This Hillsborough County community in the Manchester Metro area serves zip code 03047, though comprehensive radon data remains limited. New Hampshire's granite bedrock and the area's mix of older homes with basement foundations create conditions where radon testing is essential. The state's generally elevated radon potential makes residential testing a priority.
Greenfield, NH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Greenfield, NH Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Greenfield Radon Facts
Key details about the radon risk profile for Greenfield and the 03047 zip code area.
EPA Radon Zone
Zone 2 — Moderate Risk
County
Hillsborough County, NH
Zip Code
03047
Predicted Screening Level
2–4 pCi/L (Zone 2)
Greenfield and the 03047 zip code are located in Hillsborough 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 Greenfield, NH
What EPA Radon Zone is Greenfield in?
Greenfield and the 03047 zip code are in Hillsborough 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 Greenfield?
Radon mitigation in Greenfield 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 Greenfield?
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.
