EPA Zone 1 (Highest Risk)☢️ Avg: 8.6 pCi/L

Radon Testing & Mitigation in Pittsburgh, Pennsylvania

Pennsylvania has the highest average radon levels of any state in the lower 48, and the Pittsburgh metro area is ground zero. The region's shale and limestone geology, combined with aging housing stock featuring deep basements, creates dangerous radon conditions in a majority of homes tested.

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Avg Radon Level

8.6 pCi/L

EPA action: 4.0 pCi/L

EPA Zone

Zone 1

Highest Risk

Metro Population

2.3 million

Service area

Avg Mitigation

$1,000 – $2,500

Installed cost

Avg Testing

$150 – $400

Professional test

Radon Facts for Pittsburgh, PA

1Pennsylvania averages 8.6 pCi/L — more than double the EPA action level
2Allegheny County and surrounding counties are all EPA Zone 1
3PA's Radon Certification Act requires licensed contractors for mitigation
4Pittsburgh's older homes with stone foundations and unfinished basements are especially vulnerable
5The PA DEP offers free radon test kits to residents in many counties

🏠 Pittsburgh Housing Stock

Predominantly older housing (pre-1970) with deep basements, stone foundations, and limited vapor barriers — prime conditions for radon entry

📋 Real Estate & Radon Disclosure

Pennsylvania requires sellers to disclose known radon hazards. Most real estate transactions in the Pittsburgh area include radon testing as a standard contingency.

Why Pittsburgh Homes Need Radon Testing

With average radon levels of 8.6 pCi/L in the Pittsburgh metro area — well above the EPA’s recommended action level of 4.0 pCi/L — professional radon testing isn’t optional, it’s essential.

Radon inspector testing a home in Pittsburgh

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Very High Local Levels

Pittsburgh’s average of 8.6 pCi/L means a significant percentage of homes exceed the EPA action level. The only way to know your home’s level is to test.

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Local Housing Factors

Pittsburgh’s housing stock — predominantly older housing (pre-1970) with deep basements, stone foundations, and limited vapor barriers — prime condit… — creates conditions where radon can enter and accumulate.

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Pennsylvania Disclosure Laws

Pennsylvania requires sellers to disclose known radon hazards. Most real estate transactions in the Pittsburgh area include radon testing as a standard continge… Proactive testing protects both buyers and sellers.

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Family Health Risk

Radon is the #2 cause of lung cancer in the US, responsible for 21,000 deaths annually. Long-term exposure in a high-radon area like Pittsburgh increases risk significantly.

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