Miami, FL Radon Mitigation and Testing

Q: What is the average radon level in Miami, FL?

Based on 5 user-submitted tests, the average radon level is 5.20 pCi/L.

Q: What EPA Radon Zone is Miami in?

Miami is in Miami-Dade County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Miami?

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

Avg: 5.20 pCi/L

Miami-Dade County

EPA Zone Unknown

5 user tests

Miami is located in Miami-Dade County, Florida. With 5 user-submitted readings averaging 5.20 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 33122 zip code.

5.20

pCi/L average

Above EPA Action Level

Based on 5 user-submitted radon tests for homes in Miami, FL. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Miami, FL Radon Mitigation

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

Miami, FL Radon Testing

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

Miami, Florida Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	Miami, FL	0-20 Years	No Basement/All Slab	Aug 2024
5 pCi/L	Miami, FL	21-50 Years	No Basement/All Crawl Space	Feb 2021
4 pCi/L	Miami, FL	0-20 Years	—	Feb 2021
5 pCi/L	Miami, FL	—	—	Oct 2018

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

Miami Radon Facts

Key details about the radon risk profile for Miami and the 33122 zip code area.

EPA Radon Zone

Unknown

County

Miami-Dade County, FL

Zip Code

33122

Predicted Screening Level

Unknown

Avg. User Submitted Level

5.20 pCi/L

User Tests Submitted

Miami and the 33122 zip code are located in Miami-Dade County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Miami, FL

What is the average radon level in Miami, FL?

Based on 5 user-submitted tests, the average radon level in Miami is 5.20 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 Miami in?

Miami and the 33122 zip code are in Miami-Dade County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Miami?

Radon mitigation in Miami 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 Miami?

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