Londonderry, VT Radon Levels
Check local Londonderry radon levels and find certified testing and mitigation professionals to keep your home safe
Londonderry, VT Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Windham County, VT
Zip Code
05148
Nestled in Vermont's Green Mountains within Windham County, Londonderry sits on metamorphic bedrock and glacial deposits that can influence radon production. Testing data for this 05148 mountain community remains limited, making individual home assessment crucial for residents. The area's ski-country housing mix and mountainous geology create diverse conditions that can affect radon levels unpredictably.
Londonderry, VT 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 Londonderry, VT
What EPA Radon Zone is Londonderry in?
Londonderry and the 05148 zip code are in Windham 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 Londonderry?
Radon mitigation in Londonderry 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 Londonderry?
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 |