Biloxi, MS Radon Mitigation and Testing

Q: What EPA Radon Zone is Biloxi in?

Biloxi is in Harrison County, EPA Zone 3.

Q: How much does radon mitigation cost in Biloxi?

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

Harrison County

EPA Zone 3

This Gulf Coast city in Harrison County sits on marine sediments and barrier island formations that generally produce low radon levels throughout zip codes 39530-39532. However, testing data remains limited across the Gulfport Metro area, making individual home testing advisable for residents. Biloxi's housing stock includes many slab-on-grade homes and elevated coastal construction designed for the subtropical climate.

Biloxi, MS Radon Mitigation

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

Biloxi, MS Radon Testing

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

Biloxi Radon Facts

Key details about the radon risk profile for Biloxi and the 39530 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Harrison County, MS

Zip Code

39530

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Biloxi and the 39530 zip code are located in Harrison 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 Biloxi, MS

What EPA Radon Zone is Biloxi in?

Biloxi and the 39530 zip code are in Harrison 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 Biloxi?

Radon mitigation in Biloxi 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 Biloxi?

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.