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Weymouth, MA Radon Levels

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


Weymouth, MA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Norfolk County, MA
Zip Code 02188
Avg. User Level 15.00 pCi/L
User Tests 2

This Boston Metro coastal community in Norfolk County shows an average radon level of 8.5 pCi/L, more than double the EPA action threshold. Despite Weymouth's coastal location, the area's glacial till deposits and older housing stock with basements can trap significant radon levels. Residents throughout zip code 02188 should prioritize testing and mitigation, as readings have ranged from 4.0 to 15.0 pCi/L in recent assessments.

15.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Weymouth, MA Radon Mitigation

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Weymouth, MA Radon Levels

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

Radon LevelCityHome AgeFoundation
10 pCi/L Weymouth, MA 21-50 Years Full Basement
5 pCi/L weymouth, MA 51-99 Years Full Basement
15 pCi/L Weymouth , MA 0-20 Years Full Basement
4 pCi/L Weymouth, MA 21-50 Years Full Basement

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

Radon Readings Near Weymouth, MA

Compare radon levels in Weymouth with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
East Weymouth 1.9 mi 4.50 pCi/L 2
Braintree 2.0 mi 9.00 pCi/L 1
North Weymouth 2.5 mi 10.00 pCi/L 2
Hingham 3.6 mi 7.00 pCi/L 2
Quincy 4.7 mi 10.50 pCi/L 2
Abington 6.5 mi 4.00 pCi/L 1
Milton 6.8 mi 7.00 pCi/L 1
Cohasset 7.7 mi 11.50 pCi/L 2

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 Weymouth, MA

What is the average radon level in Weymouth, MA?
Based on 2 user-submitted tests, the average radon level in Weymouth is 15.00 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 Weymouth in?
Weymouth and the 02188 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 Weymouth?
Radon mitigation in 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 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.