Plymouth Meeting, PA Radon Levels

Q: What EPA Radon Zone is Plymouth Meeting in?

Plymouth Meeting is in Montgomery County, EPA Zone 1.

Q: How much does radon mitigation cost in Plymouth Meeting?

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

Check local Plymouth Meeting radon levels and find certified testing and mitigation professionals to keep your home safe

Plymouth Meeting, PA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Montgomery County, PA

Zip Code 19462

Plymouth Meeting sits in Montgomery County within the greater Philadelphia Metro area (zip code 19462). While comprehensive radon testing data for this community is currently limited, southeastern Pennsylvania's geological diversity can produce significant radon variations between neighborhoods. Regular testing helps residents understand their specific exposure risk in this densely developed suburban area.

8.41

pCi/L area average

Above EPA Action Level

Montgomery County average: 8.41 pCi/L, based on 17 user-submitted tests across 16 cities in the county. No homeowner readings have been submitted for Plymouth Meeting itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Plymouth Meeting, PA Radon Mitigation

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

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Radon Readings Near Plymouth Meeting, PA

No homeowner tests have been submitted for Plymouth Meeting yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
King Of Prussia	5.0 mi	7.00 pCi/L	1
Ambler	6.1 mi	4.00 pCi/L	1
Glenside	6.6 mi	7.00 pCi/L	1
Wyncote	6.9 mi	20.00 pCi/L	1
Bala Cynwyd	7.0 mi	1.00 pCi/L	1
Wayne	7.1 mi	5.00 pCi/L	1
Ardmore	7.4 mi	6.00 pCi/L	2
North Wales	7.6 mi	7.00 pCi/L	1

Montgomery County Radon Profile

Because of its underlying geology, Montgomery County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 16 cities in Montgomery County average 8.41 pCi/L across 17 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Montgomery County home regardless of zone or a neighbor's results.

Radon FAQ for Plymouth Meeting, PA

What EPA Radon Zone is Plymouth Meeting in?

Plymouth Meeting and the 19462 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.

Why are radon readings shown from areas near Plymouth Meeting?

No homeowner radon tests have been submitted for Plymouth Meeting yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Montgomery County average—are the best available indicator of local conditions until Plymouth Meeting homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Plymouth Meeting?

Radon mitigation in Plymouth Meeting 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 Plymouth Meeting?

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.