Patuxent River, MD Radon Levels
Check local Patuxent River radon levels and find certified testing and mitigation professionals to keep your home safe
Patuxent River, MD Radon Facts
EPA Radon Zone
Unknown
Unknown
County
St Mary's County, MD
Zip Code
20670
Located in St Mary's County within the Lexington Park metro area, Patuxent River (zip code 20670) currently has limited radon testing data available. The area's Coastal Plain geology of marine sediments and sandy soils generally produces lower radon potential, though individual homes can still experience elevated levels. Testing remains important for homeowners to verify their indoor air quality conditions.
Patuxent River, 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 Patuxent River, MD
What EPA Radon Zone is Patuxent River in?
Patuxent River and the 20670 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 Patuxent River?
Radon mitigation in Patuxent River 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 Patuxent River?
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 |