Dauphin Island, AL Radon Mitigation and Testing

Q: What EPA Radon Zone is Dauphin Island in?

Dauphin Island is in Mobile County, EPA Zone 3.

Q: How much does radon mitigation cost in Dauphin Island?

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

Mobile County

EPA Zone 3

Dauphin Island, AL resides in Mobile County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. Testing is recommended for all homes in the 36528 zip code area.

Dauphin Island, AL Radon Mitigation

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

Dauphin Island, AL Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Dauphin Island Radon Facts

Key details about the radon risk profile for Dauphin Island and the 36528 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Mobile County, AL

Zip Code

36528

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Dauphin Island and the 36528 zip code are located in Mobile County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Dauphin Island, AL

What EPA Radon Zone is Dauphin Island in?

Dauphin Island and the 36528 zip code are in Mobile County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Dauphin Island?

Radon mitigation in Dauphin Island 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 Dauphin Island?

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 with the most user-submitted radon test data in the state.

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