Longboat Key, FL Radon Mitigation and Testing

Q: What EPA Radon Zone is Longboat Key in?

Longboat Key is in Sarasota County, EPA Zone 3.

Q: How much does radon mitigation cost in Longboat Key?

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

Sarasota County

EPA Zone 3

This barrier island community in Sarasota County features predominantly slab-on-grade construction typical of coastal Florida, where sandy soils and limestone bedrock generally produce lower radon levels. While testing data for zip code 34228 is currently limited, the North Port Metro area's coastal geology suggests moderate radon potential. Residents should still consider testing, especially in condominiums with below-grade parking areas or utility spaces.

Longboat Key, FL Radon Mitigation

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

Longboat Key, FL Radon Testing

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

Longboat Key Radon Facts

Key details about the radon risk profile for Longboat Key and the 34228 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Sarasota County, FL

Zip Code

34228

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Longboat Key and the 34228 zip code are located in Sarasota 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 Longboat Key, FL

What EPA Radon Zone is Longboat Key in?

Longboat Key and the 34228 zip code are in Sarasota 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 Longboat Key?

Radon mitigation in Longboat Key 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 Longboat Key?

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