Key Largo, FL Radon Levels
Check local Key Largo radon levels and find certified testing and mitigation professionals to keep your home safe
Key Largo, FL Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Monroe County, FL
Zip Code
33037
As the northernmost island in the Florida Keys chain, Key Largo in Monroe County sits on coral limestone formations that typically produce lower radon levels. The community features a mix of elevated homes and waterfront properties designed for the subtropical climate. Given the unique geology of the Keys and limited testing data for zip code 33037, homeowners should still consider radon testing to establish baseline readings.
Key Largo, FL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Key Largo?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Monroe County Pros
1-800-299-3578
Toll-free · Mon–Fri 8am–6pm ET
Radon FAQ for Key Largo, FL
What EPA Radon Zone is Key Largo in?
Key Largo and the 33037 zip code are in Monroe 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 Key Largo?
Radon mitigation in Key Largo 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 Key Largo?
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 in Florida with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Ocala | 8.06 pCi/L | 17 |
| Naples | 7.08 pCi/L | 12 |
| Gainesville | 7.09 pCi/L | 11 |
| Lakeland | 9.83 pCi/L | 6 |
| Alachua | 10.00 pCi/L | 5 |
| Bradenton | 4.80 pCi/L | 5 |
| Bonita Springs | 9.50 pCi/L | 4 |
| Cape Coral | 5.75 pCi/L | 4 |
| Miami | 5.25 pCi/L | 4 |
| North Port | 5.25 pCi/L | 4 |