Rehoboth Beach, DE Radon Levels

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

Based on 2 user-submitted tests, the average radon level is 5.50 pCi/L.

Q: What EPA Radon Zone is Rehoboth Beach in?

Rehoboth Beach is in Sussex County, EPA Zone 3.

Q: How much does radon mitigation cost in Rehoboth Beach?

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

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

Rehoboth Beach, DE Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Sussex County, DE

Zip Code 19971

Avg. User Level 5.50 pCi/L

User Tests 2

Delaware's popular coastal resort community in Sussex County has measured an average radon level of 5.5 pCi/L, which exceeds the EPA action threshold. Despite its beachfront location, the area's underlying geological formations contribute to elevated radon concentrations that affect both year-round residences and vacation properties in zip code 19971. Homeowners should prioritize testing and mitigation, particularly in homes with basements or enclosed crawl spaces where radon can accumulate.

5.50

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Rehoboth Beach, DE. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Rehoboth Beach, DE Radon Mitigation

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Rehoboth Beach, DE Radon Levels

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

Radon Level	City	Home Age	Foundation
5 pCi/L	Rehoboth Beach, DE	0-20 Years	Full Basement
6 pCi/L	Rehoboth Beach, DE	0-20 Years	Full Basement

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Radon FAQ for Rehoboth Beach, DE

What is the average radon level in Rehoboth Beach, DE?

Based on 2 user-submitted tests, the average radon level in Rehoboth Beach is 5.50 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 Rehoboth Beach in?

Rehoboth Beach and the 19971 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 Rehoboth Beach?

Radon mitigation in Rehoboth Beach 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 Rehoboth Beach?

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

Rehoboth Beach, DE Radon Levels

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

Rehoboth Beach, DE Radon Facts

Rehoboth Beach, DE Radon Mitigation

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Rehoboth Beach, DE Radon Levels

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Most Active Radon Markets in Delaware

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