Clayton, DE Radon Mitigation and Testing

Q: What is the average radon level in Clayton, DE?

Based on 1 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is Clayton in?

Clayton is in Kent County, EPA Zone 3.

Q: How much does radon mitigation cost in Clayton?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 7.00 pCi/L

Kent County

EPA Zone 3

1 user test

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.

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.

Clayton, DE Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Clayton, Delaware Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	CLAYTON, DE	0-20 Years	Full Basement	May 2016

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

Clayton Radon Facts

Key details about the radon risk profile for Clayton and the 19938 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Kent County, DE

Zip Code

19938

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

7.00 pCi/L

User Tests Submitted

Clayton and the 19938 zip code are located in Kent County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 with the most user-submitted radon test data in the state.

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