Pasadena, MD Radon Mitigation and Testing

Q: What EPA Radon Zone is Pasadena in?

Pasadena is in Anne Arundel County, EPA Zone 2.

Q: How much does radon mitigation cost in Pasadena?

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

Located in Anne Arundel County along the Chesapeake Bay region, this community sits on coastal plain sediments that typically produce lower radon levels. Testing data for the 21122 area remains limited, making individual home testing essential for Baltimore Metro residents. The area's mix of waterfront properties and suburban developments, many built on slab-on-grade foundations, still warrants radon awareness given Maryland's variable geology.

Pasadena, MD Radon Mitigation

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

Pasadena, MD Radon Testing

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

Pasadena Radon Facts

Key details about the radon risk profile for Pasadena and the 21122 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Anne Arundel County, MD

Zip Code

21122

Predicted Screening Level

2–4 pCi/L (Zone 2)

Pasadena and the 21122 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 Pasadena, MD

What EPA Radon Zone is Pasadena in?

Pasadena and the 21122 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 Pasadena?

Radon mitigation in Pasadena 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 Pasadena?

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