North Weymouth, MA Radon Levels

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

Based on 2 user-submitted tests, the average radon level is 10.00 pCi/L.

Q: What EPA Radon Zone is North Weymouth in?

North Weymouth is in Norfolk County, EPA Zone 2.

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

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

Check local North Weymouth radon levels and find certified testing and mitigation professionals to keep your home safe

North Weymouth, MA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Norfolk County, MA

Zip Code 02191

Avg. User Level 10.00 pCi/L

User Tests 2

Located in Boston Metro's Norfolk County, North Weymouth sits on glacial deposits over granite bedrock, geological conditions that can contribute to radon accumulation in Massachusetts homes. Testing data for zip code 02191 remains limited, making professional radon measurement essential for residents seeking to understand their individual exposure risk. The area's dense suburban development, predominantly featuring basement-equipped homes built in the mid-20th century, requires specific testing to determine radon entry and accumulation patterns.

10.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in North Weymouth, MA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

North Weymouth, MA Radon Mitigation

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

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Radon Readings Near North Weymouth, MA

No homeowner tests have been submitted for North Weymouth yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Weymouth	2.5 mi	15.00 pCi/L	2
East Weymouth	2.6 mi	4.50 pCi/L	2
Hingham	3.2 mi	7.00 pCi/L	2
Braintree	3.6 mi	9.00 pCi/L	1
Quincy	3.7 mi	10.50 pCi/L	2
Milton	6.7 mi	7.00 pCi/L	1
Cohasset	6.9 mi	11.50 pCi/L	2
Norwell	8.7 mi	20.00 pCi/L	1

Norfolk County Radon Profile

The soils and bedrock of Norfolk County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 17 cities in Norfolk County average 8.08 pCi/L across 25 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Norfolk County to test, as levels can differ between neighboring homes.

Radon FAQ for North Weymouth, MA

What is the average radon level in North Weymouth, MA?

Based on 2 user-submitted tests, the average radon level in North Weymouth is 10.00 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 North Weymouth in?

North Weymouth and the 02191 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 North Weymouth?

Radon mitigation in North 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 North 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.