Positioned in remote Coos County near the Maine border, Errol sits within New Hampshire's North Country on glacial deposits over granite bedrock formations known for elevated radon potential. The town's housing includes seasonal cabins and year-round homes, many featuring basements carved into the rocky terrain. With no recent testing data available for zip code 03579, residents should prioritize radon testing given the region's granite geology and potential for elevated readings.
Errol, NH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Errol, NH Radon Testing
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Errol Radon Facts
Key details about the radon risk profile for Errol and the 03579 zip code area.
EPA Radon Zone
Zone 2 — Moderate Risk
County
Coos County, NH
Zip Code
03579
Predicted Screening Level
2–4 pCi/L (Zone 2)
Errol and the 03579 zip code are located in Coos County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Errol, NH
What EPA Radon Zone is Errol in?
Errol and the 03579 zip code are in Coos 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 Errol?
Radon mitigation in Errol 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 Errol?
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 New Hampshire
Cities with the most user-submitted radon test data in the state.
