Norfolk, MA Radon Mitigation and Testing

Q: What is the average radon level in Norfolk, MA?

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Norfolk in?

Norfolk is in Norfolk County, EPA Zone 2.

Q: How much does radon mitigation cost in Norfolk?

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

Avg: 4.00 pCi/L

Norfolk County

EPA Zone 2

1 user test

Located in Norfolk County southwest of Boston, this suburban community shows an average radon level of 4.0 pCi/L based on limited testing data. While this reading sits right at the EPA action threshold, individual homes in zip code 02056 may vary significantly due to local soil conditions and construction differences. The area's mix of colonial-era homes and modern developments reflects the broader Boston Metro housing landscape.

4.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Norfolk, MA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Norfolk, MA Radon Mitigation

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

Norfolk, MA Radon Testing

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

Norfolk, Massachusetts Radon Levels

User-submitted radon test readings from homes in the Norfolk area.

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Norfolk, MA	100+ Years	Full Basement	Aug 2016

Have a radon test result for Norfolk? Submit your reading to help other homeowners.

Norfolk Radon Facts

Key details about the radon risk profile for Norfolk and the 02056 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Norfolk County, MA

Zip Code

02056

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Norfolk and the 02056 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 Norfolk, MA

What is the average radon level in Norfolk, MA?

Based on 1 user-submitted test, the average radon level in Norfolk is 4.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Norfolk in?

Norfolk and the 02056 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 Norfolk?

Radon mitigation in Norfolk 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 Norfolk?

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