Frederick, PA Radon Mitigation and Testing

Q: What EPA Radon Zone is Frederick in?

Frederick is in Montgomery County, EPA Zone 1.

Q: How much does radon mitigation cost in Frederick?

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

Montgomery County

EPA Zone 1

This Montgomery County community within the Philadelphia Metro area sits atop complex crystalline bedrock that can produce variable radon conditions throughout the region. Frederick's location in zip code 19435 places it in an area where geological formations create potential for elevated indoor radon levels. Given the limited local testing data, residents should conduct comprehensive radon testing, particularly in homes with basements typical of southeastern Pennsylvania construction.

Frederick, PA Radon Mitigation

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

Frederick, PA Radon Testing

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

Frederick Radon Facts

Key details about the radon risk profile for Frederick and the 19435 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Montgomery County, PA

Zip Code

19435

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Frederick and the 19435 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 Frederick, PA

What EPA Radon Zone is Frederick in?

Frederick and the 19435 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 Frederick?

Radon mitigation in Frederick 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 Frederick?

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 Pennsylvania

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
State College	10.00 pCi/L	14
Chambersburg	10.14 pCi/L	7
Easton	12.33 pCi/L	6
Butler	12.40 pCi/L	5
Dingmans Ferry	5.80 pCi/L	5
Hanover	14.00 pCi/L	4
Mechanicsburg	13.75 pCi/L	4
Greenville	10.75 pCi/L	4
Pittsburgh	9.25 pCi/L	4
Albrightsville	9.00 pCi/L	4
Philadelphia	8.00 pCi/L	4
Lackawaxen	15.33 pCi/L	3
York	11.67 pCi/L	3
Elizabethtown	9.67 pCi/L	3
Johnstown	7.33 pCi/L	3
West Chester	6.67 pCi/L	3
Danville	5.67 pCi/L	3
Springfield	5.67 pCi/L	3
East Stroudsburg	5.00 pCi/L	3
Langhorne	4.67 pCi/L	3