EPA Zone 1 (Highest Risk)☢️ Avg: 7.3 pCi/L

Radon Testing & Mitigation in Boise, Idaho

Idaho has the 8th highest average radon levels in the United States, and the booming Boise metro area is right in the thick of it. As one of the fastest-growing metros in America, thousands of new residents are discovering their Boise-area homes have elevated radon — often during the home-buying process.

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Avg Radon Level

7.3 pCi/L

EPA action: 4.0 pCi/L

EPA Zone

Zone 1

Highest Risk

Metro Population

800,000

Service area

Avg Mitigation

$1,000 – $2,000

Installed cost

Avg Testing

$125 – $300

Professional test

Radon Facts for Boise, ID

1Idaho averages 7.3 pCi/L — nearly double the EPA action level
2Ada County (Boise) is classified as EPA Zone 1
3Idaho's rapid population growth means constant new demand for radon testing
4Many new construction homes in Meridian, Eagle, and Nampa need post-build testing
5Idaho's volcanic and granitic geology is a significant radon source

🏠 Boise Housing Stock

Rapidly expanding new construction plus established neighborhoods — growth market with increasing radon awareness

📋 Real Estate & Radon Disclosure

Idaho requires property condition disclosure including known radon results. Boise's hot real estate market means radon testing is increasingly standard.

Why Boise Homes Need Radon Testing

With average radon levels of 7.3 pCi/L in the Boise metro area — well above the EPA’s recommended action level of 4.0 pCi/L — professional radon testing isn’t optional, it’s essential.

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Very High Local Levels

Boise’s average of 7.3 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

Boise’s housing stock — rapidly expanding new construction plus established neighborhoods — growth market with increasing radon awareness… — creates conditions where radon can enter and accumulate.

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Idaho Disclosure Laws

Idaho requires property condition disclosure including known radon results. Boise's hot real estate market means radon testing is increasingly standard.… 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 Boise increases risk significantly.

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