Novi, MI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Oakland County, MI
Zip Code 48374
Avg. User Level 5.00 pCi/L
User Tests 7

Novi spans multiple zip codes in Oakland County, where glacial deposits over limestone bedrock contribute to moderate radon levels across the Detroit Metro area. Based on seven local tests, the community averages 5.0 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. Individual readings have ranged from 2.0 to 11.0 pCi/L, demonstrating the importance of home-specific testing in this suburban community.

5.00
pCi/L average
Above EPA Action Level

Based on 7 user-submitted radon tests for homes in Novi, MI. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Novi, MI Radon Mitigation

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

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Novi, MI Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Novi, MI 0-20 Years Full Basement
4 pCi/L Novi, MI 21-50 Years Full Basement
5 pCi/L Novi, MI 21-50 Years Full Basement
11 pCi/L Novi, MI 21-50 Years Partial Basement
2 pCi/L Novi, MI 0-20 Years Full Basement

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

Radon Readings Near Novi, MI

Compare radon levels in Novi with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Northville 4.2 mi 5.33 pCi/L 3
Wixom 4.5 mi 13.00 pCi/L 2
Farmington 5.4 mi 2.00 pCi/L 1
Walled Lake 5.6 mi 6.33 pCi/L 3
Commerce Township 7.3 mi 4.00 pCi/L 1
Plymouth 7.5 mi 4.33 pCi/L 3
West Bloomfield 8.3 mi 5.25 pCi/L 4
South Lyon 8.9 mi 15.00 pCi/L 2

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 Novi, MI

What is the average radon level in Novi, MI?
Based on 7 user-submitted tests, the average radon level in Novi is 5.00 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 Novi in?
Novi and the 48374 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.
How much does radon mitigation cost in Novi?
Radon mitigation in Novi 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 Novi?
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.