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West Newton, MA Radon Levels

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


West Newton, MA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Middlesex County, MA
Zip Code 02465
Avg. User Level 4.00 pCi/L
User Tests 1

This affluent Middlesex County neighborhood within the Boston Metro area shows an average radon level of 4.0 pCi/L, exactly at the EPA action threshold. Built on glacial deposits over granite bedrock, West Newton's geology contributes to the area's radon potential, while its predominantly historic homes from the 1800s and early 1900s feature basement foundations where radon can accumulate. Homeowners in zip code 02465 should consider testing and monitoring, especially in older properties with stone foundations.

4.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

West Newton, MA Radon Mitigation

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

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West Newton, MA Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L West Newton, MA 0-20 Years Full Basement

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

Radon Readings Near West Newton, MA

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

CityDistanceAvg User LevelReadings
Newtonville 1.0 mi 3.00 pCi/L 1
Newton Center 2.4 mi 4.50 pCi/L 2
Waltham 2.6 mi 4.00 pCi/L 1
Wellesley Hills 3.6 mi 8.50 pCi/L 2
Needham Heights 3.8 mi 4.00 pCi/L 1
Needham 4.9 mi 6.00 pCi/L 1
Wellesley 5.3 mi 4.00 pCi/L 1
Arlington 5.7 mi 4.00 pCi/L 2

Middlesex County Radon Profile

The bedrock and soils beneath Middlesex County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 46 cities in Middlesex County average 7.28 pCi/L across 90 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Middlesex County.

Radon FAQ for West Newton, MA

What is the average radon level in West Newton, MA?
Based on 1 user-submitted test, the average radon level in West Newton 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 West Newton in?
West Newton and the 02465 zip code are in Middlesex County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in West Newton?
Radon mitigation in West Newton 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 West Newton?
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.