Huntsville, AL Radon Levels

Q: What is the average radon level in Huntsville, AL?

Based on 2 user-submitted tests, the average radon level is 9.00 pCi/L.

Q: What EPA Radon Zone is Huntsville in?

Huntsville is in Madison County, EPA Zone 1.

Q: How much does radon mitigation cost in Huntsville?

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

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

Huntsville, AL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Madison County, AL

Zip Code 35801

Avg. User Level 9.00 pCi/L

User Tests 2

Huntsville in Madison County shows concerning radon levels with an average reading of 9.0 pCi/L, well above the EPA's 4.0 pCi/L action threshold. The Tennessee Valley's limestone bedrock and karst geology contribute to significant radon accumulation in area homes. Testing across multiple zip codes reveals readings ranging from 7.0 to 11.0 pCi/L, indicating that professional radon mitigation is likely needed for most properties.

9.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Huntsville, AL. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Huntsville, AL Radon Mitigation

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

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Huntsville, AL Radon Levels

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

Radon Level	City	Home Age	Foundation
11 pCi/L	Huntsville, AL	0-20 Years	No Basement/All Slab
7 pCi/L	Huntsville, AL	0-20 Years	No Basement/All Slab

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Radon FAQ for Huntsville, AL

What is the average radon level in Huntsville, AL?

Based on 2 user-submitted tests, the average radon level in Huntsville 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 Huntsville in?

Huntsville and the 35801 zip code are in Madison 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 Huntsville?

Radon mitigation in Huntsville 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 Huntsville?

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.

City	Avg User Radon Level	Submissions
Huntsville	9.00 pCi/L	2
Birmingham	7.00 pCi/L	2
Madison	4.00 pCi/L	1

Huntsville, AL Radon Levels

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

Huntsville, AL Radon Facts

Huntsville, AL Radon Mitigation

Need Radon Mitigation or Testing in Huntsville?

Huntsville, AL Radon Levels

Radon FAQ for Huntsville, AL

Most Active Radon Markets in Alabama

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