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Clayton, DE Radon Levels

Check local Clayton radon levels and find certified testing and mitigation professionals to keep your home safe


Clayton, DE Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Kent County, DE
Zip Code 19938
Avg. User Level 7.00 pCi/L
User Tests 1

Located in central Kent County within the Dover Metro area, Clayton has recorded an average radon level of 7.0 pCi/L based on limited testing data. This reading significantly exceeds the EPA action level of 4.0 pCi/L, indicating elevated radon risk in the area's EPA Zone 3 classification. Given this elevated reading in zip code 19938, all residents should prioritize radon testing and mitigation where necessary.

7.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Clayton, DE. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Clayton, DE Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Clayton, DE Radon Levels

User-submitted radon test readings from homes in the Clayton area.

Radon LevelCityHome AgeFoundation
7 pCi/L CLAYTON, DE 0-20 Years Full Basement

Have a radon test result for Clayton? Submit your reading to help other homeowners.

Radon FAQ for Clayton, DE

What is the average radon level in Clayton, DE?
Based on 1 user-submitted test, the average radon level in Clayton is 7.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Clayton in?
Clayton and the 19938 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 Clayton?
Radon mitigation in Clayton 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 Clayton?
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.

CityAvg User Radon LevelSubmissions
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