Meridian, ID Radon Levels

Q: What EPA Radon Zone is Meridian in?

Meridian is in Ada County, EPA Zone 2.

Q: How much does radon mitigation cost in Meridian?

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

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

Meridian, ID Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Ada County, ID

Zip Code 83642

Thriving as a major suburb in Ada County's Boise Metro area, Meridian (zip code 83642) sits where Treasure Valley soils meet underlying basalt formations that can influence radon levels. While specific local testing data is limited, Idaho's geological diversity and the community's rapid residential growth make professional radon testing important for homeowners. The area's predominantly newer construction includes many homes with full basements where radon can potentially accumulate.

Meridian, ID Radon Mitigation

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

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Radon FAQ for Meridian, ID

What EPA Radon Zone is Meridian in?

Meridian and the 83642 zip code are in Ada County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Meridian?

Radon mitigation in Meridian 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 Meridian?

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.

Most Active Radon Markets in Idaho

Cities in Idaho with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Idaho Falls	7.29 pCi/L	7
Hailey	7.83 pCi/L	6
Post Falls	9.00 pCi/L	5
Coeur D Alene	9.00 pCi/L	4
Moscow	7.75 pCi/L	4
Victor	6.67 pCi/L	3
Driggs	16.00 pCi/L	2
Hayden	8.50 pCi/L	2
Pocatello	8.50 pCi/L	2
Eagle	6.00 pCi/L	1