Bethany Beach, DE Radon Mitigation and Testing

Q: What EPA Radon Zone is Bethany Beach in?

Bethany Beach is in Sussex County, EPA Zone 3.

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

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

Sussex County

EPA Zone 3

This coastal resort community in Sussex County features predominantly seasonal homes and newer year-round construction, many built on elevated foundations to accommodate the Atlantic coastal environment. Delaware's coastal plain geology typically produces lower radon levels, reflected in the EPA Zone 3 designation for zip code 19930. Testing data for this area is limited, so both seasonal and permanent residents should consider radon testing.

Bethany Beach, DE Radon Mitigation

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

Bethany Beach, DE Radon Testing

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

Bethany Beach Radon Facts

Key details about the radon risk profile for Bethany Beach and the 19930 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Sussex County, DE

Zip Code

19930

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Bethany Beach and the 19930 zip code are located in Sussex 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 Bethany Beach, DE

What EPA Radon Zone is Bethany Beach in?

Bethany Beach and the 19930 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 Bethany Beach?

Radon mitigation in Bethany 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 Bethany 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 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