Towson, MD Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 6.00 pCi/L.

Q: What EPA Radon Zone is Towson in?

Towson is in Baltimore County, EPA Zone 1.

Q: How much does radon mitigation cost in Towson?

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

Avg: 6.00 pCi/L

Baltimore County

EPA Zone 1

1 user test

Towson, the county seat of Baltimore County, shows an average radon level of 6.0 pCi/L based on available testing data, which exceeds the EPA action threshold of 4.0 pCi/L. This Baltimore Metro suburb sits atop the Piedmont geological province, where granite and gneiss bedrock can produce elevated radon levels in homes with basements. Homeowners in zip codes 21204 and 21286 should prioritize radon testing and mitigation given these elevated readings.

6.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Towson, MD Radon Mitigation

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

Towson, MD Radon Testing

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

Towson, Maryland Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Towson, MD	51-99 Years	Full Basement	Dec 2017

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

Towson Radon Facts

Key details about the radon risk profile for Towson and the 21204 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Baltimore County, MD

Zip Code

21204

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

6.00 pCi/L

User Tests Submitted

Towson and the 21204 zip code are located in Baltimore 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 Towson, MD

What is the average radon level in Towson, MD?

Based on 1 user-submitted test, the average radon level in Towson 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 Towson in?

Towson and the 21204 zip code are in Baltimore 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 Towson?

Radon mitigation in Towson 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 Towson?

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