Edgewood, MD Radon Levels
Check local Edgewood radon levels and find certified testing and mitigation professionals to keep your home safe
Edgewood, MD Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Harford County, MD
Zip Code
21040
Found in northern Maryland's Harford County within the Baltimore metro area, Edgewood sits on Coastal Plain deposits transitioning to Piedmont geology inland. The community includes Aberdeen Proving Ground facilities alongside residential neighborhoods, featuring mid-century military housing and civilian developments with varied foundation types. Testing data for ZIP code 21040 remains limited, making individual radon testing particularly important for residents in this transitional geological zone.
Edgewood, MD 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 Edgewood, MD
What EPA Radon Zone is Edgewood in?
Edgewood and the 21040 zip code are in Harford 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 Edgewood?
Radon mitigation in Edgewood 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 Edgewood?
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 |