Riverdale, MD Radon Mitigation and Testing

Q: What is the average radon level in Riverdale, MD?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Riverdale in?

Riverdale is in Prince George's County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Riverdale?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 5.00 pCi/L

Prince George's County

EPA Zone Unknown

1 user test

Situated in Prince George's County within the Washington Metro area, Riverdale shows an average radon level of 5.0 pCi/L from recent testing, exceeding the EPA's recommended action level of 4.0 pCi/L. The community features a mix of mid-century suburban homes and townhouse developments, many with partial basements typical of the greater Washington region. Given this elevated reading from zip code 20737, local homeowners should consider radon testing and potential mitigation measures.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Riverdale, MD Radon Mitigation

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

Riverdale, MD Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Riverdale, Maryland Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Riverdale, MD	21-50 Years	Full Basement	Mar 2023

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

Riverdale Radon Facts

Key details about the radon risk profile for Riverdale and the 20737 zip code area.

EPA Radon Zone

Unknown

County

Prince George's County, MD

Zip Code

20737

Predicted Screening Level

Unknown

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Riverdale and the 20737 zip code are located in Prince George's County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Riverdale, MD

What is the average radon level in Riverdale, MD?

Based on 1 user-submitted test, the average radon level in Riverdale is 5.00 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 Riverdale in?

Riverdale and the 20737 zip code are in Prince George'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 Riverdale?

Radon mitigation in Riverdale 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 Riverdale?

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 with the most user-submitted radon test data in the state.

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
Clarksburg	8.00 pCi/L	3
Gambrills	6.00 pCi/L	3
Elkton	5.33 pCi/L	3
Silver Spring	4.33 pCi/L	3
Chesapeake Beach	14.00 pCi/L	2
Cumberland	9.00 pCi/L	2
Frostburg	9.00 pCi/L	2
Owings	5.50 pCi/L	2
Huntingtown	4.50 pCi/L	2
Mc Henry	20.00 pCi/L	1
Mount Airy	20.00 pCi/L	1