Airotox Radon Remediation Services
Verified Pro
17½+ years online5.0(181)
Radon Mitigation in Philadelphia, PA
Compare 23 radon mitigation contractors near you in Philadelphia and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
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Radon Mitigation in Philadelphia, PA
Philadelphia radon mitigation specialists in this directory cover Center City, Fishtown, Northern Liberties, Society Hill, and surrounding Philadelphia County. Pennsylvania falls in EPA Radon Zones 1, 2, and 3 — Philadelphia County is Zone 2-3 with documented elevated readings in some areas. Sub-slab depressurization on a typical Philadelphia row-house basement runs $1,800-$3,500 installed (premium for tight access).
PA DEP publishes county-by-county radon zone maps. Real-estate transactions in Philadelphia increasingly include radon testing. Tight Philadelphia row-house access adds labor.
Frequently Asked Questions
- Do most Philadelphia homes have radon?
- Some — Philadelphia County radon levels vary by neighbourhood. Test before assuming.
- How long does Philadelphia mitigation take?
- Sub-slab depressurization typically 1-2 days for tight row-houses.
- What about co-op/condo approval?
- Multi-family installs may require board approval.
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NeedInstall helps connect customers with local installation professionals across Philadelphia and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.