North Hero, VT Radon Levels

Q: What is the average radon level in North Hero, VT?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is North Hero in?

North Hero is in Grand Isle County, EPA Zone 3.

Q: How much does radon mitigation cost in North Hero?

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

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

North Hero, VT Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Grand Isle County, VT

Zip Code 05474

Avg. User Level 5.00 pCi/L

User Tests 1

Located on an island in Lake Champlain within Grand Isle County, North Hero recorded an average radon level of 5.0 pCi/L based on available testing data. This reading exceeds the EPA's 4.0 pCi/L action level, indicating elevated radon risk for zip code 05474 residents. Despite the unique island geography within the Burlington Metro area, the underlying geology still allows radon accumulation that requires professional mitigation attention.

5.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in North Hero, VT. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

North Hero, VT Radon Mitigation

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North Hero, VT Radon Levels

User-submitted radon test readings from homes in the North Hero area.

Radon Level	City	Home Age	Foundation
5 pCi/L	North Hero, VT	21-50 Years	Full Basement

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Radon FAQ for North Hero, VT

What is the average radon level in North Hero, VT?

Based on 1 user-submitted test, the average radon level in North Hero is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is North Hero in?

North Hero and the 05474 zip code are in Grand Isle County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in North Hero?

Radon mitigation in North Hero 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 North Hero?

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 Vermont

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

City	Avg User Radon Level	Submissions
Stowe	13.00 pCi/L	2
Wilmington	8.50 pCi/L	2

North Hero, VT Radon Levels

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

North Hero, VT Radon Facts

North Hero, VT Radon Mitigation

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North Hero, VT Radon Levels

Radon FAQ for North Hero, VT

Most Active Radon Markets in Vermont

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