Brooklyn, MD Radon Mitigation and Testing

Q: What EPA Radon Zone is Brooklyn in?

Brooklyn is in Anne Arundel County, EPA Zone 2.

Q: How much does radon mitigation cost in Brooklyn?

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

Anne Arundel County

EPA Zone 2

Situated in Anne Arundel County within the Baltimore Metro area, Brooklyn sits over Coastal Plain sediments that typically produce moderate radon levels. The community's urban character in zip code 21225 includes a mix of row houses and older residential buildings, many with basements where radon can accumulate if present. While comprehensive local testing data remains limited, residents should conduct professional radon testing to establish baseline readings and ensure safe indoor air quality.

Brooklyn, MD Radon Mitigation

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

Brooklyn, MD Radon Testing

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

Brooklyn Radon Facts

Key details about the radon risk profile for Brooklyn and the 21225 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Anne Arundel County, MD

Zip Code

21225

Predicted Screening Level

2–4 pCi/L (Zone 2)

Brooklyn and the 21225 zip code are located in Anne Arundel County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Brooklyn, MD

What EPA Radon Zone is Brooklyn in?

Brooklyn and the 21225 zip code are in Anne Arundel County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Brooklyn?

Radon mitigation in Brooklyn 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 Brooklyn?

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