Marydel, DE Radon Levels
Check local Marydel radon levels and find certified testing and mitigation professionals to keep your home safe
Marydel, DE Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Kent County, DE
Zip Code
19964
Positioned in Kent County within Delaware's Dover Metro area, Marydel sits on Coastal Plain sediments that typically produce lower radon levels statewide. Testing data for this 19964 zip code community is currently limited, though Delaware's geological conditions generally result in minimal radon concerns. The area's mix of older and newer homes on various foundation types still warrants occasional testing for complete peace of mind.
Marydel, 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 Marydel, DE
What EPA Radon Zone is Marydel in?
Marydel and the 19964 zip code are in Kent 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 Marydel?
Radon mitigation in Marydel 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 Marydel?
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 |