Rexburg, ID Radon Levels

Q: What EPA Radon Zone is Rexburg in?

Rexburg is in Madison County, EPA Zone 2.

Q: How much does radon mitigation cost in Rexburg?

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

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

Rexburg, ID Radon Facts

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

County Madison County, ID

Zip Code 83440

Located in Madison County in eastern Idaho's Snake River Plain, Rexburg sits atop volcanic soils and basalt formations that can affect radon gas movement. Testing data for this college town (83440) remains limited, though the area's geology warrants attention from homeowners. Individual property testing is recommended to determine actual radon levels, as volcanic soils can create variable conditions for radon accumulation.

Rexburg, 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 Rexburg, ID

What EPA Radon Zone is Rexburg in?

Rexburg and the 83440 zip code are in Madison 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 Rexburg?

Radon mitigation in Rexburg 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 Rexburg?

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