Marianna, FL Radon Mitigation and Testing

Q: What EPA Radon Zone is Marianna in?

Marianna is in Jackson County, EPA Zone 3.

Q: How much does radon mitigation cost in Marianna?

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

Jackson County

EPA Zone 3

Located in northwest Florida's Jackson County, Marianna sits atop limestone bedrock and sandy coastal plain soils typical of the region's karst topography. Local homes range from historic downtown properties to suburban developments, with concrete slab foundations predominating due to the high water table and sandy conditions. Since radon testing data for zip codes 32446 and 32448 is currently unavailable, residents should conduct individual testing to assess their specific radon levels.

Marianna, FL Radon Mitigation

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

Marianna, FL Radon Testing

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

Marianna Radon Facts

Key details about the radon risk profile for Marianna and the 32446 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Jackson County, FL

Zip Code

32446

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Marianna and the 32446 zip code are located in Jackson 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 Marianna, FL

What EPA Radon Zone is Marianna in?

Marianna and the 32446 zip code are in Jackson 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 Marianna?

Radon mitigation in Marianna 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 Marianna?

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 Florida

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

City	Avg User Radon Level	Submissions
Ocala	8.31 pCi/L	16
Gainesville	7.09 pCi/L	11
Naples	7.00 pCi/L	11
Lakeland	9.83 pCi/L	6
Bradenton	4.80 pCi/L	5
Alachua	11.50 pCi/L	4
Cape Coral	5.75 pCi/L	4
Miami	5.25 pCi/L	4
North Port	5.25 pCi/L	4
Venice	5.25 pCi/L	4
Tallahassee	4.75 pCi/L	4
Orlando	4.25 pCi/L	4
Valrico	8.33 pCi/L	3
Bonita Springs	6.67 pCi/L	3
Lithia	5.00 pCi/L	3
Sarasota	4.00 pCi/L	3
Estero	6.50 pCi/L	2
Boynton Beach	20.00 pCi/L	1
Fort Lauderdale	14.00 pCi/L	1
Miami Beach	10.00 pCi/L	1