Middletown, DE Radon Levels

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

Based on 7 user-submitted tests, the average radon level is 7.40 pCi/L.

Q: What EPA Radon Zone is Middletown in?

Middletown is in New Castle County, EPA Zone 2.

Q: How much does radon mitigation cost in Middletown?

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

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

Middletown, DE Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County New Castle County, DE

Zip Code 19709

Avg. User Level 7.40 pCi/L

User Tests 7

This Philadelphia Metro community in New Castle County shows concerning radon levels, with an average of 7.43 pCi/L based on seven tests, well above the EPA's 4.0 pCi/L action threshold. Located in EPA Zone 2, the area's Piedmont geology and growing suburban development create conditions where radon can accumulate. Residents in zip code 19709 should prioritize radon testing and consider mitigation given these elevated readings.

7.40

pCi/L average

Above EPA Action Level

Based on 7 user-submitted radon tests for homes in Middletown, DE. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Middletown, DE Radon Mitigation

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

Need Radon Mitigation or Testing in Middletown?

100% Free, No-Obligation Quotes
Matches You with State-Licensed New Castle County Pros

1-800-299-3578 302-304-3113 (local) Toll-free · Mon–Fri 8am–6pm ET

Middletown, DE Radon Levels

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

Radon Level	City	Home Age	Foundation
7 pCi/L	Middletown, DE	0-20 Years	Full Basement
6 pCi/L	Middletown, DE	0-20 Years	Full Basement
9 pCi/L	Middletown, DE	0-20 Years	Partial Basement
5 pCi/L	Middletown, DE	0-20 Years	Full Basement
13 pCi/L	Middletown, DE	0-20 Years	Full Basement

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

Radon FAQ for Middletown, DE

What is the average radon level in Middletown, DE?

Based on 7 user-submitted tests, the average radon level in Middletown is 7.40 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 Middletown in?

Middletown and the 19709 zip code are in New Castle County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Middletown?

Radon mitigation in Middletown 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 Middletown?

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

Middletown, DE Radon Levels

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

Middletown, DE Radon Facts

Middletown, DE Radon Mitigation

Need Radon Mitigation or Testing in Middletown?

Middletown, DE Radon Levels

Radon FAQ for Middletown, DE

Most Active Radon Markets in Delaware

Free Radon Mitigation Quote

Free Radon Mitigation Quote