Owings Mills, MD Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 10.00 pCi/L.

Q: What EPA Radon Zone is Owings Mills in?

Owings Mills is in Baltimore County, EPA Zone 1.

Q: How much does radon mitigation cost in Owings Mills?

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

Avg: 10.00 pCi/L

Baltimore County

EPA Zone 1

1 user test

Owings Mills is located in Baltimore County, Maryland. With 1 user-submitted readings averaging 10.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 21117 zip code.

10.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Owings Mills, MD Radon Mitigation

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

Owings Mills, MD Radon Testing

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

Owings Mills, Maryland Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
10 pCi/L	Owings Mills, MD	51-99 Years	No Basement/All Slab	May 2025

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

Owings Mills Radon Facts

Key details about the radon risk profile for Owings Mills and the 21117 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Baltimore County, MD

Zip Code

21117

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

10.00 pCi/L

User Tests Submitted

Owings Mills and the 21117 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 Owings Mills, MD

What is the average radon level in Owings Mills, MD?

Based on 1 user-submitted test, the average radon level in Owings Mills is 10.00 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 Owings Mills in?

Owings Mills and the 21117 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 Owings Mills?

Radon mitigation in Owings Mills 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 Owings Mills?

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