Yorklyn, DE Radon Mitigation and Testing

Q: What EPA Radon Zone is Yorklyn in?

Yorklyn is in New Castle County, EPA Zone 2.

Q: How much does radon mitigation cost in Yorklyn?

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

New Castle County

EPA Zone 2

This historic mill community in northern New Castle County sits along Brandywine Creek, where Piedmont crystalline bedrock underlies glacial deposits from ancient ice sheets. Testing data for zip code 19736 within the Philadelphia Metro area is currently limited, but the geological setting suggests moderate radon potential. Homeowners should consider professional radon testing, particularly in the area's older stone and brick homes with basement construction.

Yorklyn, DE Radon Mitigation

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

Yorklyn, DE Radon Testing

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

Yorklyn Radon Facts

Key details about the radon risk profile for Yorklyn and the 19736 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

New Castle County, DE

Zip Code

19736

Predicted Screening Level

2–4 pCi/L (Zone 2)

Yorklyn and the 19736 zip code are located in New Castle County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Yorklyn, DE

What EPA Radon Zone is Yorklyn in?

Yorklyn and the 19736 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 Yorklyn?

Radon mitigation in Yorklyn 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 Yorklyn?

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