Ridge, MD Radon Levels
Check local Ridge radon levels and find certified testing and mitigation professionals to keep your home safe
Ridge, MD Radon Facts
EPA Radon Zone
Unknown
Unknown
County
St Mary's County, MD
Zip Code
20680
Located in St. Mary's County within the Lexington Park Metro area, Ridge sits on Maryland's Coastal Plain sediments where radon levels typically remain moderate to low. Testing data for zip code 20680 is currently limited, though the area's sandy soils and predominantly slab-on-grade construction generally correlate with lower radon risk. Individual testing provides the most accurate assessment for specific properties.
Ridge, 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 Ridge, MD
What EPA Radon Zone is Ridge in?
Ridge and the 20680 zip code are in St Mary's County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.
How much does radon mitigation cost in Ridge?
Radon mitigation in Ridge 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 Ridge?
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 |