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Bristol, VT Radon Levels

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


Bristol, VT Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Addison County, VT
Zip Code 05443
Avg. User Level 7.00 pCi/L
User Tests 1

Located in Addison County within Vermont's Champlain Valley, Bristol sits on glacially-deposited soils over limestone bedrock that can contribute to radon accumulation. With an average radon reading of 7.0 pCi/L based on available data, levels in this zip code 05443 community exceed the EPA action threshold of 4.0 pCi/L. Homeowners in Bristol should prioritize radon testing, especially those with basements or crawl spaces where radon gas naturally accumulates.

7.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Bristol, VT Radon Mitigation

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

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Bristol, VT Radon Levels

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

Radon LevelCityHome AgeFoundation
7 pCi/L Bristol, VT 0-20 Years Full Basement

Have a radon test result for Bristol? Submit your reading to help other homeowners.

Radon FAQ for Bristol, VT

What is the average radon level in Bristol, VT?
Based on 1 user-submitted test, the average radon level in Bristol is 7.00 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 Bristol in?
Bristol and the 05443 zip code are in Addison 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 Bristol?
Radon mitigation in Bristol 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 Bristol?
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.

CityAvg User Radon LevelSubmissions
Stowe 13.00 pCi/L 2
Wilmington 8.50 pCi/L 2