Yorklyn, DE Radon Levels
Check local Yorklyn radon levels and find certified testing and mitigation professionals to keep your home safe
Yorklyn, DE Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
New Castle County, DE
Zip Code
19736
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.
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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 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 |