Charlestown, RI Radon Levels
Check local Charlestown radon levels and find certified testing and mitigation professionals to keep your home safe
Charlestown, RI Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Washington County, RI
Zip Code
02813
Nestled in Washington County along Rhode Island's southern coastal region, Charlestown benefits from marine influences and sandy coastal plain soils that generally moderate radon levels. Testing information for the 02813 zip code remains limited, encouraging residents to conduct independent radon assessments. The area's seasonal cottage communities and year-round homes, many built on crawl spaces or slabs due to coastal conditions, may have different radon accumulation patterns than inland properties.
Charlestown, RI Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Charlestown, RI
What EPA Radon Zone is Charlestown in?
Charlestown and the 02813 zip code are in Washington County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Charlestown?
Radon mitigation in Charlestown 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 Charlestown?
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 Rhode Island
Cities in Rhode Island with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Providence | 11.00 pCi/L | 2 |
| Westerly | 8.00 pCi/L | 2 |
| Portsmouth | 4.50 pCi/L | 2 |