Located in Rockingham County within the Boston Metro area, Derry occupies EPA Zone 2 territory where New Hampshire's glacial till over granite bedrock creates moderate conditions for radon gas production. Testing data for zip code 03038 is currently limited, though the geological characteristics warrant careful attention. The community's mix of colonial-era homes and modern developments across varying soil types makes professional radon testing essential.
Derry, NH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Derry, NH Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Derry Radon Facts
Key details about the radon risk profile for Derry and the 03038 zip code area.
EPA Radon Zone
Zone 2 — Moderate Risk
County
Rockingham County, NH
Zip Code
03038
Predicted Screening Level
2–4 pCi/L (Zone 2)
Derry and the 03038 zip code are located in Rockingham 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 Derry, NH
What EPA Radon Zone is Derry in?
Derry and the 03038 zip code are in Rockingham 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 Derry?
Radon mitigation in Derry 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 Derry?
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.
