Saint Augustine, FL Radon Mitigation and Testing

Q: What EPA Radon Zone is Saint Augustine in?

Saint Augustine is in St Johns County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Saint Augustine?

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

St Johns County

EPA Zone Unknown

Historic Saint Augustine in St Johns County sits on Florida's Atlantic coast where marine sediments and limestone formations create generally low radon conditions. Testing data across the city's multiple zip codes remains limited, though Florida's warm climate and predominantly slab-on-grade construction typically result in lower radon accumulation. Nevertheless, homes with enclosed crawl spaces or areas of dense development should still consider radon testing.

Saint Augustine, FL Radon Mitigation

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

Saint Augustine, FL Radon Testing

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

Saint Augustine Radon Facts

Key details about the radon risk profile for Saint Augustine and the 32080 zip code area.

EPA Radon Zone

Unknown

County

St Johns County, FL

Zip Code

32080

Predicted Screening Level

Unknown

Saint Augustine and the 32080 zip code are located in St Johns 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 Saint Augustine, FL

What EPA Radon Zone is Saint Augustine in?

Saint Augustine and the 32080 zip code are in St Johns 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 Saint Augustine?

Radon mitigation in Saint Augustine 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 Saint Augustine?

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