Millis, MA Radon Mitigation and Testing

Q: What EPA Radon Zone is Millis in?

Millis is in Norfolk County, EPA Zone 2.

Q: How much does radon mitigation cost in Millis?

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

Southwest of Boston in Norfolk County, Millis sits within the Boston Metro region where glacial till deposits over granite bedrock contribute to moderate radon potential across southeastern Massachusetts. The community features predominantly mid-20th century residential development with many properties having full basements typical of New England construction. Since comprehensive radon testing data isn't available for zip code 02054, residents should conduct testing to establish their individual risk profiles.

Millis, MA Radon Mitigation

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

Millis, MA Radon Testing

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

Millis Radon Facts

Key details about the radon risk profile for Millis and the 02054 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Norfolk County, MA

Zip Code

02054

Predicted Screening Level

2–4 pCi/L (Zone 2)

Millis and the 02054 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 Millis, MA

What EPA Radon Zone is Millis in?

Millis and the 02054 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 Millis?

Radon mitigation in Millis 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 Millis?

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