South Weymouth, MA Radon Mitigation and Testing

Q: What EPA Radon Zone is South Weymouth in?

South Weymouth is in Norfolk County, EPA Zone 2.

Q: How much does radon mitigation cost in South Weymouth?

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, South Weymouth features a mix of post-war suburban homes and newer developments, many with full basements. With radon testing data limited for zip code 02190, homeowners should prioritize testing to establish their individual exposure levels.

South Weymouth, MA Radon Mitigation

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

South Weymouth, MA Radon Testing

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

South Weymouth Radon Facts

Key details about the radon risk profile for South Weymouth and the 02190 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Norfolk County, MA

Zip Code

02190

Predicted Screening Level

2–4 pCi/L (Zone 2)

South Weymouth and the 02190 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 South Weymouth, MA

What EPA Radon Zone is South Weymouth in?

South Weymouth and the 02190 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 South Weymouth?

Radon mitigation in South Weymouth 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 South Weymouth?

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