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Flint, MI Radon Levels

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


Flint, MI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Genesee County, MI
Zip Code 48502
Avg. User Level 9.00 pCi/L
User Tests 3

As the seat of Genesee County and center of the Flint metro area, this city shows an average radon level of 8.0 pCi/L, which significantly exceeds the EPA action threshold. The area's glacial deposits over sedimentary bedrock create geological conditions highly favorable for radon accumulation in basements throughout the 48502 zip code. With readings consistently above safe levels, residents should prioritize radon testing and mitigation system installation.

9.00
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Flint, MI. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Flint, MI Radon Mitigation

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

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Flint, MI Radon Levels

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

Radon LevelCityHome AgeFoundation
8 pCi/L Flint, MI 51-99 Years Partial Basement
14 pCi/L Flint, MI 21-50 Years Partial Basement
5 pCi/L Flint, MI 51-99 Years Partial Basement

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

Radon Readings Near Flint, MI

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

CityDistanceAvg User LevelReadings
Flushing 7.1 mi 7.50 pCi/L 2
Swartz Creek 7.7 mi 10.00 pCi/L 1
Grand Blanc 8.7 mi 4.00 pCi/L 1
Goodrich 14.1 mi 5.00 pCi/L 1
Linden 15.7 mi 3.50 pCi/L 2
Fenton 16.9 mi 4.00 pCi/L 1
Holly 17.3 mi 4.00 pCi/L 1
Lapeer 19.4 mi 4.00 pCi/L 1

Genesee County Radon Profile

The soils and bedrock of Genesee 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 7 cities in Genesee County average 6.55 pCi/L across 11 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 Genesee County to test, as levels can differ between neighboring homes.

Radon FAQ for Flint, MI

What is the average radon level in Flint, MI?
Based on 3 user-submitted tests, the average radon level in Flint is 9.00 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 Flint in?
Flint and the 48502 zip code are in Genesee 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 Flint?
Radon mitigation in Flint 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 Flint?
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.