Dedham, MA Radon Mitigation and Testing

Q: What EPA Radon Zone is Dedham in?

Dedham is in Norfolk County, EPA Zone 2.

Q: How much does radon mitigation cost in Dedham?

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

Norfolk County

EPA Zone 2

Located in Norfolk County within the Boston Metro area, Dedham sits in EPA Zone 2 with moderate radon potential from New England's glacial soils and granite bedrock. The community's diverse housing stock spans colonial-era homes to modern suburban developments, with many featuring basements where radon can accumulate. Without specific testing data available for zip code 02026, residents should consider radon testing as part of routine home safety maintenance.

Dedham, MA Radon Mitigation

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

Dedham, MA Radon Testing

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

Dedham Radon Facts

Key details about the radon risk profile for Dedham and the 02026 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Norfolk County, MA

Zip Code

02026

Predicted Screening Level

2–4 pCi/L (Zone 2)

Dedham and the 02026 zip code are located in Norfolk 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 Dedham, MA

What EPA Radon Zone is Dedham in?

Dedham and the 02026 zip code are in Norfolk 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 Dedham?

Radon mitigation in Dedham 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 Dedham?

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 Massachusetts

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Littleton	9.40 pCi/L	5
Gloucester	8.40 pCi/L	5
Florence	7.40 pCi/L	5
Douglas	12.00 pCi/L	4
Weymouth	8.50 pCi/L	4
Mashpee	5.00 pCi/L	4
Natick	5.00 pCi/L	4
Worcester	17.67 pCi/L	3
Attleboro	10.00 pCi/L	3
Stoneham	9.67 pCi/L	3
Hopkinton	9.33 pCi/L	3
Medford	8.00 pCi/L	3
Boxford	6.67 pCi/L	3
Reading	5.67 pCi/L	3
Haverhill	5.00 pCi/L	3
Melrose	5.00 pCi/L	3
Somerville	4.33 pCi/L	3
Woburn	19.00 pCi/L	2
Marlborough	13.50 pCi/L	2
Cohasset	11.50 pCi/L	2