Haverhill, NH Radon Mitigation and Testing

Q: What EPA Radon Zone is Haverhill in?

Haverhill is in Grafton County, EPA Zone 2.

Q: How much does radon mitigation cost in Haverhill?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Grafton County

EPA Zone 2

Nestled in Grafton County within New Hampshire's Connecticut River Valley, Haverhill occupies terrain where granitic bedrock and glacial soils can contribute to variable radon conditions throughout the region. Testing data for this rural community in zip code 03765 remains limited, making it essential for local homeowners to conduct independent radon measurements. Given New Hampshire's geological makeup and the prevalence of basement foundations in older New England homes, professional testing is strongly recommended to determine actual radon levels in individual properties.

Haverhill, NH Radon Mitigation

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

Haverhill, NH Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Haverhill Radon Facts

Key details about the radon risk profile for Haverhill and the 03765 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Grafton County, NH

Zip Code

03765

Predicted Screening Level

2–4 pCi/L (Zone 2)

Haverhill and the 03765 zip code are located in Grafton 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 Haverhill, NH

What EPA Radon Zone is Haverhill in?

Haverhill and the 03765 zip code are in Grafton 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 Haverhill?

Radon mitigation in Haverhill 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 Haverhill?

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.

City	Avg User Radon Level	Submissions
Tamworth	12.67 pCi/L	6
Freedom	10.75 pCi/L	4