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Woburn, MA Radon Levels

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


Woburn, MA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Middlesex County, MA
Zip Code 01801
Avg. User Level 16.30 pCi/L
User Tests 3

Located in Middlesex County within the Boston Metro area, Woburn shows extremely elevated radon levels with an average of 19.0 pCi/L - nearly five times the EPA action threshold. The city's glacial deposits over granite bedrock in zip code 01801 create ideal conditions for radon gas production and accumulation. These concerning readings demand immediate attention from homeowners, with professional radon testing and mitigation strongly recommended throughout this community.

16.30
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Woburn, MA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Woburn, MA Radon Mitigation

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

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Woburn, MA Radon Levels

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

Radon LevelCityHome AgeFoundation
20 pCi/L Woburn, MA 51-99 Years Full Basement
18 pCi/L Woburn, MA 51-99 Years

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

Radon Readings Near Woburn, MA

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

CityDistanceAvg User LevelReadings
Winchester 2.2 mi 4.00 pCi/L 2
Burlington 2.8 mi 5.50 pCi/L 2
Stoneham 3.0 mi 9.67 pCi/L 3
Reading 4.0 mi 5.67 pCi/L 3
Lexington 4.0 mi 4.33 pCi/L 3
Arlington 4.5 mi 4.00 pCi/L 2
Wakefield 4.7 mi 4.00 pCi/L 1
Melrose 5.1 mi 5.00 pCi/L 3

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 Woburn, MA

What is the average radon level in Woburn, MA?
Based on 3 user-submitted tests, the average radon level in Woburn is 16.30 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 Woburn in?
Woburn and the 01801 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 Woburn?
Radon mitigation in Woburn 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 Woburn?
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.