Essex, MD Radon Levels
Check local Essex radon levels and find certified testing and mitigation professionals to keep your home safe
Essex, MD Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Baltimore County, MD
Zip Code
21221
Located in Baltimore County within the Baltimore Metro region, Essex features mid-20th century suburban development on Maryland's Coastal Plain geology. Testing data for zip code 21221 is currently limited, though the area's residential neighborhoods with basement homes warrant radon testing consideration. The community's location near the Chesapeake Bay influences local soil conditions, but underlying geological formations can still contribute to indoor radon accumulation.
Essex, MD Radon Mitigation
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Radon FAQ for Essex, MD
What EPA Radon Zone is Essex in?
Essex and the 21221 zip code are in Baltimore County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Essex?
Radon mitigation in Essex 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 Essex?
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 Maryland
Cities in Maryland with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Frederick | 8.29 pCi/L | 7 |
| Potomac | 9.00 pCi/L | 6 |
| Hagerstown | 8.67 pCi/L | 6 |
| Westminster | 14.50 pCi/L | 4 |
| Baltimore | 7.00 pCi/L | 4 |
| Annapolis | 4.25 pCi/L | 4 |
| Upper Marlboro | 15.00 pCi/L | 3 |
| Edgewater | 12.67 pCi/L | 3 |
| Bowie | 9.00 pCi/L | 3 |
| Frostburg | 8.67 pCi/L | 3 |