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RadonProsCertified Directory
Aerial neighborhood view in Pennsylvania

Radon Pros in Pennsylvania

34 contractors

EPA zone context: Eastern and central Pennsylvania are heavily Zone 1. The Reading Prong runs through the Lehigh Valley, which has some of the highest radon levels in the entire United States.

FR

Festa Radon Technologies

4.8 (23 Google reviews)

Identity Verified
Full Service•Cranberry Twp, PA
MitigationTestingCrawlspaceFan RepairNew Construction+3

Festa Radon Technologies is a dedicated radon services company serving Cranberry Twp, PA. Established in 1996. Services include radon testing, radon mitigation system installation. Works with crawlspaces. Methods include heat recovery ventilation. Rated 4.8/5 on Google based on 23 reviews.

View Profile(724) 772-9060
SI

Saenz Inspection Services

5.0 (3 Google reviews)

Certified Professional

Licensed Provider: Mary Ann Saenz

Testing Specialist•Downingtown, PA
TestingCommercial
Certified RMP

Saenz Inspection Services is a dedicated radon services company serving Downingtown, PA. Established in 2014. Services include radon testing, radon measurement. Holds Certified Radon Measurement Professional certification. Rated 5.0/5 on Google based on 3 reviews. Offers real estate transaction testing.

View Profile6109605895
MI

Mangus Inspections

4.0 (8 Google reviews)

Certified Professional

Licensed Provider: Benjamin E. Mangus

Testing Specialist•Meadville, PA
TestingPost-Test
Certified RMP

Mangus Inspections is a home inspection company with radon testing capabilities serving Meadville, PA. Services include radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 4.0/5 on Google based on 8 reviews. Offers real estate transaction testing.

View Profile8147203053
Data provided by Google Maps

State Info

Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.

Radon mitigation cost in PennsylvaniaRadon testing cost in Pennsylvania

Popular Cities for Radon Mitigation in Pennsylvania

Radon mitigation in Philadelphia, Pennsylvania5 local contractors listedRadon mitigation in Cranberry Twp, Pennsylvania2 local contractors listedRadon mitigation in Glenside, Pennsylvania2 local contractors listedRadon mitigation in Lansdale, Pennsylvania2 local contractors listedRadon mitigation in Pittsburgh, Pennsylvania2 local contractors listedRadon mitigation in Aliquippa, Pennsylvania1 local contractors listedRadon mitigation in Aspers, Pennsylvania1 local contractors listedRadon mitigation in Blue Bell, Pennsylvania1 local contractors listedRadon mitigation in Camp Hill, Pennsylvania1 local contractors listedRadon mitigation in Carnegie, Pennsylvania1 local contractors listedRadon mitigation in Chester Springs, Pennsylvania1 local contractors listedRadon mitigation in Downingtown, Pennsylvania1 local contractors listedRadon mitigation in Edwardsville, Pennsylvania1 local contractors listedRadon mitigation in Ephrata, Pennsylvania1 local contractors listedRadon mitigation in Honesdale, Pennsylvania1 local contractors listedRadon mitigation in Jefferson Hills, Pennsylvania1 local contractors listedRadon mitigation in Lebanon, Pennsylvania1 local contractors listedRadon mitigation in Meadville, Pennsylvania1 local contractors listedRadon mitigation in New Kensington, Pennsylvania1 local contractors listedRadon mitigation in Newtown, Pennsylvania1 local contractors listedRadon mitigation in Norristown, Pennsylvania1 local contractors listedRadon mitigation in Phoenixville, Pennsylvania1 local contractors listedRadon mitigation in Pine Grove, Pennsylvania1 local contractors listedRadon mitigation in Pipersville, Pennsylvania1 local contractors listed

FAQ: Radon Mitigation in Pennsylvania

Why is PA radon so bad?

The Reading Prong — a uranium-rich geological formation — runs through eastern PA. Combined with the region's shale and limestone geology, it produces extremely high radon levels.

Does PA require radon testing for home sales?

Not mandated, but PA law requires real estate professionals to provide radon information to buyers. In practice, testing is nearly universal in eastern PA transactions.

What area of PA has the highest radon?

The Lehigh Valley (Lehigh and Northampton counties), followed by Berks, Chester, Montgomery, and Bucks counties.

How much does radon mitigation cost in Pennsylvania?

Most homeowners in Pennsylvania see mitigation quotes in the low-thousands, but the final cost depends on foundation type, fan location, and pipe routing complexity. A cost calculator can help you benchmark estimates before requesting bids.

Do I need radon testing in Pennsylvania before hiring a contractor?

Yes. A valid short-term or long-term test is the fastest way to confirm if mitigation is needed and to scope the right system design.

What radon level is dangerous in Pennsylvania?

EPA recommends action at 4.0 pCi/L, and many homeowners choose to reduce levels even below that threshold. Eastern and central Pennsylvania are heavily Zone 1. The Reading Prong runs through the Lehigh Valley, which has some of the highest radon levels in the entire United States. ZIP-level lookup tools are useful for local context, but home testing is still required.

State Resources for Pennsylvania

Radon mitigation cost in Pennsylvania

Estimate likely project pricing by foundation type and system complexity.

Radon testing guide for Pennsylvania homes

Learn when and how to test, plus how to interpret pCi/L results.

Radon levels and EPA zones in Pennsylvania

See how state-level risk varies and what zone maps can and cannot tell you.

ZIP-level radon risk in Pennsylvania

Check projected local risk by ZIP code before you request quotes.