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Madison, AL Radon Levels

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


Madison, AL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Limestone County, AL
Zip Code 35756
Avg. User Level 4.00 pCi/L
User Tests 1

Situated in Limestone County within the Huntsville Metro area, Madison recorded an average radon level of 4.0 pCi/L from limited testing in zip code 35756. This reading meets the EPA's action threshold, indicating that homes in this area should prioritize radon testing and consider mitigation measures. Given Alabama's variable geology and the measured levels, residents should ensure their homes are properly assessed and treated as needed.

4.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Madison, AL. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Madison, AL Radon Mitigation

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

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Madison, AL Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Madison, AL 21-50 Years Partial Basement

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

Radon FAQ for Madison, AL

What is the average radon level in Madison, AL?
Based on 1 user-submitted test, the average radon level in Madison is 4.00 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 Madison in?
Madison and the 35756 zip code are in Limestone County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Madison?
Radon mitigation in Madison 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 Madison?
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 Alabama

Cities in Alabama with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Huntsville 9.00 pCi/L 2
Birmingham 7.00 pCi/L 2
Madison 4.00 pCi/L 1