Fenwick Island, DE Radon Levels
Check local Fenwick Island radon levels and find certified testing and mitigation professionals to keep your home safe
Fenwick Island, DE Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Sussex County, DE
Zip Code
19944
Coastal Fenwick Island in Sussex County sits on barrier island sands where radon levels are typically lower than Delaware's inland areas. However, testing data remains limited for this beach community, and seasonal occupancy patterns may affect radon accumulation. Homeowners should consider testing, especially in year-round residences with enclosed crawl spaces or lower-level living areas common in coastal construction.
Fenwick Island, DE 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 Fenwick Island, DE
What EPA Radon Zone is Fenwick Island in?
Fenwick Island and the 19944 zip code are in Sussex 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 Fenwick Island?
Radon mitigation in Fenwick 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 Fenwick 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 Delaware
Cities in Delaware with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Middletown | 7.43 pCi/L | 7 |
| Wilmington | 5.50 pCi/L | 4 |
| Lewes | 6.00 pCi/L | 1 |
| New Castle | 4.00 pCi/L | 1 |
| Newark | No submissions | 0 |