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Hollywood, MD Radon Levels

Check local Hollywood radon levels and find certified testing and mitigation professionals to keep your home safe


Hollywood, MD Radon Facts

EPA Radon Zone Unknown Unknown
County St Mary's County, MD
Zip Code 20636
Avg. User Level 6.00 pCi/L
User Tests 1

Hollywood in St. Mary's County has recorded an elevated average radon level of 6.0 pCi/L, well above the EPA action threshold and requiring immediate mitigation consideration. Located within the Lexington Park Metro area, this community sits on Maryland's coastal plain where Miocene and Pliocene formations can trap radon gas in residential foundations. The area's mix of military housing and civilian developments in zip code 20636 underscores the importance of comprehensive radon testing.

6.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Hollywood, MD. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Hollywood, MD Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Hollywood, MD Radon Levels

User-submitted radon test readings from homes in the Hollywood area.

Radon LevelCityHome AgeFoundation
6 pCi/L Hollywood, MD 21-50 Years Full Basement

Have a radon test result for Hollywood? Submit your reading to help other homeowners.

Radon FAQ for Hollywood, MD

What is the average radon level in Hollywood, MD?
Based on 1 user-submitted test, the average radon level in Hollywood is 6.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Hollywood in?
Hollywood and the 20636 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 Hollywood?
Radon mitigation in Hollywood 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 Hollywood?
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.

CityAvg User Radon LevelSubmissions
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