Bethesda, MD Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 12.00 pCi/L.

Q: What EPA Radon Zone is Bethesda in?

Bethesda is in Montgomery County, EPA Zone 1.

Q: How much does radon mitigation cost in Bethesda?

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

Avg: 12.00 pCi/L

Montgomery County

EPA Zone 1

1 user test

Bethesda is located in Montgomery County, Maryland. With 1 user-submitted readings averaging 12.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 20814 zip code.

12.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Bethesda, MD Radon Mitigation

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

Bethesda, MD Radon Testing

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

Bethesda, Maryland Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
12 pCi/L	Bethesda, MD	51-99 Years	Full Basement	Feb 2020

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

Bethesda Radon Facts

Key details about the radon risk profile for Bethesda and the 20814 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Montgomery County, MD

Zip Code

20814

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

12.00 pCi/L

User Tests Submitted

Bethesda and the 20814 zip code are located in Montgomery County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Bethesda, MD

What is the average radon level in Bethesda, MD?

Based on 1 user-submitted test, the average radon level in Bethesda is 12.00 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 Bethesda in?

Bethesda and the 20814 zip code are in Montgomery 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 Bethesda?

Radon mitigation in Bethesda 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 Bethesda?

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