Edisto Island, SC Radon Levels
Check local Edisto Island radon levels and find certified testing and mitigation professionals to keep your home safe
Edisto Island, SC Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Charleston County, SC
Zip Code
29438
This unique barrier island community in Charleston County sits within the Charleston Metro area's 29438 zip code, where coastal geology typically produces lower radon levels. Located in EPA Zone 3, the island's sandy soils and sea-level position generally reduce radon accumulation potential. While testing data remains limited, the coastal environment and predominantly elevated construction styles typically result in minimal radon concerns.
Edisto Island, SC Radon Mitigation
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Radon FAQ for Edisto Island, SC
What EPA Radon Zone is Edisto Island in?
Edisto Island and the 29438 zip code are in Charleston 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 Edisto Island?
Radon mitigation in Edisto Island 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 Edisto Island?
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 South Carolina
Cities in South Carolina with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Fort Mill | 6.00 pCi/L | 1 |
| Greenville | 5.00 pCi/L | 1 |